5166 search results - page 331 / 1034 » Web Query Optimizer |
239
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ICDE
2012
IEEE
13 years 9 months ago
2012
IEEE
— Accurate query performance prediction (QPP) is central to effective resource management, query optimization and query scheduling. Analytical cost models, used in current genera...
199
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SIGIR
2008
ACM
15 years 6 months ago
2008
ACM
This paper addresses the issue of query refinement, which involves reformulating ill-formed search queries in order to enhance relevance of search results. Query refinement typica...
163
Voted
ICMCS
2005
IEEE
16 years 8 days ago
2005
IEEE
This paper describes a novel approach to the presentation of results from web-search by utilizing the semantic correlations amongst the retrieved results as well as their spatio-t...
187
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ESWS
2005
Springer
16 years 6 days ago
2005
Springer
As semantic markup becomes ubiquitous, it will become important to be able to ask queries and obtain answers, using natural language (NL) expressions, rather than the keyword-based...
153
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VLDB
1991
ACM
15 years 10 months ago
1991
ACM
We explore the implications of supporting bags (i.e. multisets) in a data model and associated query language, and present some formal results concerned with the algebraic propert...