5954 search results - page 170 / 1191 » Querying Bi-level Information |
173
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PODS
2010
ACM
15 years 11 months ago
2010
ACM
Both semantic and type-based query optimization rely on the idea that queries often exhibit non-trivial rewritings if the state space of the database is restricted. Despite their ...
144
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DOOD
1995
Springer
15 years 9 months ago
1995
Springer
Wrappers provide access to heterogeneous information sources by converting application queries into source speci c queries or commands. In this paper we present a wrapper implemen...
190
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VIS
2009
IEEE
16 years 7 months ago
2009
IEEE
concept form search query vision confirm consensus refine search query graphics VIE-designer image objects image objects Visual Sign (VIE) run search query words images Iconizer:...
160
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SIGMOD
1999
ACM
15 years 10 months ago
1999
ACM
The database query optimizer requires the estimation of the query selectivity to find the most efficient access plan. For queries referencing multiple attributes from the same rel...
215
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VLDB
1997
ACM
15 years 10 months ago
1997
ACM
Spatial data mining, i.e., discovery of interesting characteristics and patterns that may implicitly exist in spatial databases, is a challenging task due to the huge amounts of s...