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  • Articles  (51)
  • adaptation  (26)
  • representation  (23)
  • Animals
  • Chemical Engineering
  • Electronic structure and strongly correlated systems
  • temperature
  • Springer  (51)
  • Philosophy  (32)
  • Geography  (19)
  • 1
    Electronic Resource
    Electronic Resource
    Weakly Associative Relation Algebras with Polyadic Composition Operations (2000)
    Springer
    Studia logica 66 (2000), S. 297-323 
    Details
    ISSN: 1572-8730
    Keywords: algebraic logic ; relation algebras ; relativization ; representation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Philosophy
    Notes: Abstract In this paper we introduced various classes of weakly associative relation algebras with polyadic composition operations. Among them is the class RWA∞ of representable weakly associative relation algebras with polyadic composition operations. Algebras of this class are relativized representable relation algebras augmented with an infinite set of operations of increasing arity which are generalizations of the binary relative composition. We show that RWA∞ is a canonical variety whose equational theory is decidable.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1005204532371
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  • 2
    Electronic Resource
    Electronic Resource
    Developing support structures for ethnic minorities in Slovakia (2000)
    Springer
    GeoJournal 50 (2000), S. 127-131 
    Details
    ISSN: 1572-9893
    Keywords: ethnic minorities ; exclusion ; institutions ; NGOs ; representation ; Slovakia ; support structures ; transition
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geography
    Notes: Abstract Ethnic minorities are facing increasing problems of social exclusion in Central and Eastern Europe. The complex nature of the transition from socialism means that the institutional framework to support them is still being established. Whilst non-governmental organisations (NGOs) have a crucial role to play in promoting a more inclusive society, through improving access to local democratic structures for otherwise excluded groups and acting as fora for improved community participation throughout the region, their development remains fraught with problems. Examination of the experiences of one such organisation, ETNO Agentura based in northern Slovakia, provides an insight into the problems and opportunities arising as community representatives work together to provide social support for ethnic minorities. The paper outlines key issues arising from the case of ETNO Agentura, including difficulty in gaining access to supporting finance and securing long term financial viability, the lack of institutional capacity of local authorities to become receptive to their views, and implicit socio-cultural barriers to ethnic minority representation in community participation processes. Developing a fuller understanding of these problems and the measures required to overcome them is a central part of establishing a more effective role for NGOs within post socialist societies.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1007143903283
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  • 3
    Electronic Resource
    Electronic Resource
    Why not Artificial Consciousness or Thought? (1999)
    Springer
    Minds and machines 9 (1999), S. 3-28 
    Details
    ISSN: 1572-8641
    Keywords: physical symbols ; formal programs ; neural networks ; designation ; interpretation ; representation ; semantics ; intensional meaning ; extensional meaning ; causal capacities ; emergence ; levels
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science , Philosophy
    Notes: Abstract The purpose of this article is to show why consciousness and thought are not manifested in digital computers. Analyzing the rationale for claiming that the formal manipulation of physical symbols in Turing machines would emulate human thought, the article attempts to show why this proved false. This is because the reinterpretation of ‘designation’ and ‘meaning’ to accommodate physical symbol manipulation eliminated their crucial functions in human discourse. Words have denotations and intensional meanings because the brain transforms the physical stimuli received from the microworld into a qualitative, macroscopic representation for consciousness. Lacking this capacity as programmed machines, computers have no representations for their symbols to designate and mean. Unlike human beings in which consciousness and thought, with their inherent content, have emerged because of their organic natures, serial processing computers or parallel distributed processing systems, as programmed electrical machines, lack these causal capacities.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1008374714117
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  • 4
    Electronic Resource
    Electronic Resource
    Representation Operators and Computation (1999)
    Springer
    Minds and machines 9 (1999), S. 223-240 
    Details
    ISSN: 1572-8641
    Keywords: representation ; redescription ; recoding
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science , Philosophy
    Notes: Abstract This paper analyses the impact of representation and search operators on Computational Complexity. A model of computation is introduced based on a directed graph, and representation and search are defined to be the vertices and edges of this graph respectively. Changing either the representation or the search algorithm leads to different possible complexity classes. The final section explores the role of representation in reducing time complexity in Artificial Intelligence.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1008312316286
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  • 5
    Electronic Resource
    Electronic Resource
    Preadaptation and the Explanation of Human Evolution (1999)
    Springer
    Biology and philosophy 14 (1999), S. 65-82 
    Details
    ISSN: 1572-8404
    Keywords: adaptation ; explanation ; evolution ; preadaptation ; specialization
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Philosophy
    Notes: Abstract The concept of preadaptation, though useful, continues to trouble evolutionary scientists. Usually, it is treated as if it were really adaptation, prompting such diverse theorists as Gould and Vrba, and Dennett to suggest its removal from evolutionary theory altogether. In this paper, I argue that the as-if sense is ill-founded, and that the sense of preadaptation as a process may be defended as unequivocal and generally useful in evolutionary explanations, even in such problem areas as human evolution.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1006539827648
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  • 6
    Electronic Resource
    Electronic Resource
    Evolutionary Psychology: The Burdens of Proof (1999)
    Springer
    Biology and philosophy 14 (1999), S. 211-233 
    Details
    ISSN: 1572-8404
    Keywords: adaptation ; evolutionary psychology ; reasoning
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Philosophy
    Notes: Abstract I discuss two types of evidential problems with the most widely touted experiments in evolutionary psychology, those performed by Leda Cosmides and interpreted by Cosmides and John Tooby. First, and despite Cosmides and Tooby's claims to the contrary, these experiments don't fulfil the standards of evidence of evolutionary biology. Second Cosmides and Tooby claim to have performed a crucial experiment, and to have eliminated rival approaches. Though they claim that their results are consistent with their theory but contradictory to the leading non-evolutionary alternative, Pragmatic Reasoning Schemas theory, I argue that this claim is unsupported. In addition, some of Cosmides and Tooby's interpretations arise from misguided and simplistic understandings of evolutionary biology. While I endorse the incorporation of evolutionary approaches into psychology, I reject the claims of Cosmides and Tooby that a modular approach is the only one supported by evolutionary biology. Lewontin's critical examinations of the applications of adaptationist thinking provide a background of evidentiary standards against which to view the currently fashionable claims of evolutionary psychology.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1006638501739
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  • 7
    Electronic Resource
    Electronic Resource
    An evaluation of adaptation options for climate change impacts on agriculture in Kazakhstan (1999)
    Springer
    Mitigation and adaptation strategies for global change 4 (1999), S. 25-41 
    Details
    ISSN: 1573-1596
    Keywords: adaptation ; agriculture ; climate change ; Kazakhstan
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geography
    Notes: Abstract Agriculture in Kazakhstan is sensitive to climate, and wheat yields could be reduced up to 70% under climate change. With the transition from a socialist economy to a free market economy, decisions are being made now that will affect Kazakhstan's ability to cope with climate change. A team of Kazakh and American researchers examined the cost-effectiveness and barriers to implementations of adaptation options for climate change. Twelve adaptation options that increase flexibility to respond to climate change were identified using a screening matrix. Four options, forecasting pest outbreaks, developing regional centers for preserving genetic diversity of seeds, supporting a transition to a free market, and reducing soil erosion through the use of changed farming practices, were examined. The Adaptation Decision Matrix (ADM) was then applied to estimate benefits using expert judgment (using an arbitrary numerical scale, not monetary values) and benefits estimates were compared to costs to determine cost-effectiveness. The ADM uses subjective measures of how well adaptation options meet policy objectives. Controlling soil erosion was estimated to have the highest benefits, but the high costs of implementation appears to make it relatively cost-ineffective. Supporting a transition to a free market was ranked as the most cost-effective measure, with regional centers second. However, use of different scales to quantify benefits or different weights can result in regional centers being more cost-effective than the transition to a free market. Regional centers was also judged to have fewer barriers to implementation than a transition to a free market. These results will be incorporated in Kazakhstan's National Action Plan. The ADM and other tools are relatively easy to apply, but are quite subjective and difficult to evaluate. The tools can be quite useful by decision makers to analyze advantages and disadvantages between different adaptation options, but should be supplemented with additional, particularly quantitative analysis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1009626526883
