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Integrating Gis

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Transactions in GIS, 2008, 12(3): 365– 375

XXX © 2008 UK 1467-9671 1361-1682 Transactions in GIS TGIS The Authors. Journal compilation © 2008 Blackwell Publishing Ltd Oxford, 20083Blackwell Publishing Ltd

Research Article

Research D Ghosh Article A Loose Coupling Technique for Integrating GIS and Multi-Criteria Decision Making

A Loose Coupling Technique for Integrating GIS and Multi-Criteria Decision Making
Debasis Ghosh
National Informatics Centre Ministry of Communications and Information Technology Calcutta, India
Keywords

Abstract Spatial decision making is characterized by problems associated with multiple and conflicting alternatives relating to geographical features and their attributes. As such, the search for the best possible alternative from a large set of such alternatives can be a daunting task. The aim of integrating GIS with Multi-Criteria Decision Making (MCDM) is to develop a well-defined process that can scan through such extensive fields of choice to arrive at the best possible solution. Goal Programming is one tool (developed in conjunction with MCDM) that can handle a problem with multiple, conflicting and incommensurable alternatives, and this article explains how the loose coupling technique can integrate MCDM with GIS to assist decision making among competing alternatives. As an example, this methodology has been applied for community development purposes in the Hooghly District of West Bengal, India.

1 Background
The inclusion of Multi-Criteria Decision Making (MCDM) in spatial environments provides us with the basis for spatial decision support systems. Spatial multi-criteria decision problems typically involve a set of geographically-defined alternatives from which a choice of one or more alternatives is made with respect to a given set of evaluation criteria. Within the framework of spatial analysis, MCDM models have

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