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  • Articles  (20)
  • Blackwell Publishing Ltd  (20)
  • 2020-2023
  • 2020-2020
  • 1995-1999  (6)
  • 1990-1994  (14)
  • 1965-1969
  • Computer Science  (20)
  • 1
    Electronic Resource
    Electronic Resource
    EFFICIENT TEMPORAL REASONING IN THE CACHED EVENT CALCULUS (1996)
    Oxford, UK : Blackwell Publishing Ltd
    Computational intelligence 12 (1996), S. 0 
    Details
    ISSN: 1467-8640
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Computer Science
    Notes: This article deals with the problem of providing Kowalski and Sergot's event calculus, extended with context dependency, with an efficient implementation in a logic programming framework. Despite a widespread recognition that a positive solution to efficiency issues is necessary to guarantee the computational feasibility of existing approaches to temporal reasoning, the problem of analyzing the complexity of temporal reasoning programs has been largely overlooked. This article provides a mathematical analysis of the efficiency of query and update processing in the event calculus and defines a cached version of the calculus that (i) moves computational complexity from query to update processing and (ii) features an absolute improvement of performance, because query processing in the event calculus costs much more than update processing in the proposed cached version.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1467-8640.1996.tb00267.x
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  • 2
    Electronic Resource
    Electronic Resource
    ON MODELING UNCERTAINTY WITH INTERVAL STRUCTURES (1995)
    Oxford, UK : Blackwell Publishing Ltd
    Computational intelligence 11 (1995), S. 0 
    Details
    ISSN: 1467-8640
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Computer Science
    Notes: In this paper, we introduce the notion of interval structures in an attempt to establish a unified framework for representing uncertain information. Two views are suggested for the interpretation of an interval structure. A typical example using the compatibility view is the rough set model in which the lower and upper approximations form an interval structure. Incidence calculus adopts the allocation view in which an interval structure is defined by the tightest lower and upper incidence bounds. The relationship between interval structures and interval-based numeric belief and plausibility functions is also examined. As an application of the proposed model, an algorithm is developed for computing the tightest incidence bounds.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1467-8640.1995.tb00041.x
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  • 3
    Electronic Resource
    Electronic Resource
    RULE-BASED STABILIZATION OF THE INVERTED PENDULUM (1995)
    Oxford, UK : Blackwell Publishing Ltd
    Computational intelligence 11 (1995), S. 0 
    Details
    ISSN: 1467-8640
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Computer Science
    Notes: The inverted pendulum poses serious problems for qualitative modeling methods, so it is a good benchmark to lest their performance. This paper shows how a new data analysis method known as rough set theory can be utilized to swing up and stabilize the pendulum. Our approach to this task consists of deriving control rules from the actions of a human operator stabilizing the pendulum and subsequently using them for automatic control. Rule derivation is based on the “learning from examples” principle and does not require knowledge of a quantitative model of the system.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1467-8640.1995.tb00037.x
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  • 4
    Electronic Resource
    Electronic Resource
    THE ROLE OF PROBABILITY IN EPISTEMOLOGY (1994)
    Oxford, UK : Blackwell Publishing Ltd
    Computational intelligence 10 (1994), S. 0 
    Details
    ISSN: 1467-8640
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Computer Science
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1467-8640.1994.tb00154.x
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  • 5
    Electronic Resource
    Electronic Resource
    Reply to rejoinder (1990)
    Oxford, UK : Blackwell Publishing Ltd
    Computational intelligence 6 (1990), S. 0 
    Details
    ISSN: 1467-8640
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Computer Science
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1467-8640.1990.tb00135.x
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  • 6
    Electronic Resource
    Electronic Resource
    Barriers to adopting management expert systems: case studies of management accounting applications which failed (1991)
    Oxford, UK : Blackwell Publishing Ltd
    Expert systems 8 (1991), S. 0 
    Details
    ISSN: 1468-0394
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Computer Science
    Notes: Abstract: The purpose of this paper is to draw attention to some important barriers to the practical application of expert systems to management problems. By drawing attention to these barriers, we show two findings: (a) that certain types of knowledge found in management situations are more likely to lead to the successful adoption of management expert systems (MESs) than others; (b) that a potential exists for an alternative form of MES application. The first finding has implications for knowledge elicitation. We propose that MESs developed from academic knowledge, which we define in specific terms, are more likely to succeed than those developed from working with managers in the field. Alternatively, feasibility studies should include an analysis of the type of knowledge which a manager is capable of providing to ensure that suitable knowledge is available for knowledge elicitation purposes. The second finding has implications for the developers of MESs at both research and commercial levels. We suggest the need for a check-list MES application, capable of converting responses to strategic and operational questions into managerial actions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1468-0394.1991.tb00288.x
