1497 search results - page 209 / 300 » Constraint Databases: A Survey |
164
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ICOODB
2009
15 years 4 months ago
2009
ConceptBase is a deductive object-oriented database system intended for the management of metadata. A distinguishing feature of the Telos language underlying ConceptBase is the abi...
171
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PODS
2008
ACM
16 years 6 months ago
2008
ACM
In the study of data exchange one usually assumes an openworld semantics, making it possible to extend instances of target schemas. An alternative closed-world semantics only move...
187
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GRAPHITE
2003
ACM
15 years 11 months ago
2003
ACM
We consider a repository of animation models and motions that can be reused to generate new animation sequences. For instance, a user can retrieve an animation of a dog kicking it...
199
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FOCS
1998
IEEE
15 years 10 months ago
1998
IEEE
This paper deals with the evaluation of acyclic Boolean conjunctive queries in relational databases. By well-known results of Yannakakis [1981], this problem is solvable in polynom...
206
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BXML
2003
15 years 7 months ago
2003
We present an approach of how to automatically extract an XML document structure from a conceptual data model that describes the content of the document. We use UML class diagrams ...