716 search results - page 57 / 144 » Optimizing Queries in Extended Relational Databases |
169
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ICDE
2008
IEEE
16 years 19 days ago
2008
IEEE
In this paper, we address the problem of extending a relational database system to facilitate efficient real-time application of dynamic probabilistic models to streaming data. he ...
VLDB
1998
ACM
15 years 3 months ago
1998
ACM
In a recent paper, we proposed adding a STOP AFTER clause to SQL to permit the cardinality of a query result to be explicitly limited by query writers and query tools. We demonstr...
CIKM
1999
Springer
15 years 3 months ago
1999
Springer
We present the architecture and a performance assessment of an extensible query optimizer written in Venus. Venus is a general-purpose active-database rule language embedded in C+...
169
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ICDE
1999
IEEE
16 years 18 days ago
1999
IEEE
We develop a data integration approach for the efficient evaluation of queries over autonomous source databases. The approach is based on some novel applications and extensions of...
SEMWEB
2005
Springer
15 years 4 months ago
2005
Springer
Semantic query optimization (SQO) has been proved to be quite useful in various applications (e.g., data integration, graphical query generators, caching, etc.) and has been extens...