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ItemUse of the Internet in the diffusion of GIS for General Practices in Victoria, AustraliaEscobar, Francisco J. ; Williamson, Ian P. ; GREEN, JULIE ; WATERS, ELIZABETH ( 1998)This paper describes the delivery of a Geographic Information System (GIS) product through the Internet for primary health care services provided at general medical practices in the State of Victoria, Australia. The paper details a collaborative research project whose principal aim was to develop a methodology for creating a GIS as a decision support system, for more effective use of information about population and health services at a given location. The methodology employed is based on the ability of a GIS to establish interrelationships between a combination of health, geographic and demographic data. An overview is given of GIS as a technology which allows geospatial data to be analysed, displayed and queried. The results of the project can be demonstrated through a live presentation, detailing specific and generic reasons for the choice of the Internet as the preferred delivery mechanism. The paper concludes with the identification of important issues related to the research and the use of the World Wide Web for Geographic Information Systems and Health.
ItemSpatial hierarchical reasoning applied to administrative boundary design using GISEagleson, S. ; Escobar, F. ; Williamson, I. P. ( 1999)Throughout history, humankind has segmented and structured the spatial environment in various ways to support administrative, political and economic activities. To date, the majority of spatial boundaries have been constructed in an uncoordinated manner with individual organisations generating individual boundaries to meet individual needs. This practice has resulted in boundary layers that even the most sophisticated GIS (Geographic Information System) technology is unable to cross analyse accurately. Consequently, geospatial information is fragmented over a series of boundary units. The objective of this paper is to identify issues associated with the division of our geospatial environment. Also, to investigate new methods for the organisation of data by applying the principles of Hierarchical Spatial Reasoning (HSR), where HSR can be used as the theoretical framework for investigating the hierarchical structuring of space and its use in reasoning. The study aims to examine the global extent of the problem, while focusing on solutions for the state of Victoria, Australia.