101 search results - page 7 / 21 » Consistent query answering under inclusion dependencies |
161
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PODS
2005
ACM
16 years 5 months ago
2005
ACM
Abstract. We present a semantics and answer set programs for relational peer data exchange systems. When a peer answers a query, it exchanges data with other peers in order to supp...
157
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SIGMOD
2003
ACM
16 years 5 months ago
2003
ACM
We propose a framework for integrating data from multiple relational sources into an XML document that both conforms to a given DTD and satisfies predefined XML constraints. The f...
143
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AAAI
2007
15 years 7 months ago
2007
The Closed-World Assumption (CWA) on databases expresses that an atom not in the database is false. A more appropriate assumption for databases that are sound but partially incomp...
161
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JIIS
2006
15 years 5 months ago
2006
Abstract In recent years, researchers have begun to study inductive databases, a new generation of databases for leveraging decision support applications. In this context, the user...
193
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PODS
1999
ACM
15 years 9 months ago
1999
ACM
Semistructured data occur in situations where information lacks a homogeneous structure and is incomplete. Yet, up to now the incompleteness of information has not been re ected b...