7576 search results - page 129 / 1516 » On Querying Ontologies and Databases |
173
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WWW
2009
ACM
16 years 6 months ago
2009
ACM
To deal with the problem of empty or too little answers returned from a Web database in response to a user query, this paper proposes a novel approach to provide relevant and rank...
254
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ICDT
2009
ACM
16 years 6 months ago
2009
ACM
This article deals with consistent query answering to conjunctive queries under primary key constraints. The repairs of an inconsistent database db are obtained by selecting a max...
142
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OTM
2005
Springer
15 years 11 months ago
2005
Springer
Annotation with security-related metadata enables discovery of resources that meet security requirements. This paper presents the NRL Security Ontology, which complements existing ...
358
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DLOG
2011
14 years 9 months ago
2011
In this paper we present a formal framework and tool supporting the user in the task of formulating a precise query – which best captures their information needs – even in the ...
208
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BMCBI
2007
15 years 6 months ago
2007
Background: Neuroscientists often need to access a wide range of data sets distributed over the Internet. These data sets, however, are typically neither integrated nor interopera...