Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/1568
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dc.contributor.authorBenedikt, Michael-
dc.contributor.authorKUIJPERS, Bart-
dc.contributor.authorLödig, Christof-
dc.contributor.authorVAN DEN BUSSCHE, Jan-
dc.contributor.authorWilke, Thomas-
dc.date.accessioned2007-06-01T12:19:09Z-
dc.date.available2007-06-01T12:19:09Z-
dc.date.issued2006-
dc.identifier.citationJOURNAL OF THE ACM, 53(2). p. 273-305-
dc.identifier.issn0004-5411-
dc.identifier.urihttp://hdl.handle.net/1942/1568-
dc.description.abstractPlanar 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.-
dc.language.isoen-
dc.subject.otherlanguages; theory; CONSTRAINT QUERY LANGUAGES; DATABASES; EQUIVALENCE-
dc.titleA characterization of first-order topological properties of planar spatial data-
dc.typeJournal Contribution-
dc.identifier.epage305-
dc.identifier.issue2-
dc.identifier.spage273-
dc.identifier.volume53-
local.bibliographicCitation.jcatA1-
local.type.refereedRefereed-
local.type.specifiedArticle-
dc.bibliographicCitation.oldjcatA1-
dc.identifier.doi10.1145/1131342.1131346-
dc.identifier.isi000237759500004-
item.validationecoom 2007-
item.fulltextNo Fulltext-
item.contributorBenedikt, Michael-
item.contributorKUIJPERS, Bart-
item.contributorLödig, Christof-
item.contributorVAN DEN BUSSCHE, Jan-
item.contributorWilke, Thomas-
item.fullcitationBenedikt, Michael; KUIJPERS, Bart; Lödig, Christof; VAN DEN BUSSCHE, Jan & Wilke, Thomas (2006) A characterization of first-order topological properties of planar spatial data. In: JOURNAL OF THE ACM, 53(2). p. 273-305.-
item.accessRightsClosed Access-
crisitem.journal.issn0004-5411-
crisitem.journal.eissn1557-735X-
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