3969 search results - page 64 / 794 » Query Processing Using Ontologies |
131
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CNL
2009
15 years 3 months ago
2009
Abstract. As it is well-known, querying and managing structured data in natural language is a challenging task due to its ambiguity (syntactic and semantic) and its expressiveness....
142
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ATAL
2008
Springer
15 years 4 months ago
2008
Springer
In order to obtain semantic interoperability in open MultiAgent Systems, agents need to agree on the basis of different ontologies. In this paper we formally define mapping as cor...
152
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DOLAP
2006
ACM
15 years 8 months ago
2006
ACM
One of the most important tasks performed in the early stages of a data warehouse project is the analysis of the structure and content of the existing data sources and their inten...
125
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SEMWEB
2007
Springer
15 years 8 months ago
2007
Springer
SMART (Semantic web information Management with automated Reasoning Tool) is an open-source project, which aims to provide intuitive tools for life scientists for represent, integr...
164
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RR
2010
Springer
15 years 16 days 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 ...