Modelling and visualization of spatial data in GISModelling topological spatial relations: Strategies for query processing
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This work was performed while on a leave of absence from Università di L'Aquila, Dipartimento di Ingegneria Elettrica, 67040 Poggio di Roio, L'Aquila, Italy. Eliseo Clementini is partially supported by the Italian National Council of Research (CNR) under Grant No. 92.01574.PF69.
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Max Egenhofer's work is partially supported by NSF Grant No. IRI-9309230, a grant from Intergraph Corporation, a University of Maine Summer Faculty Research Grant, and the NCGIA through NSF Grant No. SBR-8810917.