1500 search results - page 21 / 300 » Query Optimization in Database Grid |
DBISP2P
2005
Springer
13 years 10 months ago
2005
Springer
Abstract. We study the problem of evaluating RDF queries over structured overlay networks. We consider the publish/subscribe scenario where nodes subscribe with long-standing queri...
SIGMOD
2009
ACM
14 years 9 months ago
2009
ACM
Commercial database systems expose query hints to fix poor plans produced by the query optimizer. However, current query hints are not flexible enough to deal with a variety of no...
ICDE
2000
IEEE
14 years 10 months ago
2000
IEEE
Statistics play a key role in influencing the quality of plans chosen by a database query optimizer. In this paper, we identify the statistics that are essential for an optimizer....
SIGKDD
2002
13 years 8 months ago
2002
Inductive databases tightly integrate databases with data mining. The key ideas are that data and patterns (or models) are handled in the same way and that an inductive query lang...
DEXAW
1999
IEEE
14 years 1 months ago
1999
IEEE
This work addresses a problem of optimal query processing in heterogeneous and distributed multidatabase systems. The objective is to nd a method for opimization of global query p...