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» Set-based model: a new approach for information retrieval
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SIGIR
2011
ACM
12 years 12 months ago
Faster top-k document retrieval using block-max indexes
Large search engines process thousands of queries per second over billions of documents, making query processing a major performance bottleneck. An important class of optimization...
Shuai Ding, Torsten Suel
INEX
2005
Springer
14 years 2 months ago
INEX 2005 Multimedia Track
In this article the activities of the INEX 2005 Multimedia track are reported. We succesfully realized our objective, to provide an evaluation platform for the evaluation of retrie...
Roelof van Zwol, Gabriella Kazai, Mounia Lalmas
SIGIR
2005
ACM
14 years 2 months ago
A database centric view of semantic image annotation and retrieval
We introduce a new model for semantic annotation and retrieval from image databases. The new model is based on a probabilistic formulation that poses annotation and retrieval as c...
Gustavo Carneiro, Nuno Vasconcelos
INEX
2005
Springer
14 years 2 months ago
Field-Weighted XML Retrieval Based on BM25
This is the first year for the Centre for Interactive Systems Research participation of INEX. Based on a newly developed XML indexing and retrieval system on Okapi, we extend Robe...
Wei Lu, Stephen E. Robertson, Andrew MacFarlane
CLEF
2011
Springer
12 years 9 months ago
Simulation of Within-Session Query Variations Using a Text Segmentation Approach
Abstract. We propose a generative model for automatic query reformulations from an initial query using the underlying subtopic structure of top ranked retrieved documents. We addre...
Debasis Ganguly, Johannes Leveling, Gareth J. F. J...