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MMDB
2003
ACM
94views Multimedia» more  MMDB 2003»
14 years 2 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
CIKM
2005
Springer
13 years 11 months ago
Fast on-line index construction by geometric partitioning
Inverted index structures are the mainstay of modern text retrieval systems. They can be constructed quickly using off-line mergebased methods, and provide efficient support for ...
Nicholas Lester, Alistair Moffat, Justin Zobel
CIKM
2009
Springer
14 years 3 months ago
Inverted indexes vs. bitmap indexes in decision support systems
Bitmap indexes are widely used in Decision Support Systems (DSSs) to improve query performance. In this paper, we evaluate the use of compressed inverted indexes with adapted quer...
Truls A. Bjørklund, Nils Grimsmo, Johannes ...
CLEF
2007
Springer
14 years 3 months ago
Priberam's Question Answering System in QA@CLEF 2007
This paper accounts for Priberam's participation in the monolingual question answering (QA) track of CLEF 2007. In previous participations, Priberam’s QA system obtained en...
Carlos Amaral, Adán Cassan, Helena Figueira...
SIGIR
1999
ACM
14 years 1 months ago
Content-Based Retrieval Using Heuristic Search
The fast growth of multimedia information in image and video databases has triggered research on efficient retrieval methods. This paper deals with structural queries, a type of c...
Dimitris Papadias, Marios Mantzourogiannis, Panos ...