2228 search results - page 23 / 446 » A System for Semantic Query Optimization |
169
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BMCBI
2007
15 years 5 months ago
2007
nd: A key abstraction in representing proteomics knowledge is the notion of unique identifiers for individual entities (e.g. proteins) and the massive graph of relationships among...
130
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ICDT
1999
ACM
15 years 10 months ago
1999
ACM
In data integration systems, queries posed to a mediator need to be translated into a sequence of queries to the underlying data sources. In a heterogeneous environment, with sour...
178
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HICSS
2005
IEEE
15 years 11 months ago
2005
IEEE
The Gnutella protocol requires peers to broadcast messages to their neighbours when they search files. The message passing generates a lot of traffic in the network, which degrade...
180
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DPD
1998
15 years 5 months ago
1998
To meet users’ growing needs for accessing pre-existing heterogeneous databases, a multidatabase system (MDBS) integrating multiple databases has attracted many researchers recen...
137
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SEMWEB
2007
Springer
15 years 12 months ago
2007
Springer
Abstract. There is a growing discrepancy between the creation of digital content and its actual employment and usefulness in a learning society. Technologies for recording lectures...