2718 search results - page 262 / 544 » Querying the deep web |
275
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SIGMOD
2008
ACM
16 years 6 months ago
2008
ACM
Snippets are used by almost every text search engine to complement ranking scheme in order to effectively handle user searches, which are inherently ambiguous and whose relevance ...
190
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CBMS
2006
IEEE
16 years 23 days ago
2006
IEEE
— Most biomedical research databases contain considerable amounts of time-oriented data. However, temporal knowledge about the contextual meaning of such data is not usually repr...
164
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SEMWEB
2004
Springer
16 years 2 days ago
2004
Springer
Both OWL-DL and function-free Horn rules3 are decidable logics with interesting, yet orthogonal expressive power: from the rules perspective, OWL-DL is restricted to tree-like rule...
198
Voted
MDM
2009
Springer
15 years 11 months ago
2009
Springer
Context-awareness has become a desired key feature of today’s mobile systems, yet, its realization still remains a challenge. On the one hand, mobile computing provides great po...
198
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SIGMOD
1998
ACM
15 years 11 months ago
1998
ACM
Most databases contain “name constants” like course numbers, personal names, and place names that correspond to entities in the real world. Previous work in integration of het...