2845 search results - page 228 / 569 » Constraints over Ontologies |
171
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WIIW
2001
15 years 7 months ago
2001
: Molecular biology data are placed in different databases, repositories and flat files, usually distributed over the web. Distinct data models with schemas that are often changing...
163
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PSSS
2003
15 years 7 months ago
2003
Abstract: We present DLDB, a knowledge base system that extends a relational database management system with additional capabilities for DAML+OIL inference. We discuss a number of ...
137
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TREC
2003
15 years 7 months ago
2003
Many researchers have used lexical networks and ontologies to mitigate synonymy and polysemy problems in Question Answering (QA), systems coupled with taggers, query classifiers,...
149
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SIGIR
2008
ACM
15 years 6 months ago
2008
ACM
Bag-of-visual-words (BoW) has been popular for visual classification in recent years. In this paper, we propose a novel BoW expansion method to alleviate the effect of visual word...
141
Voted
SIGIR
2008
ACM
15 years 6 months ago
2008
ACM
Over the years, the notion of concept relatedness has attracted considerable attention. A variety of approaches, based on ontology structure, information content, association, or ...