601 search results - page 22 / 121 » Exploration of query context for information retrieval |
ICEIS
2009
IEEE
14 years 2 months ago
2009
IEEE
In an information retrieval system, a thesaurus can be used for query expansion, i.e. adding words to queries in order to improve recall. We propose a semi-automatic and interactiv...
CIKM
2009
Springer
14 years 2 months ago
2009
Springer
Mining feedback information from user click-through data is an important issue for modern Web retrieval systems in terms of architecture analysis, performance evaluation and algor...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
1 Query-by-example information retrieval provides users a flexible but efficient way to accurately describe their information needs. The query exemplars are usually long and in th...
CIVR
2007
Springer
14 years 1 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...
CIVR
2009
Springer
14 years 2 months ago
2009
Springer
Semantic concept detectors are often individually and independently developed. Using peripherally related concepts for leveraging the power of joint detection, which is referred t...