2228 search results - page 205 / 446 » A System for Semantic Query Optimization |
133
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SIGMOD
2004
ACM
16 years 3 months ago
2004
ACM
Dynamic plan migration is concerned with the on-the-fly transition from one continuous query plan to a semantically equivalent yet more efficient plan. Migration is important for ...
217
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ICDE
2002
IEEE
16 years 4 months ago
2002
IEEE
Modern relational database systems are beginning to support ad hoc queries on mining models. In this paper, we explore novel techniques for optimizing queries that apply mining mo...
218
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SIGMOD
2008
ACM
16 years 3 months ago
2008
ACM
We study the problem of querying relational data embedded in XML. Relational data can be represented by various tree structures in XML. However, current XML query methods, such as...
159
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CLEF
2009
Springer
15 years 4 months ago
2009
Springer
In this study, we describe our system at the Intellectual Property track of the 2009 CrossLanguage Evaluation Forum campaign (CLEF-IP). The CLEF-IP track addressed prior art searc...
147
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SIGMOD
2006
ACM
15 years 9 months ago
2006
ACM
Although approximate query processing is a prominent way to cope with the requirements of data analysis applications, current database systems do not provide integrated and compre...