2223 search results - page 161 / 445 » Query Optimization in an OODBMS |
135
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DEXA
2008
Springer
15 years 5 months ago
2008
Springer
The query performance for tracing tags depends upon the distribution of tag trajectories in the data space. We examine a more efficient representation of tag trajectories by means ...
227
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ICDE
2002
IEEE
16 years 5 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...
212
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ICDE
2000
IEEE
16 years 5 months ago
2000
IEEE
Execution plans produced by traditional query optimizers for data integration queries may yield poor performance for several reasons. The cost estimates may be inaccurate, the mem...
136
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ICDE
2007
IEEE
15 years 10 months ago
2007
IEEE
The ability to query data streams is of increasing importance and has been identified as a crucial element for modern organizations and agencies. This paper identifies a class o...
131
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ECTEL
2007
Springer
15 years 10 months ago
2007
Springer
While the growing number of learning resources increases the choice for learners, it also makes it more and more difficult to find suitable courses. Thus, improved search capabili...