3225 search results - page 196 / 645 » Query Optimization by Stored Queries |
SIGMOD
2001
ACM
14 years 10 months ago
2001
ACM
Estimating the result size of complex queries that involve selection on multiple attributes and the join of several relations is a difficult but fundamental task in database query...
COMAD
2009
13 years 11 months ago
2009
The problem of information integration is discussed in the context of answering a query over the web. Querying the web requires that information from different web and other sourc...
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ICDE
2003
IEEE
14 years 11 months ago
2003
IEEE
The XML Wrapper is a new feature of the federated database capabilities of DB2/UDB v8. It enables users and applications to issue SQL queries against XML data from a variety of so...
FOCS
2000
IEEE
14 years 2 months ago
2000
IEEE
There is an upsurging interest in designing succinct data structures for basic searching problems (see [23] and references therein). The motivation has to be found in the exponent...
WOLLIC
2009
Springer
14 years 4 months ago
2009
Springer
In the recent years, query answering over Description Logic (DL) knowledge bases has been receiving increasing attention, and various methods and techniques have been presented for...