Taekyung Byun

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In this pupcar, we propose U spaliul qwrv languagt., called GSQL, to hurdle complex spatial olvects such us points, lines, rectangles, or polygons. To implemcvtt the ypatiul operutors such JS nearest, furthest, intersect, CO ver, adjacent-to, end-at, and distance. we present U two-phase query processing technique ionwt ing of a filter phase urd a refinement(More)
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