2043 search results - page 27 / 409 » The Limits of Querying Ontologies |
113
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CORR
2010
Springer
15 years 1 months ago
2010
Springer
Given a point set S and an unknown metric d on S, we study the problem of efficiently partitioning S into k clusters while querying few distances between the points. In our model ...
136
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BMCBI
2007
15 years 1 months ago
2007
Background: Biomedical ontologies are being widely used to annotate biological data in a computer-accessible, consistent and well-defined manner. However, due to their size and co...
145
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TSC
2010
14 years 8 months ago
2010
Data-Providing (DP) services allow query-like access to organizations' data via web services. The invocation of a DP service results in the execution of a query over data sour...
117
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ADBIS
2004
Springer
15 years 6 months ago
2004
Springer
Abstract. Query reformulation techniques based on semantic knowledge have been used in two ways in database management systems, namely for query optimization and for data integrati...
WWW
2006
ACM
16 years 1 months ago
2006
ACM
Abstract. This paper presents Oyster, a Peer-to-Peer system for exchanging ontology metadata among communities in the Semantic Web. We describe how Oyster assists researchers in re...