461 search results - page 4 / 93 » A graph-theoretic model for optimizing queries involving met... |
BTW
2007
Springer
14 years 1 months ago
2007
Springer
: Distributed top-k query processing is increasingly becoming an essential functionality in a large number of emerging application classes. This paper addresses the efficient alge...
ER
2004
Springer
14 years 28 days ago
2004
Springer
Searching for similar objects (in terms of near and nearest neighbors) of a given query object from a large set is an essential task in many applications. Recent years have seen g...
WWW
2010
ACM
14 years 2 months ago
2010
ACM
Query suggestion has been an effective approach to help users narrow down to the information they need. However, most of existing studies focused on only popular/head queries. Si...
WWW
2007
ACM
14 years 8 months ago
2007
ACM
Continuous queries are used to monitor changes to time varying data and to provide results useful for online decision making. Typically a user desires to obtain the value of some ...
SIGMOD
1996
ACM
13 years 11 months ago
1996
ACM
Magic sets rewriting is a well-known optimization heuristic for complex decision-support queries. There can be many variants of this rewriting even for a single query, which diffe...