164 search results - page 13 / 33 » Retrieval Effectiveness of Written and Spoken Queries: An Ex... |
SEBD
2000
13 years 8 months ago
2000
Abstract. Content-based image retrieval systems allow the user to interactively search image databases looking for those images which are similar to a specified query image. To thi...
CIKM
2008
Springer
13 years 9 months ago
2008
Springer
Relevance feedback has been demonstrated to be an effective strategy for improving retrieval accuracy. The existing relevance feedback algorithms based on language models and vect...
WEBDB
2005
Springer
14 years 29 days ago
2005
Springer
Querying document-centric XML collections with structure conditions improves retrieval precisions. The structures of such XML collections, however, are often too complex for users...
ICDIM
2007
IEEE
14 years 1 months ago
2007
IEEE
: Some measures such as average precision over all relevant documents and recall level precision are considered as good system-oriented measures, because they concern both precisio...
WSDM
2010
ACM
14 years 4 months ago
2010
ACM
In web search, recency ranking refers to ranking documents by relevance which takes freshness into account. In this paper, we propose a retrieval system which automatically detect...