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Spatio-temporal data types: An approach to modeling and querying moving objects in databases

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dc.contributor.author Erwig, M en
dc.contributor.author Guting, RH en
dc.contributor.author Schneider, M en
dc.contributor.author Vazirgiannis, M en
dc.date.accessioned 2014-03-01T01:48:46Z
dc.date.available 2014-03-01T01:48:46Z
dc.date.issued 1999 en
dc.identifier.issn 13846175 en
dc.identifier.uri http://hdl.handle.net/123456789/25590
dc.subject Algebra en
dc.subject Data modeling en
dc.subject Data types en
dc.subject Moving objects en
dc.subject Query language en
dc.subject Spatio-temporal en
dc.subject.other database en
dc.subject.other modeling en
dc.subject.other spatiotemporal analysis en
dc.title Spatio-temporal data types: An approach to modeling and querying moving objects in databases en
heal.type journalArticle en
heal.identifier.primary 10.1023/A:1009805532638 en
heal.identifier.secondary http://dx.doi.org/10.1023/A:1009805532638 en
heal.publicationDate 1999 en
heal.abstract Spatio-temporal databases deal with geometries changing over time. In general, geometries cannot only change in discrete steps, but continuously, and we are talking about moving objects. If only the position in space of an object is relevant, then moving point is a basic abstraction; if also the extent is of interest, then the moving region abstraction captures moving as well as growing or shrinking regions. We propose a new line of research where moving points and moving regions are viewed as 3-D (2-D space + time) or higher-dimensional entities whose structure and behavior is captured by modeling them as abstract data types. Such types can be integrated as base (attribute) data types into relational, object-oriented, or other DBMS data models; they can be implemented as data blades, cartridges, etc. for extensible DBMSs. We expect these spatio-temporal data types to play a similarly fundamental role for spatio-temporal databases as spatial data types have played for spatial databases. The paper explains the approach and discusses several fundamental issues and questions related to it that need to be clarified before delving into specific designs of spatio-temporal algebras. en
heal.journalName GeoInformatica en
dc.identifier.doi 10.1023/A:1009805532638 en
dc.identifier.volume 3 en
dc.identifier.issue 3 en
dc.identifier.spage 269 en
dc.identifier.epage 296 en


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