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  • 7
    Electronic Resource
    Electronic Resource
    Object/rule integration in CLIPS (1994)
    Oxford, UK : Blackwell Publishing Ltd
    Expert systems 11 (1994), S. 0 
    Details
    ISSN: 1468-0394
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Computer Science
    Notes: Abstract: This paper gives a brief overview of the C Language Integrated Production System (CLIPS) with a focus on the object-oriented features. The advantages of an object data representation over the traditional working memory element (WME), i.e. facts, are discussed and the implementation of the Rete inference algorithm in CLIPS is presented in detail. A few methods for achieving pattern-matching on objects with the current inference engine are given and, finally, the paper examines the modifications necessary to the Rete algorithm to allow direct object pattern-matching.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1468-0394.1994.tb00315.x
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  • 8
    Electronic Resource
    Electronic Resource
    IEADVISE — an undergraduate course-advising expert system in Industrial Engineering (1993)
    Oxford, UK : Blackwell Publishing Ltd
    Expert systems 10 (1993), S. 0 
    Details
    ISSN: 1468-0394
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Computer Science
    Notes: Abstract: IEADVISE is an undergraduate course-advising expert system developed and used by the Department of Industrial Engineering at the University of Missouri-Columbia, USA. The motivation for this development was the need for an online system that would make undergraduate course-advising accessible at all times to the Industrial Engineering students. Expert System Environment (ESE), an expert system shell on the IBM mainframe, was chosen as the development tool. This paper describes the knowledge base, the expert system and its operation, and the verification and validation procedures. Results of the verification and validation performed to ensure accuracy and reliability will be discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1468-0394.1993.tb00090.x
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  • 9
    Electronic Resource
    Electronic Resource
    A blackboard approach to modeling expertise in corporate settlement decisions (1993)
    Oxford, UK : Blackwell Publishing Ltd
    Expert systems 10 (1993), S. 0 
    Details
    ISSN: 1468-0394
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Computer Science
    Notes: Abstract: The SKADE system models expertise in corporate settlement decisions using the blackboard approach. The full model has four knowledge sources: General Counsel, Attorney, Manager and Insurance Adjuster. The combined expertise from each of these is required to make the settlement decision. A control component in the model coordinates the activities of the various knowledge sources. Based on the latest data entries on the blackboard, the control selects and executes the next knowledge source. The blackboard model reproduces the experts' opportunistic reasoning processes by the interaction between the various knowledge sources. The results of analyses of a hypothetical case through a series of experiments with the SKADE system indicate that the blackboard is an appropriate model for development of multiple cooperative expert systems in the settlement decision domain. Compared to straight rule-based models, this blackboard provides more efficient problem solving. The initial success with the blackboard model suggests that further work needs to be done to see whether more complex models can be built to incorporate a broader range of determinants of settlement decisions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1468-0394.1993.tb00299.x
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  • 10
    Electronic Resource
    Electronic Resource
    PATTERN-BASED LEARNING AND SPATIALLY ORIENTED CONCEPT FORMATION IN A MULTI-AGENT, DECISION-MAKING EXPERT (1996)
    Oxford, UK : Blackwell Publishing Ltd
    Computational intelligence 12 (1996), S. 0 
    Details
    ISSN: 1467-8640
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Computer Science
    Notes: As they gain expertise in problem solving, people increasingly rely on patterns and spatially oriented reasoning. This paper describes an associative visual-pattern classifier and the automated acquisition of new, spatially oriented reasoning agents that simulate such behavior. They are incorporated into a multi-agent game-learning program whose architecture robustly combines agents with conflicting perspectives. When tested on three games, the visual-pattern classifier learns meaningful patterns, and the pattern-based, spatially oriented agents generalized from these patterns are generally correct. The accuracy of the contribution of each of the newly created agents to the decision-making process is measured against an expert opponent, and a perceptron-Iike algorithm is used to learn game-specific weights for these agents. Much of the knowledge encapsulated by the new agents was previously inexpressible in the program's representation and in some cases is not readily deducible from the rules.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1467-8640.1996.tb00259.x
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