2342 search results - page 131 / 469 » Information Needs and Automatic Queries |
259
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VLDB
2001
ACM
16 years 6 months ago
2001
ACM
Abstract In this paper we present a mechanism for approximately translating Boolean query constraints across heterogeneous information sources. Achieving the best translation is ch...
189
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ICDE
2009
IEEE
16 years 1 months ago
2009
IEEE
— A paramount challenge in probabilistic databases is the scalable computation of confidences of tuples in query results. This paper introduces an efficient secondary-storage o...
153
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IDEAS
2005
IEEE
15 years 12 months ago
2005
IEEE
Traditional approaches to query processing aim at rewriting a given query into another more efficient one that uses less time and/or resources during the execution. There by, the...
170
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KRDB
1998
15 years 7 months ago
1998
We present a semantic caching approach for optimizing the performance of information mediators. A critical problem with information mediators, particularly those gathering and int...
161
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SMC
2007
IEEE
16 years 16 days ago
2007
IEEE
— This paper presents the prototype of an expert peering system for information exchange in the knowledge society. Our system realizes an intelligent, real-time search engine for...