5954 search results - page 302 / 1191 » Querying Bi-level Information |
155
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DOLAP
2006
ACM
16 years 22 days ago
2006
ACM
In this paper we perform an extensive theoretical and experimental study on common synopsis construction algorithms, with emphasis on wavelet based techniques, that take under con...
194
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COOPIS
2002
IEEE
15 years 11 months ago
2002
IEEE
Mobile services offering multi-feature query capabilities must meet tough response time requirements to gain customer acceptance. The top-k query model is a popular candidate to im...
143
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CLEF
2001
Springer
15 years 11 months ago
2001
Springer
We present a report on our participation in the English-Dutch bilingual task of the 2001 Cross-Language Evaluation Forum (CLEF). We attempted to demonstrate that good cross languag...
151
Voted
SIGIR
1996
ACM
15 years 11 months ago
1996
ACM
We present a deductive data model for concept-based query expansion. It is based abstraction levels: the conceptual, the expression and the occurrence level. Concepts and their re...
208
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EWDW
1994
15 years 11 months ago
1994
For object-oriented databases we propose a new technique for optimizing queries containing method invocations. This technique is based on the definition of inverse methods and que...