550 search results - page 3 / 110 » An Expressive Language for Linear Spatial Database Queries |
ESWS
2010
Springer
13 years 6 months ago
2010
Springer
Abstract. RDF will often be the metadata model of choice in the Semantic Sensor Web. However, RDF can only represent thematic metadata and needs to be extended if we want to model ...
GIS
1998
ACM
13 years 7 months ago
1998
ACM
Spatial relations are the basis for many selections users perform when they query geographic information systems (GISs). Although such query languages use natural-language-like te...
TOCL
2002
13 years 7 months ago
2002
One important class of spatial database queries is the class of topological queries, that is, queries invariant under homeomorphisms. Westudy topological queries expressible in th...
PODS
2000
ACM
13 years 12 months ago
2000
ACM
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VLDB
2006
ACM
14 years 7 months ago
2006
ACM
CQL, a Continuous Query Language, is supported by the STREAM prototype Data Stream Management System at Stanford. CQL is an expressive SQL-based declarative language for registeri...