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Extracting Features of Sidewalk Space Using the Rough Sets Approach

Author

Listed:
  • Weijie Wang
  • Imki Seo
  • Byungjoo Lee

    (Bureau of Construction and Logistics Transportation, Jeollabuk do Provincial Government, 3-1, Jeonju, Jeollabuk do, South Korea, 560-761)

  • Moon Namgung

    (Department of Civil and Environmental Engineering, Wonkwang University, 344-2, Iksan, Jeollabuk do, South Korea, 570-749)

Abstract

The aim of this paper is to offer a contribution to the study of the relationship between the physical elements of a sidewalk and people's perception of it by applying the rough sets approach. In previous studies in this context statistical methods such as variance analysis and regression analysis are the most used techniques, and these suffer from the limitations of large sample sizes and rigorous statistical assumptions. However, the rough sets approach, as a nonparametric method of artificial intelligence, can handle this problem. In this study, twenty civil-engineering students and twenty noncivil-engineering students took part in an image preference survey assessing photographs of sidewalks. Then the rough sets approach was conducted by a four-step procedure to analyze the survey results. Finally, the output of the rough sets approach is used to express people's perception of good and bad features of sidewalk space. The results will hopefully help planners to make effective decisions about sidewalk features.

Suggested Citation

  • Weijie Wang & Imki Seo & Byungjoo Lee & Moon Namgung, 2008. "Extracting Features of Sidewalk Space Using the Rough Sets Approach," Environment and Planning B, , vol. 35(5), pages 920-934, October.
    • Handle: RePEc:sae:envirb:v:35:y:2008:i:5:p:920-934
    DOI: 10.1068/b34045
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    References listed on IDEAS

    as
    1. Alexander Walter & Roland Scholz, 2007. "Critical success conditions of collaborative methods: a comparative evaluation of transport planning projects," Transportation, Springer, vol. 34(2), pages 195-212, March.
    2. Peter Nijkamp & Piet Rietveld & Laura Spierdijk, 2000. "A Meta-Analytic Comparison of Determinants of Public Transport Use: Methodology and Application," Environment and Planning B, , vol. 27(6), pages 893-903, December.
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