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  • 8
    Electronic Resource
    Electronic Resource
    Scale, context, and decision making in agricultural adaptation to climate variability and change (1999)
    Springer
    Mitigation and adaptation strategies for global change 4 (1999), S. 137-165 
    Details
    ISSN: 1573-1596
    Keywords: adaptation ; agriculture ; climate change ; decision-making ; variability
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geography
    Notes: Abstract This work presents a framework for viewing agricultural adaptation, emphasizing the multiple spatial and temporal scales on which individuals and institutions process information on changes in their environment. The framework is offered as a means to gain perspective on the role of climate variability and change in agricultural adaptation, and developed for a case study of Australian agriculture. To study adaptation issues at the scale of individual farms we developed a simple modelling framework. The model highlights the decision making element of adaptation in light of uncertainty, and underscores the importance of decision information related to climate variability. Model results show that the assumption of perfect information for farmers systematically overpredicts adaptive performance. The results also suggest that farmers who make tactical planting decisions on the basis of historical climate information are outperformed by those who use even moderately successful seasonal forecast information. Analysis at continental scales highlights the prominent role of the decline in economic operating conditions on Australian agriculture. Examples from segments of the agricultural industry in Australia are given to illustrate the importance of appropriate scale attribution in adapting to environmental changes. In particular, adaptations oriented toward short time scale changes in the farming environment (droughts, market fluctuations) can be limited in their efficacy by constraints imposed by broad changes in the soil/water base and economic environment occuring over longer time scales. The case study also makes the point that adaptation must be defined in reference to some goal, which is ultimately a social and political exercise. Overall, this study highlights the importance of allowing more complexity (limited information, risk aversion, cross-scale interactions, mis-attribution of cause and effect, background context, identification of goals) in representing adaptation processes in climate change studies.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1009636607038
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  • 9
    Electronic Resource
    Electronic Resource
    The Science of Adaptation: A Framework for Assessment (1999)
    Springer
    Mitigation and adaptation strategies for global change 4 (1999), S. 199-213 
    Details
    ISSN: 1573-1596
    Keywords: adaptation ; climate change ; impact assessment ; response options ; vulnerability
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geography
    Notes: Abstract This paper outlines what is meant by "adaptation" to climate change, and how it might be addressed in the IPCC Assessments. Two roles of adaptation in the climate change field are identified: adaptation as part of impact assessment (where the key question is: what adaptations are likely?), and adaptation as part of the policy response (where the central question is: what adaptations are recommended?). The concept of adaptation has been adopted in several fields including climate impact assessment and policy development, risk management, and natural hazards research. A framework for systematically defining adaptations is based on three questions: (i) adaptation to what? (ii) who or what adapts? and (iii) how does adaptation occur? The paper demonstrates that, for adaptation purposes, climate extremes and variability are integral parts of climate change, along with shifts in mean conditions. Attributes for differentiating adaptations include purposefulness, timing, temporal and spatial scope, effects, form and performance. The framework provides a guide for the treatment of adaptation in the IPCC assessments, both in the assessment of impacts and in the evaluation of adaptive policy options.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1009652531101
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  • 10
    Electronic Resource
    Electronic Resource
    A Framework and Key Questions for Adapting to Climate Variability and Change (1999)
    Springer
    Mitigation and adaptation strategies for global change 4 (1999), S. 215-225 
    Details
    ISSN: 1573-1596
    Keywords: climate ; adaptation ; impacts
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geography
    Notes: Abstract There is a critical need to collectively understand, to develop adaptation options to enhance the benefits, and to reduce the social and economic vulnerabilities induced by climate variability and change. This paper uses key questions to help build a framework for adaptation by first organizing the questions into adaptation science, management and option components, including their respective sub-categories. The process of adaptation depends on many factors, including who or what adapts, what they adapt to, how they adapt and what and how resources are used. This conceptual model is designed to organize concepts regarding adaptation, to help stimulate ideas, and to explore the linkages among parts of the adaptation cycle. Predictive models need to be developed to determine the outcomes of planned adaptation strategies. For the best and most realistic evaluation of climate problems, adaptation and impacts should be considered together. This joint approach improves the assessment of the significance and dangers of the current and future climate, as well as the determination of solutions (e.g., how to prepare for a changing climate) and their priorities. Challenges of adaptive management are discussed in terms of a framework with linkages to adaptation science and options. Adaptation research and applications work continue to build on the foundation of science and management frameworks to address the risks and uncertainties in the decision-making process and to identify adaptation options.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1009660700150
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  • 11
    Electronic Resource
    Electronic Resource
    Data Requirements for Developing Adaptations to Climate Variability and Change (1999)
    Springer
    Mitigation and adaptation strategies for global change 4 (1999), S. 227-237 
    Details
    ISSN: 1573-1596
    Keywords: adaptation ; climate change ; climate variability ; data ; climate applications ; El Niño ; UNFCCC
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geography
    Notes: Abstract An extensive foundation of high quality data and information on the climate and on the biological, environmental and social systems affected by climate is required in order to understand the climate impact processes involved, to develop new adaptation practices, and to subsequently implement these practices. Experience of the impacts of current and past variability of climate and sea level is a prime source of information. Many practices are in use to reduce climate impacts, for example in engineering design, agricultural risk management and climate prediction services, though their roles as adaptations to climate change are not widely appreciated. While there are good data sets on some factors and in some regions, in many cases the databases are inadequate and there are few data sets on adaptation-specific quantities such as vulnerability, resilience and adaptation effectiveness. Current international action under the United Nations Framework Convention on Climate Change (UNFCCC) pays little attention to adaptation and its information requirements. Furthermore there are trends toward reduced data gathering and to restrictions on access to data sets, especially arising from cost and commercialisation pressures. To effectively respond to the changes in climate that are now inevitable, governments will need to more clearly identify adaptation as a central feature of climate change policy and make a renewed shared commitment to collecting and freely exchanging the necessary data.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1009668902876
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  • 12
    Electronic Resource
    Electronic Resource
    Coastal Adaptation to Climate Change: Can the IPCC Technical Guidelines be applied? (1999)
    Springer
    Mitigation and adaptation strategies for global change 4 (1999), S. 239-252 
    Details
    ISSN: 1573-1596
    Keywords: climate change ; coastal zones ; adaptation ; vulnerability ; IPCC Technical Guidelines
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geography
    Notes: Abstract This paper evaluates the IPCC Technical Guidelines for Assessing Climate Change Impacts and Adaptations with respect to the guidance offered for coastal-adaptation assessment. It appears that the IPCC Technical Guidelines focus strongly on implementation. This paper uses both conceptual and empirical information is used in this paper to show that coastal adaptation embraces more than selecting one of the "technical" options to respond to sea-level rise (retreat, accommodate or protect). Coastal adaptation is a more complex and iterative process with a series of policy cycles. To be effective, an expanded adapta-tion framework involving four steps is suggested, including (i) information collection and awareness raising; (ii) planning and design; (iii) implementation; and (iv) monitoring and evaluation. The incom-plete coverage of these four steps in existing coastal-adaptation assessments constrains the development of adaptation strategies that are supported by the relevant actors and integrated into existing management. Researchers and policy-makers are recommended to work together to establish a framework for adaptation that is integrated within current coastal management processes and practices and takes a broader view on the subject.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1009681207419
