698 search results - page 66 / 140 » Comparing Weighting Models for Monolingual Information Retri... |
CIKM
2003
Springer
14 years 1 months ago
2003
Springer
We explore the relationship between time and relevance using TREC ad-hoc queries. A type of query is identified that favors very recent documents. We propose a time-based language...
SIGIR
2010
ACM
13 years 12 months ago
2010
ACM
Pseudo-relevance feedback is an effective technique for improving retrieval results. Traditional feedback algorithms use a whole feedback document as a unit to extract words for ...
DICTA
2009
13 years 9 months ago
2009
Abstract--Context plays a valuable role in any image understanding task confirmed by numerous studies which have shown the importance of contextual information in computer vision t...
WWW
2008
ACM
14 years 8 months ago
2008
ACM
As opposed to representing a document as a "bag of words" in most information retrieval applications, we propose a model of representing a web page as sets of named enti...
CIVR
2007
Springer
14 years 2 months ago
2007
Springer
Near-duplicate keyframes (NDK) play a unique role in large-scale video search, news topic detection and tracking. In this paper, we propose a novel NDK retrieval approach by explo...