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On real-time distributed geographical database systems

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3 Author(s)
Choy, M. ; Dept. of Comput. Sci., California Univ., Santa Barbara, CA, USA ; Kwan, M.-P. ; Leong, H.V.

Advanced Traveler Information Systems (ATIS) under the Intelligent Vehicle Highway Systems (IVHS) context require efficient information retrieval and updating in a dynamic environment and at different geographical scales. Some problems in ATIS can be solved based on the functionalities provided by GIS systems. However, extra requirements such as real-time response are not readily met in existing GIS systems. We investigate the use of GIS-based systems for applications in ATIS and we propose a new system architecture based on existing GIS technology and distributed computing technology. Issues on data modeling, data representation, storage and retrieval, data aggregation, and parallel processing of online queries in the proposed GIS-based systems are discussed.<>

Published in:

System Sciences, 1994. Proceedings of the Twenty-Seventh Hawaii International Conference on  (Volume:4 )

Date of Conference:

4-7 Jan. 1994