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  • 13
    Electronic Resource
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    Risk and Uncertainties, Analysis and Evaluation: Lessons for Adaptation and Integration (1999)
    Springer
    Mitigation and adaptation strategies for global change 4 (1999), S. 319-329 
    Details
    ISSN: 1573-1596
    Keywords: uncertainty ; risk ; adaptation ; extreme events ; (credible) information ; integrated assessment
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geography
    Notes: Abstract This paper draws ten lessons from analyses of adaptation to climate change under conditions of risk and uncertainty: (1) Socio-economic systems will likely respond most to extreme realizations of climate change. (2) Systems have been responding to variations in climate for centuries. (3) Future change will effect future citizens and their institutions. (4) Human systems can be the sources of surprise. (5) Perceptions of risk depend upon welfare valuations that depend upon expectations. (6) Adaptive decisions will be made in response to climate change and climate change policy. (7) Analysis of adaptive decisions should recognize the second-best context of those decisions. (8) Climate change offers opportunity as well as risk. (9) All plausible futures should be explored. (10) Multiple methodological approaches should be accommodated. These lessons support two pieces of advice for the Third Assessment Report: (1) Work toward consensus, but not at the expense of thorough examination and reporting of the "tails" of the distributions of the future. (2) Integrated assessment is only one unifying methodology; others that can better accommodate those tails should be encouraged and embraced.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1009619806936
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  • 14
    Electronic Resource
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    A Framework for Benefit-Cost Analysis of Adaptation to Climate Change and Climate Variability (1999)
    Springer
    Mitigation and adaptation strategies for global change 4 (1999), S. 307-318 
    Details
    ISSN: 1573-1596
    Keywords: adaptation ; climatic change ; economic welfare ; costs and benefits
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geography
    Notes: Abstract The potential damages of climate change and climate variability are dependent upon the responses or adaptations that people make to their changing environment. By adapting the management of resources, the mix and methods of producing goods and services, choices of leisure activities, and other behavior, people can lessen the damages that would otherwise result. A framework for assessing the benefits and costs of adaptation to both climate change and climate variability is described in the paper. The framework is also suitable for evaluating the economic welfare effects of climate change, allowing for autonomous adaptation by private agents. The paper also briefly addresses complications introduced by uncertainty regarding the benefits of adaptation and irreversibility of investments in adaptation. When investment costs are irreversible and there is uncertainty about benefits, the usual net present value criterion for evaluating the investment gives the wrong decision. If delaying an adaptation project is possible, and if delay will permit learning about future benefits of adaptation, it may be preferable to delay the project even if the expected net present value is positive. Implications of this result for adaptation policy are discussed in the paper.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1009667706027
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  • 15
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    Electronic Resource
    Adaptation to the Impacts of Sea Level Rise in Egypt (1999)
    Springer
    Mitigation and adaptation strategies for global change 4 (1999), S. 343-361 
    Details
    ISSN: 1573-1596
    Keywords: adaptation ; climate change ; socioeconomic impacts ; Egypt
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geography
    Notes: Abstract Assessment of the vulnerability and expected socioeconomic losses over the Nile delta coast due to the impact of sea level rise is carried out in details. Impacts of sea level rise over the Governorates of Alexandria and Port Said in particular, are evaluated quantitatively. Analysis of the results at Alexandria Governorate indicate that, if no action is taken, an area of about 30% of the city will be lost due to inundation. Almost 2 million people will have to abandon their homeland; 195,000 jobs will be lost and an economic loss of over $3.5 Billion is expected over the next century. At Port Said Governorate results indicate that beach areas are most severely affected (hence tourism), followed by urban areas. The agriculture sector is the least affected sector. It is estimated that the economic loss is over $ 2.0 Billion for 0.50 m SLR and may exceed $ 4.4 Billion for 1.25 m SLR. Options and costs of adaptation are analyzed and presented. Multi-criteria and decision matrix approaches, based on questionnaire surveys are carried out to identify priorities for the two cases. Analysis of these techniques of two options; the current policy (hard protection measures on some vulnerable areas) and no action (stopping these activities) have the lowest scores. Beach nourishment and integrated coastal zone management (ICZM) have the highest scores, however ICZM has high cost measures. The most cost-effective option is the land-use change, however with relatively very high cost measure. It is recommended that an ICZM approach be adopted since it provides a reasonable trade off between costs and cost effectiveness.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1009684210570
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  • 16
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    Explicitness With Psychological Ground (1998)
    Springer
    Minds and machines 8 (1998), S. 353-374 
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    ISSN: 1572-8641
    Keywords: connectionism ; explicit ; implicit ; process ; representation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science , Philosophy
    Notes: Abstract Explicitness has usually been approached from two points of view, labelled by Kirsh the structural and the process view, that hold opposite assumptions to determine when information is explicit. In this paper, we offer an intermediate view that retains intuitions from both of them. We establish three conditions for explicit information that preserve a structural requirement, and a notion of explicitness as a continuous dimension. A problem with the former accounts was their disconnection with psychological work on the issue. We review studies by Karmiloff-Smith, and Shanks and St. John to show that the proposed conditions have psychological grounds. Finally, we examine the problem of explicit rules in connectionist systems in the light of our framework.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1008275132559
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  • 17
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    The Evolution of Theoretically Useful Traits (1998)
    Springer
    Biology and philosophy 13 (1998), S. 529-540 
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    ISSN: 1572-8404
    Keywords: adaptation ; optimization ; fitness ; functional ; historical ; evolutionary explanation ; Wright ; Millikan
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Philosophy
    Notes: Abstract The purely theoretical notion of fitness or optimality that is employed for instance in optimization theory has come under attack from those who think that only a more historically based notion of fitness could have a central role in evolutionary explanation. They argue that the key notion is proven usefulness rather than theoretical usefulness. This paper articulates a notion of theoretical usefulness and defends its role in functional evolutionary explanations.
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    URL: http://dx.doi.org/10.1023/A:1006523004188
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  • 18
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    The Tragedy of a priori Selectionism: Dennett and Gould on Adaptationism (1998)
    Springer
    Biology and philosophy 13 (1998), S. 359-391 
    Details
    ISSN: 1572-8404
    Keywords: adaptation ; algorithm ; atavism ; contingency ; deep homology ; Dennett ; development ; disparity ; epicurean selectionism ; evolution ; exaptation ; Gould ; metaphors ; punctuated equilibrium ; selectionism ; spandrels
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Philosophy
    Notes: Abstract In his recent book on Darwinism, Daniel Dennett has offered up a species of a priori selectionism that he calls algorithmic. He used this view to challenge a number of positions advocated by Stephen J. Gould. I examine his algorithmic conception, review his unqualified enthusiasm for the a priori selectionist position, challenge Dennett's main metaphors (cranes vs. skyhooks and a design space), examine ways in which his position has lead him to misunderstand or misrepresent Gould (spandrels, exaptation, punctuated equilibrium, contingency and disparity), and discuss recent results in developmental biology that suggest that an a priori position does not fill the demands of an evolutionary biology. I conclude by insisting that evolutionary biology is many leveled, complicated, and is carried on an ever shifting and expanding empirical base that when disregarded results in caricature.
