109 search results - page 8 / 22 » Exploiting Conjunctive Queries in Description Logic Programs |
105
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SEBD
2007
15 years 1 months ago
2007
The use of ontologies in various application domains, such as Data Integration, the Semantic Web, or ontology-based data management, where ontologies provide the access to large am...
DLOG
2007
15 years 2 months ago
2007
We present a query answering technique based on notions and results from modal Correspondence Theory. It allows us to answer a wide family of conjunctive queries by polynomial redu...
103
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PODS
2000
ACM
15 years 4 months ago
2000
ACM
The problem of query containment is fundamental to many aspects of database systems, including query optimization, determining independence of queries from updates, and rewriting ...
119
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CSCLP
2004
Springer
15 years 5 months ago
2004
Springer
We introduce a framework for studying and solving a class of CSP formulations. The framework allows constraints to be expressed as linear and nonlinear equations, then compiles th...
120
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JAR
2007
14 years 11 months ago
2007
As applications of description logics proliferate, efficient reasoning with knowledge bases containing many assertions becomes ever more important. For such cases, we developed a n...