5284 search results - page 595 / 1057 » Ontologizing Semantic Relations |
204
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IJIIDS
2010
15 years 1 months ago
2010
Abstract. This paper presents the semantics of database mappings in the relational database (DB) category, based on the power-view monad T and monadic algebras. The semantics can b...
228
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APLAS
2010
ACM
15 years 7 months ago
2010
ACM
We consider the problem of specifying data structures with complex sharing in a manner that is both declarative and results in provably correct code. In our approach, abstract data...
180
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PODS
2006
ACM
16 years 7 months ago
2006
ACM
Query containment is a fundamental algorithmic problem in database query processing and optimization. Under set semantics, the query-containment problem for conjunctive queries ha...
179
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SEMWEB
2009
Springer
16 years 1 months ago
2009
Springer
In this paper, we present PelletSpatial, a qualitative spatial reasoning engine implemented on top of Pellet. PelletSpatial provides consistency checking and query answering over s...
198
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ESWS
2007
Springer
16 years 1 months ago
2007
Springer
Abstract. From a theoretical point of view, the Semantic Web is understood in terms of a stack with RDF being one of its layers. A Semantic Web application operates on the common d...