491 search results - page 19 / 99 » Optimizing Large OODB Queries |
SIGMOD
2003
ACM
14 years 7 months ago
2003
ACM
A query optimizer compares alternative plans in its search space to find the best plan for a given query. Depending on the search space and the enumeration algorithm, optimizers v...
VLDB
2008
ACM
14 years 8 months ago
2008
ACM
Several variations of nearest neighbor (NN) query have been investigated by the database community. However, realworld applications often result in the formulation of new variatio...
DBISP2P
2004
Springer
14 years 1 months ago
2004
Springer
Peer-to-Peer infrastructures are emerging as one of the important data management infrastructures in the World Wide Web. So far, however, most work has focused on simple P2P networ...
VLDB
1998
ACM
13 years 12 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...
ICDE
2007
IEEE
14 years 9 months ago
2007
IEEE
Linear optimization queries retrieve the top-K tuples in a sliding window of a data stream that maximize/minimize the linearly weighted sums of certain attribute values. To effici...