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  • Articles  (1,162)
  • Institute of Electrical and Electronics Engineers  (768)
  • Molecular Diversity Preservation International  (235)
  • Hindawi  (150)
  • American Meteorological Society
  • Blackwell Publishing Ltd
  • Copernicus
  • Springer Science + Business Media
  • 2020-2024
  • 2020-2022
  • 2010-2014  (1,162)
  • 1985-1989
  • 1960-1964
  • 2012  (1,162)
  • Architecture, Civil Engineering, Surveying  (1,153)
  • History  (9)
Collection
  • Articles  (1,162)
Source
Publisher
Years
  • 2020-2024
  • 2020-2022
  • 2010-2014  (1,162)
  • 1985-1989
  • 1960-1964
Year
Journal
Topic
  • 1
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    Diversity Management in the Canadian Workplace: Towards an Antiracism Approach (2012)
    Hindawi
    Details
    Publication Date: 2012-11-15
    Description: Most diversity management programs in Canada maintain that enhancing workforce diversity is of tremendous significance for business organizations in today’s competitive global urban markets. Since well-meaning diversity management initiatives have been largely ineffective thus far in dealing with workplace discrimination and racism in the Canadian workplace, this paper underscores the need to decenter the focus of diversity management from a business imperative to an antidiscrimination and social justice imperative. Within this latter perspective, the paper examines the strengths and limitations of the antiracism approach that has been implemented in various developed countries in recent years. The antiracism approach is an action-oriented strategy for institutional and systemic change that has at its core the interrogation of privilege, power disparities, and other forms of inequity within the organization. Drawing from the lessons of various initiatives that have utilized this approach, the present paper emphasizes the need for a nuanced antiracism approach in the multicultural Canadian society if diversity management is to attain its goal of greater inclusion of all individuals in informal networks and formal organizational programs.
    Print ISSN: 2090-4185
    Electronic ISSN: 2090-4193
    Topics: Architecture, Civil Engineering, Surveying , Geography
    Published by Hindawi
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  • 2
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    The Spatial-Temporal Dynamics of China’s Changing Urban Hierarchy (1950–2005) (2012)
    Hindawi
    Details
    Publication Date: 2012-11-15
    Description: This paper examines the dynamic spatial and temporal patterns of China’s urban hierarchy from 1950 to 2005. We limit the study to mainland China’s 137 urban agglomerations of 750,000 or more population as of 2005. The paper improves upon a classic approach to measuring shifting ranks within an urban hierarchy by applying advanced spatial analysis techniques. We use a Getis-Ord , a space-time Moran scatter plot, and dynamic LISA paths to examine the regional difference and change for these urban agglomerations. Our study revealed a north-south divide in the changing urban hierarchy of China after 1990. The analysis demonstrated that the spatial and temporal shift of urban dominance in China was closely associated with policy and economic factors. The paper concludes with a discussion of the differences across the six different time periods of change from 1950 to 2005.
    Print ISSN: 2090-4185
    Electronic ISSN: 2090-4193
    Topics: Architecture, Civil Engineering, Surveying , Geography
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  • 3
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    The Coexistence of Humans and Companion Animals in the City Parks of Xanthi: The Views of the Citizens (2012)
    Hindawi
    Details
    Publication Date: 2012-12-11
    Description: Companion animals are very important to people of big cities. In Greece the families which own those animals take them for a walk in the parks and streets of their town but not always with care to not disturb other citizens. Laws and regulations for companion and stray animals are not respected in Greece, although as a result of the Athens Olympics in 2004 the Greek government started to provide funds for the collection, care, and sterilization of stray animals. This paper is a first attempt to record, through the aid of a structured questionnaire, the view of the citizens of the city of Xanthi in northern Greece regarding companion animals and what they do when animals become old. The paper also examines the extent to which the existence of stray and companion animals in parks disturbs the people who visit green areas looking for a place to get a rest or play on the grass. The majority preferred that stray animals are collected off the streets, recorded, treated from parasites, vaccinated, and sterilized and after that are available for adoption or are returned to the area they were found at.
    Print ISSN: 2090-4185
    Electronic ISSN: 2090-4193
    Topics: Architecture, Civil Engineering, Surveying , Geography
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  • 4
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    Accurate GLONASS Time Transfer for the Generation of the Coordinated Universal Time (2012)
    Hindawi
    Details
    Publication Date: 2012-09-26
    Description: The spatial techniques currently used in accurate time transfer are based on GPS, TWSTFT, and GLONASS. The International Bureau of Weights and Measures (BIPM) is mandated for the generation of Coordinated Universal Time (UTC) which is published monthly in the BIPM Circular T. In 2009, the international Consultative Committee for Time and Frequency (CCTF) recommended the use of multitechniques in time transfer to ensure precision, accuracy, and robustness in UTC. To complement the existing GPS and TWSTFT time links, in November 2009 the first two GLONASS time links were introduced into the UTC worldwide time link network. By November 2011, 6 GLONASS time links are used in the UTC computation. In the frame of the application in the UTC computation, we establish the technical features of GLONASS time transfer: the short- and long-term stabilities, the calibration process, and in particular the impact of the multiple GLONASS frequency biases. We then outline various considerations for future developments, including the uses of P-codes and carrier-phase information.
