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Issue title: Chance discovery
Guest editors: A. Abex and Y. Ohsaway
Article type: Research Article
Authors: Takizawa, Atsushia; * | Kawaguchi, Fumiea | Katoh, Naokia | Mori, Kenjib | Yoshida, Kazuob
Affiliations: [a] Department of Architecture and Architectural Engineering, Graduate School of Engineering, Kyoto University, Kyoto University Katsura Campus, Nishikyo-ku, Kyoto 615-8540, Japan | [b] Crime Analysis Office, Kyoto Prefecture Police, Kamazadorishimotateuri, Kamigyo-ku, Kyoto 602-8550, Japan | [x] ATR Knowledge Science Laboratories, Japan | [y] School of Engineering, The University of Tokyo, Japan
Correspondence: [*] Corresponding author. E-mail: kukure@archi.kyoto-u.ac.jp
Abstract: Using spatial data mining techniques, we analyze car-related crimes such as auto theft, auto parts theft, and breaking into a car in the area of Nishikyo-ku, Kyoto City. The strategy of natural surveillance proposed by Crime Prevention Through Environmental Design (CPTED) is taken into consideration as visibility attributes. From the viewpoint of risk discovery, we do not employ ordinary association rule but a new data mining technique called Emerging Patterns (EPs). EP is defined as an itemset whose support increases significantly from one dataset to another. Since a large number of EPs are generated in general as in association rule, it is difficult to identify the critical factors which affect crime occurrences. Therefore, we will introduce two new ideas; (a) appropriately aggregating several EPs with high growth-rate and (b) identifying a pair of similar patterns A and B such that A is not associated with high crime occurrences while B is highly correlated with crime occurrences. Finding such similar patterns reveals that the attribute value which is in B but not in A is then identified as a critical factor which arouses crimes when combined with certain factors.
DOI: 10.3233/KES-2007-11506
Journal: International Journal of Knowledge-based and Intelligent Engineering Systems, vol. 11, no. 5, pp. 301-311, 2007
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