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Proceedings of Twentieth Euromicro Conference. System Architecture and Integration
In this pupcar, we propose U spaliul q w r v languagt., called GSQL, to hurdle complex spatial olvects such us points, lines, rectangles, or polygons. To implemcvtt the ypatiul operutors such J S nearest, furthest, intersect, CO ver, adjacent-to, end-at, and distance. we present U two-phase query processing technique ionwting of a filter phase urd a refinement phase. The filter phase i s h u e d on spatial owe.$.\ methods. Howewr, the filter phase does not exactlv evtduate the query and yieldsdoi:10.1109/eurmic.1994.390406 fatcat:626igtsxh5gsdhufleqjrnskmq