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    URL: http://dx.doi.org/10.1023/A:1006508719300
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  • 19
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    Russian human geography in the 'wonderland' of globalization (1998)
    Springer
    GeoJournal 45 (1998), S. 77-83 
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    ISSN: 1572-9893
    Keywords: globalization ; national tradition ; Russian human geography inertia ; adaptation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geography
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1006845428890
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  • 20
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    Computation and Dynamical Models of Mind (1997)
    Springer
    Minds and machines 7 (1997), S. 531-541 
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    ISSN: 1572-8641
    Keywords: Dynamical systems theory ; computation ; motivational oscillatory theory ; representation ; Turing machine ; van Gelder ; Watt governor
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science , Philosophy
    Notes: Abstract Van Gelder (1995) has recently spearheaded a movement to challenge the dominance of connectionist and classicist models in cognitive science. The dynamical conception of cognition is van Gelder's replacement for the computation bound paradigms provided by connectionism and classicism. He relies on the Watt governor to fulfill the role of a dynamicist Turing machine and claims that the Motivational Oscillatory Theory (MOT) provides a sound empirical basis for dynamicism. In other words, the Watt governor is to be the theoretical exemplar of the class of systems necessary for cognition and MOT is an empirical instantiation of that class. However, I shall argue that neither the Watt governor nor MOT successfully fulfill these prescribed roles. This failure, along with van Gelder's peculiar use of the concept of computation and his struggle with representationalism, prevent him from providing a convincing alternative to current cognitive theories.
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    URL: http://dx.doi.org/10.1023/A:1008296514437
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  • 21
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    Brave Mobots Use Representation: Emergence of Representation in Fight-or-Flight Learning (1997)
    Springer
    Minds and machines 7 (1997), S. 475-494 
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    ISSN: 1572-8641
    Keywords: Emergence ; learning ; representation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science , Philosophy
    Notes: Abstract The paper uses ideas from Machine Learning, Artificial Intelligence and Genetic Algorithms to provide a model of the development of a ‘fight-or-flight’ response in a simulated agent. The modelled development process involves (simulated) processes of evolution, learning and representation development. The main value of the model is that it provides an illustration of how simple learning processes may lead to the formation of structures which can be given a representational interpretation. It also shows how these may form the infrastructure for closely-coupled agent/environment interaction.
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    URL: http://dx.doi.org/10.1023/A:1008206631439
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  • 22
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    Adapting to Climate Change in Africa (1997)
    Springer
    Mitigation and adaptation strategies for global change 2 (1997), S. 19-44 
    Details
    ISSN: 1573-1596
    Keywords: adaptation ; Africa ; agriculture ; climate change ; vulnerability ; water
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geography
    Notes: Abstract The intersection of present vulnerability and the prospect of climate change in Africa warrants proactive action now to reduce the risk of large-scale, adverse impacts. The process of planning adaptive strategies requires a systematic evaluation of priorities and constraints, and the involvement of stakeholders. An overview of climate change in Africa and case studies of impacts for agriculture and water underlie discussion of a typology of adaptive responses that may be most effective for different stakeholders. The most effective strategies are likely to be to reduce present vulnerability and to enhance a broad spectrum of capacity in responding to environmental, resource and economic perturbations. In some cases, such as design of water systems, an added risk factor should be considered.
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    URL: http://dx.doi.org/10.1023/B:MITI.0000004663.31074.64
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    Adapting to climate change in Africa (1997)
    Springer
    Mitigation and adaptation strategies for global change 2 (1997), S. 19-44 
    Details
    ISSN: 1573-1596
    Keywords: adaptation ; Africa ; agriculture ; climate change ; vulnerability ; water
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geography
    Notes: Abstract The intersection of present vulnerability and the prospect of climate change in Africa warrants proactive action now to reduce the risk of large-scale, adverse impacts. The process of planning adaptive strategies requires a systematic evaluation of priorities and constraints, and the involvement of stakeholders. An overview of climate change in Africa and case studies of impacts for agriculture and water underlie discussion of a typology of adaptive responses that may be most effective for different stakeholders. The most effective strategies are likely to be to reduce present vulnerability and to enhance a broad spectrum of capacity in responding to environmental, resource and economic perturbations. In some cases, such as design of water systems, an added risk factor should be considered.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02437055
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    “Just-so” stories about “inner cognitive Africa”: some doubts about Sorensen's evolutionary epistemology of thought experiments (1997)
    Springer
    Biology and philosophy 12 (1997), S. 207-224 
    Details
    ISSN: 1572-8404
    Keywords: evolution ; epistemology ; evolutionary epistemology ; naturalized epistemology ; thought experiments ; modality ; utility ; fitness ; adaptation ; reliability ; possible worlds
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Philosophy
    Notes: Abstract Roy Sorensen advances an evolutionary explanation of our capacity for thought experiments which doubles as a naturalized epistemological justification. I argue Sorensen”s explanation fails to satisfy key elements of environmental-selectionist explanations and so fails to carry epistemic force. I then argue that even if Sorensen succeeds in showing the adaptive utility of our capacity, he still fails to establish its reliability and hence epistemic utility. I conclude Sorensen”s account comes to little more than a “just-so story”.
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    URL: http://dx.doi.org/10.1023/A:1017986908266
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    Impact of Climate Change on Maize Yield in Central and Northern Greece: A Simulation Study with Ceres-Maize (1997)
    Springer
    Mitigation and adaptation strategies for global change 1 (1997), S. 251-271 
    Details
    ISSN: 1573-1596
    Keywords: Greece ; maize ; climate change ; CO2 effects ; adaptation ; crop simulation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geography
    Notes: Abstract The potential impacts of climate change on the phenology and yield of two maize varieties in Greece were studied. Three sites representing the central and northern agricultural regions were selected: Karditsa, Naoussa and Xanthi. The CERES-Maize model, embedded in the Decision Support System for Agrotechnology Transfer (DSSAT 3.0), was used for the crop simulations, with current and possible future management practices. Equilibrium doubled CO2 climate change scenarios were derived from the GISS, GFDL, and UKMO general circulation models (GCMs); a transient scenario was developed from the GISS GCM transient run A. These scenarios predict consistent increases in air temperature, small increases in solar radiation and precipitation changes that vary considerably over the study regions in Greece. Physiological effects of CO2 on crop growth and yield were simulated. Under present management practices, the climate change scenarios generally resulted in decreases in maize yield due to reduced duration of the growing period at all sites. Adaptation analyses showed that mitigation of climate change effects may be achieved through earlier sowing dates and the use of new maize varieties. Varieties with higher kernel-filling rates, currently restricted to the central regions, could be extended to the northern regions of Greece. In the central regions, new maize varieties with longer grain-filling periods might be needed.
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    URL: http://dx.doi.org/10.1023/B:MITI.0000018044.48957.28
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    Modelling Crop-Climate Interactions in Spain: Vulnerability and Adaptation of Different Agricultural Systems to Climate Change (1997)
    Springer
    Mitigation and adaptation strategies for global change 1 (1997), S. 273-288 
    Details
    ISSN: 1573-1596
    Keywords: climate change ; vulnerability ; adaptation ; agriculture ; Spain ; wheat ; maize
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geography
    Notes: Abstract This study evaluates the theoretical impact of climate change on yields and water use of two crops with different responses to increased CO2 and which represent contrasting agricultural systems in Spain. In all cases the simulated effects of a CO2-induced climate change depended on the counteracting effects between higher daily ET rates, shortening of crop growth duration and changes in precipitation patterns as well as the simulated effects of CO2 on the water use efficiency of the crops. For summer irrigated crops such as maize, the yield reductions and the exacerbated problems of irrigation water availability simulated with climate change may force the crop out of production in some regions. For winter dryland crops such as wheat, productivity increased significantly in some regions, suggesting a northward shift of area suitable for wheat production in future climates. The study considered strategies for improving the efficiency of water use based on the optimization of crop management decisions in a CO2-driven warmer climate.
