1059 search results - page 66 / 212 » Improving Semantic Query Answering |
170
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DEBU
2010
15 years 6 months ago
2010
Consider a universe of tokens, each of which is associated with a weight, and a database consisting of strings that can be represented as subsets of these tokens. Given a query st...
143
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WWW
2003
ACM
16 years 6 months ago
2003
ACM
This paper focuses on the optimization of the navigation through voluminous subsumption hierarchies of topics employed by Portal Catalogs like Netscape Open Directory (ODP). We ad...
157
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CAISE
2006
Springer
15 years 9 months ago
2006
Springer
One important task of semantic web portals is to offer both end users and applications a seamless access to knowledge contained in heterogeneous data sources in specific user commu...
170
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DBISP2P
2003
Springer
15 years 11 months ago
2003
Springer
In this paper we give a robust logical and computational characterisation of peer-to-peer (p2p) database systems. We first define a precise model-theoretic semantics of a p2p sys...
185
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ADBIS
2007
Springer
16 years 7 days ago
2007
Springer
The exponential growth of the web and the extended use of database management systems in widely distributed information systems has brought to the fore the need for seamless interc...