1183 search results - page 119 / 237 » Exploiting Conceptual Knowledge for Querying Information Sys... |
DASFAA
2007
IEEE
14 years 3 months ago
2007
IEEE
Today, result sets of skyline queries are unmanageable due to their exponential growth with the number of query predicates. In this paper we discuss the incremental re-computation ...
ACL
2008
13 years 10 months ago
2008
Query expansion is an effective technique to improve the performance of information retrieval systems. Although hand-crafted lexical resources, such as WordNet, could provide more...
DASFAA
2009
IEEE
14 years 1 months ago
2009
IEEE
Abstract. Query expansion has received extensive attention in information retrieval community. Although semantic based query expansion appears to be promising in improving retrieva...
IWIA
2006
IEEE
14 years 3 months ago
2006
IEEE
Zero-day attacks, new (anomalous) attacks exploiting previously unknown system vulnerabilities, are a serious threat. Defending against them is no easy task, however. Having ident...
WOWMOM
2006
ACM
14 years 3 months ago
2006
ACM
Delay tolerant and mobile ad hoc networks, present considerable challenges to the development of protocols and systems. In particular, the challenge of being able to cope with the...