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    URL: http://dx.doi.org/10.1023/B:MITI.0000018139.42373.f1
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    Impact of Climate Change on Possible Scenarios for Egyptian Agriculture in the Future (1997)
    Springer
    Mitigation and adaptation strategies for global change 1 (1997), S. 233-250 
    Details
    ISSN: 1573-1596
    Keywords: climate change ; vulnerability ; adaptation ; agriculture ; Egypt
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geography
    Notes: Abstract If no timely measures are taken to adapt Egyptian agriculture to possible climate warming, the effects may be negative and serious. Egypt appears to be particularly vulnerable to climate change because of its dependence on the Nile River as the primary water source, its large traditional agricultural base, and its long coastline, already undergoing both intensifying development and erosion. A simulation study characterized potential yield and water use efficiency decreases on two reference crops in the main agricultural regions with possible future climatic variation, even when the beneficial effects of increased CO2 were taken into account. On-farm adaptation techniques which imply no additional cost to the agricultural system, did not compensate for the yield losses with the warmer climate or improve the crop water-use efficiency. Economic adjustments such as the improvement of the overall water-use efficiency of the agricultural system, soil drainage and conservation, land management, and crop alternatives are essential. If appropriate measures are taken, negative effects of climate change in agricultural production and other major resource sectors (water and land) may be lessened.
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    URL: http://dx.doi.org/10.1023/B:MITI.0000018270.16497.39
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  • 28
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    Modelling crop-climate interactions in Spain: Vulnerability and adaptation of different agricultural systems to climate change (1997)
    Springer
    Mitigation and adaptation strategies for global change 1 (1997), S. 273-288 
    Details
    ISSN: 1573-1596
    Keywords: climate change ; vulnerability ; adaptation ; agriculture ; Spain ; wheat ; maize
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geography
    Notes: Abstract This study evaluates the theoretical impact of climate change on yields and water use of two crops with different responses to increased CO2 and which represent contrasting agricultural systems in Spain. In all cases the simulated effects of a CO2-induced climate change depended on the counteracting effects between higher daily ET rates, shortening of crop growth duration and changes in precipitation patterns as well as the simulated effects of CO2 on the water use efficiency of the crops. For summer irrigated crops such as maize, the yield reductions and the exacerbated problems of irrigation water availability simulated with climate change may force the crop out of production in some regions. For winter dryland crops such as wheat, productivity increased significantly in some regions, suggesting a northward shift of area suitable for wheat production in future climates. The study considered strategies for improving the efficiency of water use based on the optimization of crop management decisions in a CO2-driven warmer climate.
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    URL: http://dx.doi.org/10.1007/BF00517807
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    Impact of climate change on maize yield in central and northern Greece: A simulation study with CERES-Maize (1997)
    Springer
    Mitigation and adaptation strategies for global change 1 (1997), S. 251-271 
    Details
    ISSN: 1573-1596
    Keywords: Greece ; maize ; climate change ; CO2 effects ; adaptation ; crop simulation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geography
    Notes: Abstract The potential impacts of climate change on the phenology and yield of two maize varieties in Greece were studied. Three sites representing the central and northern agricultural regions were selected: Karditsa, Naoussa and Xanthi. The CERES-Maize model, embedded in the Decision Support System for Agrotechnology Transfer (DSSAT 3.0), was used for the crop simulations, with current and possible future management practices. Equilibrium doubled CO2 climate change scenarios were derived from the GISS, GFDL, and UKMO general circulation models (GCMs); a transient scenario was developed from the GISS GCM transient run A. These scenarios predict consistent increases in air temperature, small increases in solar radiation and precipitation changes that vary considerably over the study regions in Greece. Physiological effects of CO2 on crop growth and yield were simulated. Under present management practices, the climate change scenarios generally resulted in decreases in maize yield due to reduced duration of the growing period at all sites. Adaptation analyses showed that mitigation of climate change effects may be achieved through earlier sowing dates and the use of new maize varieties. Varieties with higher kernel-filling rates, currently restricted to the central regions, could be extended to the northern regions of Greece. In the central regions, new maize varieties with longer grain-filling periods might be needed.
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    Animal Consciousness and Ethics in Asia and the Pacific (1997)
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    Journal of agricultural and environmental ethics 10 (1997), S. 249-267 
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    ISSN: 1573-322X
    Keywords: Animals ; Asia ; consciousness ; Australia ; Hong Kong ; India ; Israel ; Japan ; New Zealand ; The Philippines ; Russia ; Singapore ; Thailand
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Philosophy
    Notes: Abstract The interactions between humans, animals and the environment have shaped human values and ethics, not only the genes that we are made of. The animal rights movement challenges human beings to reconsider interactions between humans and other animals, and maybe connected to the environmental movement that begs us to recognize the fact that there are symbiotic relationships between humans and all other organisms. The first part of this paper looks at types of bioethics, the implications of autonomy and the value of being alive. Then the level of consciousness of these relationships are explored in survey results from Asia and the Pacific, especially in the 1993 International Bioethics Survey conducted in Australia, Hong Kong, India, Israel, Japan, New Zealand, The Philippines, Russia, Singapore and Thailand. Very few mentioned animal consciousness in the survey, but there were more biocentric comments in Australia and Japan; and more comments with the idea of harmony including humans in Thailand. Comparisons between questions and surveys will also be made, in an attempt to describe what people imagine animal consciousness to be, and whether this relates to human ethics of the relationships.
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    URL: http://dx.doi.org/10.1023/A:1007774409131
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    Lloyd on intrinsic natural representation in simple mechanical minds (1996)
    Springer
    Minds and machines 6 (1996), S. 47-60 
    Details
    ISSN: 1572-8641
    Keywords: Behavioral criterion (of intended object of representation) ; Braitenberg vehicle ; Dennett ; Dretske ; extensional content ; information theory account of representation ; intended object ; intentionality ; intrinsic natural representation ; Lloyd ; machine error ; misrepresentation ; qualia ; representation ; Wittgenstein
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science , Philosophy
    Notes: Abstract In Simple Minds, Dan Lloyd presents a reductive account of naturally representing machines. The theory entails that a system represents an event by virtue of potentially misrepresenting it whenever the machine satisfies a multiple information channel, convergence, and uptake condition. I argue that Lloyd's conditions are insufficient for systems intrinsically naturally to misrepresent, and hence insufficient for them intrinsically naturally to represent. The appearance of potential misrepresentation in such machines is achieved only by reference to the extrinsic design or extrinsic interpretation or attribution of an intrinsically nonexistent or underdetermined purpose, end, or goal to such devices in identifying an intended object of representation in the system's salient behavior under the uptake condition. The implication is that Lloyd-representation is not intrinsic natural representation in a cognitively relevant sense, and Lloyd's simple ‘minds’ are not minds but mere machines.
