726 search results - page 9 / 146 » Extended Query Answering Using Integrity Rules |
109
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COMPSAC
1996
IEEE
15 years 5 months ago
1996
IEEE
We present the architecture and design details of a logic database system that extends functionality in a number of ways. The system supports indefinite (non-Horn) facts in extens...
102
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PADL
2010
Springer
15 years 10 months ago
2010
Springer
Abstract. Ontologies and rules are usually loosely coupled in knowledge representation formalisms. In fact, ontologies use open-world reasoning while the leading semantics for rule...
148
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CORR
2011
Springer
14 years 8 months ago
2011
Springer
Ontologies and rules are usually loosely coupled in knowledge representation formalisms. In fact, ontologies use open-world reasoning while the leading semantics for rules use non...
ICDT
2007
ACM
15 years 7 months ago
2007
ACM
Abstract. We define and study formal privacy guarantees for information integration systems, where sources are related to a public schema by mappings given by source-to-target dep...
105
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CIKM
2004
Springer
15 years 6 months ago
2004
Springer
We study the representation, derivation and utilization of a special kind of constraints in multidatabase systems. A major challenge is when component database schemas are schemat...