651 search results - page 2 / 131 » Algebraic Query Optimization for Distributed Top-k Queries |
SIGMOD
2003
ACM
14 years 5 months ago
2003
ACM
The querying and analysis of data streams has been a topic of much recent interest, motivated by applications from the fields of networking, web usage analysis, sensor instrumenta...
ICDE
2005
IEEE
13 years 11 months ago
2005
IEEE
Processing of top-k queries has been attracting considerable attention. Much of the work assumes distributed data, with each site holding a different set of attributes for the sam...
COOPIS
2002
IEEE
13 years 10 months ago
2002
IEEE
Mobile services offering multi-feature query capabilities must meet tough response time requirements to gain customer acceptance. The top-k query model is a popular candidate to im...
ICDE
2008
IEEE
14 years 6 months ago
2008
IEEE
Given a record set D and a query score function F, a top-k query returns k records from D, whose values of function F on their attributes are the highest. In this paper, we investi...
WWW
2006
ACM
14 years 6 months ago
2006
ACM
An important issue arising from Peer-to-Peer applications is how to accurately and efficiently retrieve a set of K best matching data objects from different sources while minimizi...