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» Improving Web Search Relevance with Semantic Features
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SIGIR
2005
ACM
14 years 2 months ago
Relevance weighting for query independent evidence
A query independent feature, relating perhaps to document content, linkage or usage, can be transformed into a static, per-document relevance weight for use in ranking. The challe...
Nick Craswell, Stephen E. Robertson, Hugo Zaragoza...
MMDB
2003
ACM
94views Multimedia» more  MMDB 2003»
14 years 1 months ago
Improving image retrieval effectiveness via multiple queries
Conventional approaches to image retrieval are based on the assumption that relevant images are physically near the query image in some feature space. This is the basis of the clu...
Xiangyu Jin, James C. French
TRECVID
2007
13 years 9 months ago
PicSOM Experiments in TRECVID 2007
Our experiments in TRECVID 2007 include participation in the high-level feature extraction, search, and video summarization tasks, using a common system framework based on multipl...
Markus Koskela, Mats Sjöberg, Ville Viitaniem...
SEMWEB
2009
Springer
14 years 3 months ago
Investigating the Semantic Gap through Query Log Analysis
Significant efforts have focused in the past years on bringing large amounts of metadata online and the success of these efforts can be seen by the impressive number of web site...
Peter Mika, Edgar Meij, Hugo Zaragoza
MIR
2010
ACM
232views Multimedia» more  MIR 2010»
14 years 3 months ago
Exploiting external knowledge to improve video retrieval
Most video retrieval systems are multimodal, commonly relying on textual information, low- and high-level semantic features extracted from query visual examples. In this work, we ...
David Vallet, Iván Cantador, Joemon M. Jose