297 search results - page 46 / 60 » On the Decidability of Consistent Query Answering |
ISCAS
2003
IEEE
15 years 5 months ago
2003
IEEE
In this paper, we present a precise characterization of the existence of a convergent transfer subgraph in an edge colored directed acyclic graph. Based on the characterization, l...
CORR
2007
Springer
14 years 11 months ago
2007
Springer
Recently, there has been a lot of interest in the integration of Description Logics and rules on the Semantic Web. We define guarded hybrid knowledge bases (or g-hybrid knowledge...
73
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SEMWEB
2009
Springer
15 years 6 months ago
2009
Springer
A modelling procedure consists of a sequence of modelling tasks. With the increasing size of models during the development, the relations among modelling objects and their correspo...
110
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FQAS
2004
Springer
15 years 3 months ago
2004
Springer
In the context of relational as well as deductive databases, correct and efficient integrity checking is a crucial issue, as, without any guarantee of data consistency, the answers...
111
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OTM
2010
Springer
14 years 9 months ago
2010
Springer
In the last years the user information seeking process on the Web has shifted from document search to object search. Hence, the answers provided by Web search engines cannot consis...