157 search results - page 18 / 32 » A Conjunctive Query Language for Description Logic Aboxes |
163
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AI
2010
Springer
15 years 4 months ago
2010
Springer
We develop a formal framework for comparing different versions of ontologies, and apply it to ontologies formulated in terms of DL-Lite, a family of `lightweight' description...
134
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ECAI
1998
Springer
15 years 7 months ago
1998
Springer
Abstract. We extend different Description Logics by concrete domains (such as integers and reals) and by aggregation functions over these domains (such as min;max;count;sum), which...
143
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OTM
2007
Springer
15 years 10 months ago
2007
Springer
Practical scalability of Description Logic (DL) reasoning is an important premise for the adoption of OWL in a real-world setting. Many highly efficient optimizations for the DL ta...
160
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SAC
2010
ACM
15 years 11 months ago
2010
ACM
Extensive research activities are recently directed towards the Semantic Web as a future form of the Web. Consequently, Web search as the key technology of the Web is evolving tow...
133
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ANLP
1992
15 years 5 months ago
1992
This paper briefly describes the current implementation status of an intelligent information retrieval system, MARIE, that employs natural language processing techniques. Descript...