243 search results - page 20 / 49 » Selectivity Estimation for Boolean Queries |
BTW
2007
Springer
15 years 3 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...
101
click to vote
EDBT
2006
ACM
15 years 9 months ago
2006
ACM
Abstract. We consider a collaboration of peers autonomously crawling the Web. A pivotal issue when designing a peer-to-peer (P2P) Web search engine in this environment is query rou...
ECIR
2004
Springer
14 years 11 months ago
2004
Springer
In this paper we combine two existing resource selection approaches, CORI and the decision-theoretic framework (DTF). The state-of-the-art system CORI belongs to the large group of...
165
click to vote
SIGMOD
2007
ACM
15 years 9 months ago
2007
ACM
An emerging challenge in modern distributed querying is to efficiently process multiple continuous aggregation queries simultaneously. Processing each query independently may be i...
173
click to vote
ICDE
2000
IEEE
15 years 11 months ago
2000
IEEE
Analysis of range queries on spatial (multidimensional) data is both important and challenging. Most previous analysis attempts have made certain simplifying assumptions about the...