736 search results - page 100 / 148 » Ranking Query Results using Context-Aware Preferences |
ICDE
2010
IEEE
13 years 8 months ago
2010
IEEE
In this paper, we propose the Hybrid-Layer Index (simply, the HL-index) that is designed to answer top-k queries efficiently when the queries are expressed on any arbitrary subset ...
CIKM
2007
Springer
14 years 4 months ago
2007
Springer
Pseudo-relevance feedback, or query expansion, has been shown to improve retrieval performance in the adhoc retrieval task. In such a scenario, a few top-ranked documents are assu...
SIBGRAPI
2008
IEEE
14 years 4 months ago
2008
IEEE
This paper presents a new relevance feedback method for content-based image retrieval using local image features. This method adopts a genetic programming approach to learn user p...
CIKM
2001
Springer
14 years 2 months ago
2001
Springer
Phonetic speech retrieval is used to augment word based retrieval in spoken document retrieval systems, for in and out of vocabulary words. In this paper, we present a new indexin...
WWW
2007
ACM
14 years 10 months ago
2007
ACM
People are thirsty for medical information. Existing Web search engines often cannot handle medical search well because they do not consider its special requirements. Often a medi...