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    URL: http://dx.doi.org/10.1007/BF00388917
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    Evolutionary plasticity in prokaryotes: A panglossian view (1996)
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    Biology and philosophy 11 (1996), S. 67-88 
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    ISSN: 1572-8404
    Keywords: Microbial evolution ; genetic diversity ; genome plasticity ; mutation ; selection ; adaptation ; function ; etiological conception ; fitness ; environmental heterogeneity ; expected time to extinction ; clone ; individual ; clan ; subclan ; bacteriophage ; DNA inversion ; site-specific recombination ; secondary crossover sites ; transposition
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Philosophy
    Notes: Abstract Enzyme directed genetic mechanisms causing random DNA sequence alterations are ubiquitous in both eukaryotes and prokaryotes. A number of molecular geneticist have invoked adaptation through natural selection to account for this fact, however, alternative explanations have also flourished. The population geneticist G.C. Williams has dismissed the possibility of selection for mutator activity on a priori grounds. In this paper, I attempt a refutation of Williams' argument. In addition, I discuss some conceptual problems related to recent claims made by microbiologists on the adaptiveness of “molecular variety generators” in the evolution of prokaryotes. A distinction is proposed between selection for mutations caused by a mutator activity and selection for the mutator activity proper. The latter requires a concept of fitness different from the one commonly used in microbiology.
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    URL: http://dx.doi.org/10.1007/BF00127472
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    Embedded systemsvs individualism (1995)
    Springer
    Minds and machines 5 (1995), S. 357-371 
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    ISSN: 1572-8641
    Keywords: Action ; anti-individualism ; artificial agents ; child development ; computation ; embedded systems ; environmentalism ; formality condition ; individualism ; learning algorithms ; mobile robots ; representation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science , Philosophy
    Notes: Abstract The dispute between individualism and anti-individualism is about the individuation of psychological states, and individualism, on some accounts, is committed to the claim that psychological subjects together with their environments do not constitute integrated computational systems. Hence on this view the computational states that explain psychological states in computational accounts of mind will not involve the subject's natural and social environment. Moreover, the explanation of a system's interaction with the environment is, on this view, not the primary goal of computational theorizing. Recent work in computational developmental psychology (by A. Karmiloff-Smith and J. Rutkowska) as well as artificial agents or embedded artificial systems (by L.P. Kaelbling, among others) casts doubt on these claims. In these computational models, the environment does not just trigger and sustain input for computational operations, but some computational operations actually involve environmental structures.
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    Representation, similarity, and the chorus of prototypes (1995)
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    Minds and machines 5 (1995), S. 45-68 
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    ISSN: 1572-8641
    Keywords: Vision ; categorization ; representation ; similarity ; receptive fields ; multidimensional scaling ; feature spaces
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science , Philosophy
    Notes: Abstract It is proposed to conceive of representation as an emergent phenomenon that is supervenient on patterns of activity of coarsely tuned and highly redundant feature detectors. The computational underpinnings of the outlined concept of representation are (1) the properties of collections of overlapping graded receptive fields, as in the biological perceptual systems that exhibit hyperacuity-level performance, and (2) the sufficiency of a set of proximal distances between stimulus representations for the recovery of the corresponding distal contrasts between stimuli, as in multidimensional scaling. The present preliminary study appears to indicate that this concept of representation is computationally viable, and is compatible with psychological and neurobiological data.
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    URL: http://dx.doi.org/10.1007/BF00974189
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    The “explicit-implicit” distinction (1995)
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    Minds and machines 5 (1995), S. 219-242 
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    ISSN: 1572-8641
    Keywords: Explicit ; implicit ; connectionism ; representation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science , Philosophy
    Notes: Abstract Much of traditional AI exemplifies the “explicit representation” paradigm, and during the late 1980's a heated debate arose between the classical and connectionist camps as to whether beliefs and rules receive an explicit or implicit representation in human cognition. In a recent paper, Kirsh (1990) questions the coherence of the fundamental distinction underlying this debate. He argues that our basic intuitions concerning ‘explicit’ and ‘implicit’ representations are not only confused but inconsistent. Ultimately, Kirsh proposes a new formulation of the distinction, based upon the criterion ofconstant time processing. The present paper examines Kirsh's claims. It is argued that Kirsh fails to demonstrate that our usage of ‘explicit’ and ‘implicit’ is seriously confused or inconsistent. Furthermore, it is argued that Kirsh's new formulation of the explicit-implicit distinction is excessively stringent, in that it banishes virtually all sentences of natural language from the realm of explicit representation. By contrast, the present paper proposes definitions for ‘explicit’ and ‘implicit’ which preserve most of our strong intuitions concerning straightforward uses of these terms. It is also argued that the distinction delineated here sustains the meaningfulness of the abovementioned debate between classicists and connectionists.
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    URL: http://dx.doi.org/10.1007/BF00974745
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    “X” meansX: Fodor/Warfield semantics (1994)
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    Minds and machines 4 (1994), S. 215-231 
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    ISSN: 1572-8641
    Keywords: Meaning ; representation ; disjunction problem ; Twin-Earth ; Fodor ; asymmetric causal dependency ; actual ; naturalized semantics ; information
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science , Philosophy
    Notes: Abstract In an earlier paper, we argued that Fodorian Semantics has serious difficulties. However, we suggested possible ways that one might attempt to fix this. Ted Warfield suggests that our arguments can be deflected and he does this by making the very moves that we suggested. In our current paper, we respond to Warfield's attempts to revise and defend Fodorian Semantics against our arguments that such a semantic theory is both too strong and too weak. To get around our objections, Warfield proposes a modified reading of one of Fodor's conditions and proposes adding a new condition to the theory. We show that neither the modified reading nor the additional condition saves the asymmetric causal dependency approach to naturalized semantics.
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    URL: http://dx.doi.org/10.1007/BF00974146
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    Can computers carry content ‘inexplicitly’? (1994)
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    Minds and machines 4 (1994), S. 333-344 
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    ISSN: 1572-8641
    Keywords: Emergence ; content ; information ; representation ; computers
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science , Philosophy
    Notes: Abstract I examine whether it is possible for content relevant to a computer's behavior to be carried without an explicit internal representation. I consider three approaches. First, an example of a chess playing computer carrying ‘emergent’ content is offered from Dennett. Next I examine Cummins’ response to this example. Cummins says Dennett's computer executes a rule which is inexplicitly represented. Cummins describes a process wherein a computer interprets explicit rules in its program, implements them to form a chess-playing device, then this device executes the rules in a way that exhibits them inexplicitly. Though this approach is intriguing, I argue that the chess-playing device cannot exist as imagined. The processes of interpretation and implementation produce explicit representations of the content claimed to be inexplicit. Finally, the Chinese Room argument is examined and shown not to save the notion of inexplicit information. This means the strategy of attributing inexplicit content to a computer which is executing a rule, fails.
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    URL: http://dx.doi.org/10.1007/BF00974198
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    Evaluation of climatic change through harmonic analysis (1994)
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    Natural hazards 9 (1994), S. 5-16 
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    ISSN: 1573-0840
    Keywords: Fourier transform ; maximum entropy spectral analysis ; precipitation ; temperature ; climatic change
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geography , Geosciences
    Notes: Abstract In the present work, a precipitation and temperature series from Barcelona (Spain) are analysed in order to detect the possible existence of climatic changes or cycles. The analysis is carried out both from the temporal and spectral standpoints. The techniques used range from the classical periodogram and Blackman-Tukey method through to the Maximum Entropy method. The results do not show the existence of climatic cycles, though they do show a clear tendency toward increased precipitation and decreased temperature, since the last years of series.
