2223 search results - page 241 / 445 » Query Optimization in an OODBMS |
151
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SIGMOD
2002
ACM
16 years 4 months ago
2002
ACM
This paper addresses the problem of evaluating ranked top-? queries with expensive predicates. As major DBMSs now all support expensive user-defined predicates for Boolean queries...
161
Voted
HPDC
2008
IEEE
15 years 11 months ago
2008
IEEE
If the model of free-form queries, which has proved successful for HTML based search on the Web, is made available for Grid services, it will serve as a powerful tool for scientis...
162
Voted
VLDB
2007
ACM
15 years 10 months ago
2007
ACM
This paper describes Continuous Queries (CQ) in Oracle RDBMS, a feature that incorporates stream and complex event processing into an RDBMS, the first such attempt in commercial d...
156
Voted
VLDB
2004
ACM
15 years 10 months ago
2004
ACM
In data stream applications, data arrive continuously and can only be scanned once as the query processor has very limited memory (relative to the size of the stream) to work with...
275
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VLDB
2005
ACM
16 years 4 months ago
2005
ACM
Estimating the selectivity of multidimensional range queries over real valued attributes has significant applications in data exploration and database query optimization. In this p...