3836 search results - page 129 / 768 » Semantics of Database Transformations |
122
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PODS
2006
ACM
16 years 3 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...
127
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FMOODS
2006
15 years 5 months ago
2006
Abstract. With model-driven development being on the verge of becoming an industrial standard, the need for systematic development strategies based on safe model transformations is...
124
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VLDB
1991
ACM
15 years 7 months ago
1991
ACM
A model capturing the data manipulation capabilities of a large class of methods in ohjectoriented databases is proposed and investsigated. The model uses a deterministic, paralle...
142
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APSEC
2005
IEEE
15 years 9 months ago
2005
IEEE
Started in the beginning of 2001, the Semantic Web is regarded by many as the next generation of the Web. Ontology languages are the building blocks of Semantic Web as they provid...
148
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DLOG
2007
15 years 5 months ago
2007
Distributed Description Logics (DDLs) is a KR formalism that enables reasoning with multiple ontologies interconnected by directional semantic mapping (bridge rules). DDLs capture ...