    Print ISSN: 1687-5990
    Electronic ISSN: 1687-6008
    Topics: Architecture, Civil Engineering, Surveying , Geosciences
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  • 5
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    Streets Apart: Does Social Capital Vary with Neighbourhood Design? (2012)
    Hindawi
    Details
    Publication Date: 2012-09-03
    Description: While neighbourhood differences in social capital have been mapped, few empirical studies have considered the nexus between specific physical characteristics of communities and social capital. In this study we hypothesised that social capital would be positively associated with a more walkable street network design, but inversely associated with negative experiences and perceptions of neighbourhood environments. Data was gathered through a random cross-sectional telephone survey of adults (
    Print ISSN: 2090-4185
    Electronic ISSN: 2090-4193
    Topics: Architecture, Civil Engineering, Surveying , Geography
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  • 6
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    Conundrums in Conservation: Complexity in Control (2012)
    Hindawi
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    Publication Date: 2012-08-28
    Description: The departure point for this investigation is to highlight the centrality of regulation theory as a praxis in planning enforcement. The value of the conceptual framework is demonstrated by application in the problematic arena of conservation regulatory compliance, where there is currently a dearth of investigation. It is evidenced that this thematic approach provides a lens to scrutinise problematic areas of control and provides a deeper understanding of the difficulties faced by planning enforcement operational practice generally and heritage regimes specifically. The utility of the proposed mechanism is that it remedies the current, well documented, pitfalls of disjointed, piecemeal strategies by providing a framework for robust, coherent decision making not only in planning but in the wider regulatory arena.
    Print ISSN: 2090-4185
    Electronic ISSN: 2090-4193
    Topics: Architecture, Civil Engineering, Surveying , Geography
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  • 7
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    Effectiveness of GNSS Spoofing Countermeasure Based on Receiver CNR Measurements (2012)
    Hindawi
    Details
    Publication Date: 2012-07-18
    Description: A perceived emerging threat to GNSS receivers is posed by a spoofing transmitter that emulates authentic signals but with randomized code phase and Doppler over a small range. Such spoofing signals can result in large navigational solution errors that are passed onto the unsuspecting user with potentially dire consequences. In this paper, a simple and readily implementable processing rule based on CNR estimates of the correlation peaks of the despread GNSS signals is developed expressly for reducing the effectiveness of such a spoofer threat. Consequently, a comprehensive statistical analysis is given to evaluate the effectiveness of the proposed technique in various LOS and NLOS environments. It is demonstrated that the proposed receiver processing is highly effective in both line-of-sight and multipath propagation conditions.
    Print ISSN: 1687-5990
    Electronic ISSN: 1687-6008
    Topics: Architecture, Civil Engineering, Surveying , Geosciences
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  • 8
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    Indoor Localisation Using a Context-Aware Dynamic Position Tracking Model (2012)
    Hindawi
    Details
    Publication Date: 2012-06-21
    Description: Indoor wireless localisation is a widely sought feature for use in logistics, health, and social networking applications. Low-powered localisation will become important for the next generation of pervasive media applications that operate on mobile platforms. We present an inexpensive and robust context-aware tracking system that can track the position of users in an indoor environment, using a wireless smart meter network. Our context-aware tracking system combines wireless trilateration with a dynamic position tracking model and a probability density map to estimate indoor positions. The localisation network consisted of power meter nodes placed at known positions in a building. The power meter nodes are tracked by mobile nodes which are carried by users to localise their position. We conducted an extensive trial of the context-aware tracking system and performed a comparison analysis with existing localisation techniques. The context-aware tracking system was able to localise a person's indoor position with an average error of 1.21 m.
    Print ISSN: 1687-5990
    Electronic ISSN: 1687-6008
    Topics: Architecture, Civil Engineering, Surveying , Geosciences
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  • 9
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    Lower Troposphere Observation over Urban Area with Lidar at 1064 nm (2012)
    Hindawi
    Details
    Publication Date: 2012-06-21
    Description: An episode of relatively thick (till ~3 km) aerosol formation over the urban area of Sofia city was observed by lidar at a wavelength of 1064 nm. The lidar is part of Sofia lidar station at the Institute of Electronics of Bulgarian Academy of Sciences. Analysis of the weather conditions during the measurement period explains the stable persistence of such formation of human-activity aerosol over the town for the days of observation 20, 21, 23, and 24 June, 2011. The estimated top of the Planetary Boundary Layer for the measurement dated 23 June showed unusually high altitude ~2200 m above ground. The results are presented in terms of vertical atmospheric backscatter coefficient profiles and color maps of the aerosol stratification evolution.
    Print ISSN: 1687-5990
    Electronic ISSN: 1687-6008
    Topics: Architecture, Civil Engineering, Surveying , Geosciences
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  • 10
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    Performance of Deconvolution Methods in Estimating CBOC-Modulated Signals (2012)
    Hindawi
    Details
    Publication Date: 2012-06-21
    Description: Multipath propagation is one of the most difficult error sources to compensate in global navigation satellite systems due to its environment-specific nature. In order to gain a better understanding of its impact on the received signal, the establishment of a theoretical performance limit can be of great assistance. In this paper, we derive the Cramer Rao lower bounds (CRLBs), where in one case, the unknown parameter vector corresponds to any of the three multipath signal parameters of carrier phase, code delay, and amplitude, and in the second case, all possible combinations of joint parameter estimation are considered. Furthermore, we study how various channel parameters affect the computed CRLBs, and we use these bounds to compare the performance of three deconvolution methods: least squares, minimum mean square error, and projection onto convex space. In all our simulations, we employ CBOC modulation, which is the one selected for future Galileo E1 signals.
    Print ISSN: 1687-5990
    Electronic ISSN: 1687-6008
    Topics: Architecture, Civil Engineering, Surveying , Geosciences
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