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    URL: http://dx.doi.org/10.1007/BF00662588
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    Connectionism, explicit rules, and symbolic manipulation (1993)
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    Minds and machines 3 (1993), S. 183-200 
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    ISSN: 1572-8641
    Keywords: Connectionism ; representation ; explicit rules
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science , Philosophy
    Notes: Abstract At present, the prevailing Connectionist methodology forrepresenting rules is toimplicitly embody rules in “neurally-wired” networks. That is, the methodology adopts the stance that rules must either be hard-wired or “trained into” neural structures, rather than represented via explicit symbolic structures. Even recent attempts to implementproduction systems within connectionist networks have assumed that condition-action rules (or rule schema) are to be embodied in thestructure of individual networks. Such networks must be grown or trained over a significant span of time. However, arguments are presented herein that humanssometimes follow rules which arevery rapidly assignedexplicit internal representations, and that humans possessgeneral mechanisms capable of interpreting and following such rules. In particular, arguments are presented that thespeed with which humans are able to follow rules ofnovel structure demonstrates the existence of general-purpose rule following mechanisms. It is further argued that the existence of general-purpose rule following mechanisms strongly indicates that explicit rule following is not anisolated phenomenon, but may well be a common and important aspect of cognition. The relationship of the foregoing conclusions to Smolensky's view of explicit rule following is also explored. The arguments presented here are pragmatic in nature, and are contrasted with thekind of arguments developed by Fodor and Pylyshyn in their recent, influential paper.
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    URL: http://dx.doi.org/10.1007/BF00975531
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    Life and teleology (1992)
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    Journal for general philosophy of science 23 (1992), S. 85-103 
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    ISSN: 1572-8587
    Keywords: life ; teleology ; evolution ; reality ; representation ; experience
    Source: Springer Online Journal Archives 1860-2000
    Topics: Philosophy , Nature of Science, Research, Systems of Higher Education, Museum Science
    Notes: Summary A comprehensive definition of the phenomenon called “life” led to the addition of many dimensions to the natural sciences, and especially the conscious mental dimension. Historical attention is paid not only to those employing the natural philosophical paradigms, but also to evolutionary theories and to the Kantian teleological philosophy. The belief that science can solve the riddle of life is a category of purposal thinking. A revised version of critical teleology is essential for comprehension of life.
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    Führt die evolutionäre Erkenntnistheorie in einen Relativismus? (1992)
    Springer
    Journal for general philosophy of science 23 (1992), S. 265-288 
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    ISSN: 1572-8587
    Keywords: Evolutionary Epistemology ; Genetic Epistemology ; cognition (human knowledge) ; theories of truth ; explanation of validity claims by genetic means ; adaptation ; unity of selection ; reality ; constructivism ; relativism
    Source: Springer Online Journal Archives 1860-2000
    Topics: Philosophy , Nature of Science, Research, Systems of Higher Education, Museum Science
    Notes: Summary This essay is a discussion of Eve-Marie Engels' view on Evolutionary Epistemology (EE). In the first part two of the main doctrines of EE are criticized: (1.) that validity of human knowledge is to be explained as the result of evolutionary adaptation; yet (2.), that human cognitive capacities had been adequate to our ancestors life conditions but fail in relevant situations of modern world. In the second part the concept of reality underlying EE's adaptational view is discussed and compared with Jean Piaget's concept of reality. Finally, it is held that some of the questions recently raised by proponents of EE, far from being new, have been dealt with already in historical epistemology.
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    Infons as mathematical objects (1992)
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    Minds and machines 2 (1992), S. 185-201 
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    ISSN: 1572-8641
    Keywords: Constraint ; individuation scheme ; infon ; information ; representation ; type
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science , Philosophy
    Notes: Abstract I argue that the role played by infons in the kind of mathematical theory of information being developed by several workers affiliated to CSLI is analogous to that of the various number systems in mathematics. In particular, I present a mathematical construction of infons in terms of representations and informational equivalences between them. The main theme of the paper arose from an electronic mail exchange with Pat Hayes of Xeroxparc. The exposition derives from a talk I gave at theTheories of Partial Information conference held at the University of Texas at Austin, January 1990.
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    “X” means X: Semantics Fodor-style (1992)
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    Minds and machines 2 (1992), S. 175-183 
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    ISSN: 1572-8641
    Keywords: Meaning ; representation ; disjunction problem ; information semantics ; Fodor ; asymmetric causal dependency
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science , Philosophy
    Notes: Abstract InPsychosemantics Jerry Fodor offered a list of sufficient conditions for a symbol “X” to mean something X. The conditions are designed to reduce meaning to purely non-intentional natural relations. They are also designed to solve what Fodor has dubbed the “disjunction problem”. More recently, inA Theory of Content and Other Essays, Fodor has modified his list of sufficient conditions for naturalized meaning in light of objections to his earlier list. We look at his new set of conditions and give his motivation for them-tracing them to problems in the literature. Then we argue that Fodor's conditions still do not work. They are open to objections of two different varieties: they are too strong and too weak. We develop these objections and indicate why Fodor's new, improved list of conditions still do not work to naturalize meaning.
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    URL: http://dx.doi.org/10.1007/BF00704456
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    Notationality and the information processing mind (1991)
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    Minds and machines 1 (1991), S. 129-165 
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    ISSN: 1572-8641
    Keywords: Computation ; cognition ; representation ; information processing ; physical symbol systems ; language of thought
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science , Philosophy
    Notes: Abstract Cognitive science uses the notion of computational information processing to explain cognitive information processing. Some philosophers have argued that anything can be described as doing computational information processing; if so, it is a vacuous notion for explanatory purposes. An attempt is made to explicate the notions of cognitive information processing and computational information processing and to specify the relationship between them. It is demonstrated that the resulting notion of computational information processing can only be realized in a restrictive class of dynamical systems called physical notational systems (after Goodman's theory of notationality), and that the systems generally appealed to by cognitive science-physical symbol systems-are indeed such systems. Furthermore, it turns out that other alternative conceptions of computational information processing, Fodor's (1975) Language of Thought and Cummins' (1989) Interpretational Semantics appeal to substantially the same restrictive class of systems. The necessary connection of computational information processing with notationality saves the enterprise from charges of vacuousness and has some interesting implications for connectionism. But, unfortunately, it distorts the subject matter and entails some troubling consequences for a cognitive science which tries to make notationality do the work of genuine mental representations.
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    URL: http://dx.doi.org/10.1007/BF00361034
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    Connectionism isn't magic (1991)
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    Minds and machines 1 (1991), S. 167-184 
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    ISSN: 1572-8641
    Keywords: Connectionism ; eliminativism ; propositional attitudes ; representation ; symbols
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science , Philosophy
    Notes: Abstract Ramsey, Stich and Garon's recent paper ‘Connectionism, Eliminativism, and the Future of Folk Psychology’ claims a certain style of connectionism to be the final nail in the coffin of folk psychology. I argue that their paper fails to show this, and that the style of connectionism they illustrate can in fact supplement, rather than compete with, the claims of a theory of cognition based in folk psychology's ontology. Ramsey, Stich and Garon's argument relies on the lack of easily identifiable symbols inside the connectionist network they discuss, and they suggest that the existence of a system which behaves in a cognitively interesting way, but which cannot be explained by appeal to internal symbol processing, falsifies central assumptions of folk psychology. My claim is that this argument is flawed, and that the theorist need not discard folk psychology in order to accept that the network illustrated exhibits cognitively interesting behaviour, even if it is conceded that symbols cannot be readily identified within the network.
