WPI Worcester Polytechnic Institute

Computer Science Department
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Title: Distributed Retrieval, Computation, and Storage of GIS Data

Author(s): M.A. Gennert, N.I. Hachem, and A. Bansal, Computer Science Department, Worcester Polytechnic Institute, Worcester, MA 01609

Source: Proc. 2nd ACM Wkshp. Advances in Geographic Information Systems, Gaithersburg, MD, Dec. 1994.

Abstract: Scientific databases, including Geographic Information Systems (GIS), require the integration of diverse types of computational resources into a single, seamless environment. Whether the resources are software tools for data analysis, database management systems, or user interfaces, the same types of difficulties must be overcome. These include: expressing computations in a non-implementation-specific manner, data format conversion, rapid data access and processing, locating distributed resources, and distributing computations among those resources. We solve these problems by viewing all requests for computations as queries and using a client-server architecture to distribute and access computational resources over a network.

This paper discusses the principles underlying such a system, describes their embodiment in a working implementation, and demonstrates its operation on GIS data.

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matt@cs.wpi.edu / Aug 8, 1996