2217 search results - page 55 / 444 » Rank-aware Query Optimization |
198
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WWW
2006
ACM
16 years 6 months ago
2006
ACM
We introduce a new, powerful class of text proximity queries: find an instance of a given "answer type" (person, place, distance) near "selector" tokens matchi...
252
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SIGMOD
2009
ACM
16 years 6 months ago
2009
ACM
In this paper, we consider the problem of keyword query cleaning for structured databases from a probabilistic approach. Keyword query cleaning consists of rewriting the user quer...
173
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DEBU
2008
15 years 6 months ago
2008
Query optimization is an inherently complex problem, and validating the correctness and effectiveness of a query optimizer can be a task of comparable complexity. The overall proc...
176
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VISUAL
1999
Springer
15 years 10 months ago
1999
Springer
Abstract. Methods for processing of pictorial queries speci ed by pictorial query trees are presented. Leaves of a pictorial query tree correspond to individual pictorial queries w...
261
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ICDE
2007
IEEE
16 years 7 months ago
2007
IEEE
Skyline query processing has been investigated extensively in recent years, mostly for only one query reference point. An example of a single-source skyline query is to find hotel...