491 search results - page 97 / 99 » Optimizing complex queries with multiple relation instances |
FAST
2007
13 years 9 months ago
2007
Abstract— Prefetching is a widely used technique in modern data storage systems. We study the most widely used class of prefetching algorithms known as sequential prefetching. Th...
GECCO
2006
Springer
13 years 11 months ago
2006
Springer
The effects of neutrality on evolutionary search have been considered in a number of interesting studies, the results of which, however, have been contradictory. Some researchers ...
SIGMOD
2009
ACM
14 years 7 months ago
2009
ACM
In the rank join problem we are given a relational join R1 1 R2 and a function that assigns numeric scores to the join tuples, and the goal is to return the tuples with the highes...
IPSN
2007
Springer
14 years 1 months ago
2007
Springer
We study the problem of aggregating data from a sparse set of nodes in a wireless sensor network. This is a common situation when a sensor network is deployed to detect relatively...
ICDE
2007
IEEE
14 years 8 months ago
2007
IEEE
It is widely realized that the integration of database and information retrieval techniques will provide users with a wide range of high quality services. In this paper, we study ...