6004 search results - page 142 / 1201 » Parallelizing query optimization |
WIOPT
2006
IEEE
14 years 4 months ago
2006
IEEE
We consider the problem of optimizing the number of replicas for event information in wireless sensor networks, when queries are disseminated using expanding rings. We obtain clos...
ICDE
2002
IEEE
2002
IEEE
Design and Evaluation of Alternative Selection Placement Strategies in Optimizing Continuous Queries
14 years 11 months ago
In this paper, we design and evaluate alternative selection placement strategies for optimizing a very large number of continuous queries in an Internet environment. Two grouping ...
SIGMOD
2005
ACM
14 years 3 months ago
2005
ACM
Recursion represents an important addition to the SQL language. This work focuses on the optimization of linear requeries in SQL. To provide an abstract framework for discussion, ...
OTM
2005
Springer
14 years 3 months ago
2005
Springer
Abstract. Caching can highly improve performance of query processing in distributed databases. In this paper we show how this technique can be used in grid architecture where data ...
DBPL
2001
Springer
14 years 2 months ago
2001
Springer
Abstract. We are interested in the theoretical foundations of the optimization of conjunctive regular path queries (CRPQs). The basic problem here is deciding query containment bot...