A characterization of first-order topological properties of planar spatial data


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Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/1568

Title:	A characterization of first-order topological properties of planar spatial data
Authors:	Benedikt, Michael KUIJPERS, Bart Lödig, Christof VAN DEN BUSSCHE, Jan Wilke, Thomas
Issue Date:	2006
Citation:	JOURNAL OF THE ACM, 53(2). p. 273-305
Abstract:	Planar spatial datasets can be modeled by closed semi-algebraic sets in the plane. We establish a characterization of the topological properties of such datasets expressible in the relational calculus with real polynomial constraints. The characterization is in the form of a query language that can only point that can only talk about points in the set and the "cones" around these points.
URI:	http://hdl.handle.net/1942/1568
DOI:	10.1145/1131342.1131346
ISI #:	000237759500004
ISSN:	0004-5411
Category:	A1
Type:	Journal Contribution
Validation:	ecoom, 2007
Appears in Collections:	Research publications

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