2228 search results - page 234 / 446 » A System for Semantic Query Optimization |
177
Voted
RR
2010
Springer
15 years 1 months ago
2010
Springer
Role-based access control is a standard mechanism in information systems. Based on the role a user has, certain information is kept from the user even if requested. For ontologies ...
144
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ADBIS
2004
Springer
15 years 7 months ago
2004
Springer
Abstract. In concurrent database systems, correctness of update transactions refers to the equivalent effects of the execution schedule and some serial schedule over the same set o...
149
Voted
SAMT
2007
Springer
15 years 9 months ago
2007
Springer
Abstract. This paper presents an approach to semi-automate photo annotation. Instead of using content-recognition techniques this approach leverages context information available a...
115
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PLANX
2007
15 years 4 months ago
2007
Several proposals for updating XML have been introduced. Many of them have a rather complicated semantics due to the interaction of side-effects and updates, and some proposals a...
109
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ESWS
2007
Springer
15 years 9 months ago
2007
Springer
Abstract. This paper presents a minimalist program for RDF, by showing how one can do without several predicates and keywords of the RDF Schema vocabulary, obtaining a simpler lang...