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ISPRS Int. J. Geo-Inf. 2017, 6(9), 259; doi:10.3390/ijgi6090259

Identifying and Analyzing the Prevalent Regions of a Co-Location Pattern Using Polygons Clustering Approach

Faculty of Information Engineering, China University of Geosciences, Wuhan 430072, China
Academic Editor: Wolfgang Kainz
Received: 4 July 2017 / Revised: 5 August 2017 / Accepted: 21 August 2017 / Published: 23 August 2017
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Abstract

Given a co-location pattern consisting of spatial features, the prevalent region mining process identifies local areas in which these features are co-located with a high probability. Many approaches have been proposed for co-location mining due to its key role in public safety, social-economic development and environmental management. However, traditionally, most of the solutions focus on itemsets mining and results outputting in a textual format, which fail to adequately treat all the spatial nature of the underlying entities and processes. In this paper, we propose a new co-location analysis approach to find the prevalent regions of a pattern. The approach combines kernel density estimation and polygons clustering techniques to specifically consider the correlation, heterogeneity and contextual information existing within complex spatial interactions. A kernel density estimation surface is created for each feature and subsequently the generated multiple surfaces are combined into a final surface with cell attribute representing the pattern prevalence measure value. Polygons consisting of cells are then extracted according to the predefined threshold. Through adding appended environmental data to the polygons, an outcome of similar groups is achieved using polygons clustering approach. The effectiveness of our approach is evaluated using Points-of-Interest datasets in Shenzhen, China. View Full-Text
Keywords: spatial data mining; association rules; co-location patterns; pattern mining; polygon clustering spatial data mining; association rules; co-location patterns; pattern mining; polygon clustering
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Yu, W. Identifying and Analyzing the Prevalent Regions of a Co-Location Pattern Using Polygons Clustering Approach. ISPRS Int. J. Geo-Inf. 2017, 6, 259.

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