28 search results - page 3 / 6 » A Robust, Optimization-Based Approach for Approximate Answer... |
VLDB
2007
ACM
14 years 6 months ago
2007
ACM
We present STAR, a self-tuning algorithm that adaptively sets numeric precision constraints to accurately and efficiently answer continuous aggregate queries over distributed data...
ICDE
2006
IEEE
14 years 7 months ago
2006
IEEE
Current approaches for answering queries with imprecise constraints require user-specific distance metrics and importance measures for attributes of interest - metrics that are ha...
SENSYS
2004
ACM
13 years 11 months ago
2004
ACM
Previous approaches for computing duplicate-sensitive aggregates in sensor networks (e.g., in TAG) have used a tree topology, in order to conserve energy and to avoid double-count...
AAAI
2006
13 years 7 months ago
2006
In this paper, we motivate the need for and challenges involved in supporting imprecise queries over Web databases. Then we briefly explain our solution, AIMQ - a domain independe...
SSDBM
2003
IEEE
13 years 11 months ago
2003
IEEE
In many application contexts, like statistical databases, scientific databases, query optimizers, OLAP, and so on, data are often summarized into synopses of aggregate values. Su...