1018 search results - page 77 / 204 » On the minimization of XPath queries |
128
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IDEAS
2009
IEEE
14 years 11 months ago
2009
IEEE
We consider the class of database programs and address the problem of minimizing the cost of their exchanges with the database server. This cost partly consists of query execution...
126
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SIGMOD
2000
ACM
15 years 6 months ago
2000
ACM
Continuous queries are persistent queries that allow users to receive new results when they become available. While continuous query systems can transform a passive web into an ac...
VLDB
1989
ACM
15 years 5 months ago
1989
ACM
Conventional approachesto execution of database queries on general purpose multiprocessorsattempt to maximizesystemthroughputusinginter-queryparallelism with a fixed numberof proc...
134
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JACM
2012
13 years 4 months ago
2012
A fundamental problem in data management is to draw and maintain a sample of a large data set, for approximate query answering, selectivity estimation, and query planning. With la...
108
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VLDB
2002
ACM
15 years 1 months ago
2002
ACM
Traditional indexes aim at optimizing the node accesses during query processing, which, however, does not necessarily minimize the total cost due to the possibly large number of r...