2342 search results - page 187 / 469 » Information Needs and Automatic Queries |
157
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ICDT
1995
ACM
15 years 10 months ago
1995
ACM
A tuple t1 of relation R subsumes tuple t2 of R, with respect to a query Q if for every database, tuple t1 derives all, and possibly more, answers to query Q than derived by tuple ...
185
Voted
MOBISYS
2008
ACM
16 years 6 months ago
2008
ACM
Cascadia is a system that provides RFID-based pervasive computing applications with an infrastructure for specifying, extracting and managing meaningful high-level events from raw...
170
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CHI
2000
ACM
15 years 11 months ago
2000
ACM
When a novice needs help, often the best solution is to find a human expert who is capable of answering the novice’s questions. But often, novices have difficulty characterizing...
206
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CIKM
2008
Springer
15 years 8 months ago
2008
Springer
The Web contains a large amount of documents and increasingly, also semantic data in the form of RDF triples. Many of these triples are annotations that are associated with docume...
168
Voted
ICEIS
2003
IEEE
16 years 16 hour ago
2003
IEEE
Abstract: The work described in this article arises from two needs. First, there is still a need for providing more sophisticated database systems than just relational ones. Second...