2223 search results - page 37 / 445 » Query Optimization in an OODBMS |
IS
2002
14 years 11 months ago
2002
In this paper, we explore the possibility of transforming queries with minimum and maximum predicates into equivalent queries that can be computed more efficiently. The main contr...
117
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DASFAA
2007
IEEE
15 years 6 months ago
2007
IEEE
Abstract. In this paper, we explore the feature of sharing partial results of multiple queries to reduce the total number of messages incurred. Those queries sharing their partial ...
114
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DASFAA
2007
IEEE
15 years 6 months ago
2007
IEEE
With the increasing in demand on location-based aware services and RFIDs, efficient processing of continuous queries over moving object streams becomes important. In this paper, w...
DASFAA
2004
IEEE
15 years 3 months ago
2004
IEEE
Iceberg queries are a special case of SQL queries involving GROUP BY and HAVING clauses, wherein the answer set is small relative to the database size. We present here a performanc...
125
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CIKM
2011
Springer
13 years 11 months ago
2011
Springer
A continuous top-k query retrieves the k most preferred objects in a data stream according to a given preference function. These queries are important for a broad spectrum of appl...