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    URL: http://dx.doi.org/10.1007/BF00361035
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    Why there are no mental representations (1991)
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    Minds and machines 1 (1991), S. 1-30 
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    ISSN: 1572-8641
    Keywords: Artificial intelligence ; content ; cognitive science ; mind-body problem ; representation ; semantic ; syntax
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science , Philosophy
    Notes: Abstract I argue that there are no mental representations, in the sense of “representation” used in standard computational theories of the mind. I take Cummins' Meaning and Mental Representation as my stalking-horse, and argue that his view, once properly developed, is self-defeating. The argument implicitly undermines Fodor's view of the mind; I draw that conclusion out explicitly. The idea of mental representations can then only be saved by appeal to a Dennett-like instrumentalism; so I argue against that too. Finally, I argue that there is no good metaphysical reason in favour of believing in mental representations and that cognitive science can manage perfectly well without them.
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    URL: http://dx.doi.org/10.1007/BF00360576
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    Science in the age of mechanical reproduction: moral and epistemic relations between diagrams and photographs (1991)
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    Biology and philosophy 6 (1991), S. 205-226 
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    ISSN: 1572-8404
    Keywords: Diagrams ; ethnomethodology ; knowledge ; photography ; representation ; science ; sociology
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Philosophy
    Notes: Abstract Sociologists, philosophers and historians of science are gradually recognizing the importance of visual representation. This is part of a more general movement away from a theory-centric view of science and towards an interest in practical aspects of observation and experimentation. Rather than treating science as a matter of demonstrating the logical connection between theoretical and empirical statements, an increasing number of investigations are examining how scientists compose and use diagrams, graphs, photographs, micrographs, maps, charts, and related visual displays. This paper focuses on diagrams in biology, and tries to demonstrate how diagrams are an integral part of the production of scientific knowledge. In order to disclose some of the distinctive practical and analytical uses of diagrams, the paper contrasts the way diagrams and photographs are used in biological texts. Both diagrams and photographs are shown to be “constructions” that separately and together mediate the investigation of scientific phenoman.
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    URL: http://dx.doi.org/10.1007/BF02426838
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    Representations of the Natural System in the Nineteenth century (1991)
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    Biology and philosophy 6 (1991), S. 255-274 
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    ISSN: 1572-8404
    Keywords: Classification ; diagrams ; evolution ; history ; natural history ; natural system ; ornithology ; phylogeny ; representation ; systematics ; taxonomy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Philosophy
    Notes: Abstract ‘The Natural System’ is the abstract notion of the order in living diversity. The richness and complexity of this notion is revealed by the diversity of representations of the Natural System drawn by ornithologists in the Nineteenth Century. These representations varied in overall form from stars, to circles, to maps, to evolutionary trees and cross-sections through trees. They differed in their depiction of affinity, analogy, continuity, directionality, symmetry, reticulation and branching, evolution, and morphological convergence and divergence. Some representations were two-dimensional, and some were three-dimensional; n-dimensional representations were discussed but never illustrated. The study of diagrammatic representations of the Natural System is made difficult by the frequent failure of authors to discuss them in their texts, and by the consequent problem of distinguishing features which carried meaning from arbitrary features and printing conventions which did not. Many of the systematics controversies of the last thirty years have their roots in the conceptual problems which surrounded the Natural System in the late 1800s, problems which were left unresolved when interest in higher-level systematics declined at the turn of this century.
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    URL: http://dx.doi.org/10.1007/BF02426840
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    Künstliche Intelligenz und Philosophie (1990)
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    Journal for general philosophy of science 21 (1990), S. 347-358 
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    ISSN: 1572-8587
    Keywords: artificial intelligence ; understanding ; representation ; meaning ; intentionality ; teleology ; subjectivity ; semiotics ; philosophical anthropology
    Source: Springer Online Journal Archives 1860-2000
    Topics: Philosophy , Nature of Science, Research, Systems of Higher Education, Museum Science
    Notes: Summary Artificial Intelligence can be considered as the so far last attempt to decode the anthropological comparison between human beings and machines. Thereby it also represents in a prominent way what can be called “systemic thought”. Searle's conclusive argument against strong AI (that is the idea of computers having intention in a literal way) refers to his precise distinction between syntax and semantics. This difference obviously opposing some of Searle's other essential ideas will only convince if it also explains the genetic-pragmatic aspect. A theory explaining the “life of mind” and the possibility of understanding needs to combine representation and intention with the subjective causation of signs. At the same time they have to be contextualized within a model of teleologically interpreted life recognized with the help of self-experience and self-reflection. This suggests that AI is a simulation which wrongly believes to be a real duplication. Actually it is a semiotic reduction (syntax and semantic surface of signs only) and a psychological compensation (Turing test) connected with a genetic or abductive fallacy. The biological decontextualization, in fact the elimination of teleology and intention, the deconstruction of subjectivity, the loss of the genetic-pragmatic dimension and the abductive fallacy induce the strong AI to confuse its surface-illusion of simulated understanding with the real process itself.
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    URL: http://dx.doi.org/10.1007/BF01801043
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    Species of thought: A comment on evolutionary epistemology (1990)
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    Biology and philosophy 5 (1990), S. 37-62 
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    ISSN: 1572-8404
    Keywords: Evolutionary epistemology ; mental representations ; adaptation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Philosophy
    Notes: Abstract The primary outcome of natural selection is adaptation to an environment. The primary concern of epistemology is the acquistion of knowledge. Evolutionary epistemology must therefore draw a fundamental connection between adaptation and knowledge. Existing frameworks in evolutionary epistemology do this in two ways; (a) by treating adaptation as a form of knowledge, and (b) by treating the ability to acquire knowledge as a biologically evolved adaptation. I criticize both frameworks for failing to appreciate that mental representations can motivate behaviors that are adaptive in the real world without themselves directly corresponding to the real world. I suggest a third framework in which mental representations are to reality as species are to ecosystems. This is a many-to-one relationship that predicts a diversity of adaptive representations in the minds of interacting people. As “species of thought”, mental representations share a number of properties with biological species, including isolating mechanisms that prevent them from blending with other representations. Species of thought also are amenable to the empirical methods that evolutionists use to study adaptation in biological species. Empirical studies of mental representations in everyday life might even be necessary for science to succeed as a normative “truth-seeking” discipline.
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    URL: http://dx.doi.org/10.1007/BF02423832
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    Causes, proximate and ultimate (1990)
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    Biology and philosophy 5 (1990), S. 401-415 
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    ISSN: 1572-8404
    Keywords: Proximate cause ; ultimate cause ; function ; functionalism ; structuralism ; adaptation ; sociobiology ; behavioral ecology
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Philosophy
    Notes: Abstract Within evolutionary biology a distinction is frequently made between proximate and ultimate causes. One apparently plausible interpretation of this dichotomy is that proximate causes concern processes occurring during the life of an organism while ultimate causes refer to those processes (particularly natural selection) that shaped its genome. But “ultimate causes” are not sought through historical investigations of an organisms lineage. Rather, explanations referring to ultimate causes typically emerge from functional analyses. But these functional analyses do not identify causes of any kind, much less ultimate ones. So-called “ultimate explanations” are not about causes in any sense resembling those of proximate explanations. The attitude, implicit in the term “ultimate cause”, that these functional analyses are somehow superordinate to those involving “proximate causes” is unfounded. “Ultimate causes” are neither ultimate nor causes.
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    URL: http://dx.doi.org/10.1007/BF02207379
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