1529 search results - page 151 / 306 » Querying for meta knowledge |
345
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AMW
2011
14 years 10 months ago
2011
Subqueries are a poweful feature which allows to enforce reuse, composition, rewriting and optimization in a query language. In this paper we perform a comprehensive study of the i...
134
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SEMWEB
2005
Springer
15 years 12 months ago
2005
Springer
Abstract. We introduce a framework, based on logic programming, for preferential reasoning with agents on the Semantic Web. Initially, we encode the knowledge of an agent as a logi...
181
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VLDB
2004
ACM
15 years 11 months ago
2004
ACM
The widespread adoption of XML holds out the promise that document structure can be exploited to specify precise database queries. However, the user may have only a limited knowle...
177
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BMCBI
2008
15 years 6 months ago
2008
Background: The indexing of scientific literature and content is a relevant and contemporary requirement within life science information systems. Navigating information available ...
198
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JSS
2006
15 years 6 months ago
2006
Web and peer-to-peer systems have emerged as popular areas in distributed computing, and their integrated usage permits the benefits of both to be exploited. While much work in th...