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» UFRGS@CLEF2009: Retrieval by Numbers
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SIGIR
2004
ACM
15 years 2 months ago
A two-stage mixture model for pseudo feedback
Pseudo feedback is a commonly used technique to improve information retrieval performance. It assumes a few top-ranked documents to be relevant, and learns from them to improve th...
Tao Tao, ChengXiang Zhai
CVPR
2004
IEEE
15 years 11 months ago
Random Sampling Based SVM for Relevance Feedback Image Retrieval
Relevance feedback (RF) schemes based on support vector machine (SVM) have been widely used in content-based image retrieval. However, the performance of SVM based RF is often poo...
Dacheng Tao, Xiaoou Tang
ECIR
2008
Springer
14 years 11 months ago
Evaluating Paragraph Retrieval for
Abstract. We implemented a baseline approach to why-question answering based on paragraph retrieval. Our implementation incorporates the QAP ranking algorithm with addition of a nu...
Suzan Verberne, Lou Boves, Nelleke Oostdijk, Peter...
ICMCS
2006
IEEE
121views Multimedia» more  ICMCS 2006»
15 years 3 months ago
Sampling Strategies for Active Learning in Personal Photo Retrieval
With the advent and proliferation of digital cameras and computers, the number of digital photos created and stored by consumers has grown extremely large. This created increasing...
Yi Wu, Igor Kozintsev, Jean-Yves Bouguet, Carole D...
ECIR
2007
Springer
14 years 11 months ago
Using Topic Shifts for Focussed Access to XML Repositories
Abstract. In focussed XML retrieval, a retrieval unit is an XML element that not only contains information relevant to a user query, but also is specific to the query. INEX defin...
Elham Ashoori, Mounia Lalmas