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JCDL
2010
ACM
259views Education» more  JCDL 2010»
15 years 11 months ago
Exploiting time-based synonyms in searching document archives
Query expansion of named entities can be employed in order to increase the retrieval effectiveness. A peculiarity of named entities compared to other vocabulary terms is that they...
Nattiya Kanhabua, Kjetil Nørvåg
CLEF
2008
Springer
15 years 8 months ago
GeoCLEF 2008: The CLEF 2008 Cross-Language Geographic Information Retrieval Track Overview
GeoCLEF is an evaluation initiative for testing queries with a geographic specification in large set of text documents. GeoCLEF ran a regular track for the third time within the C...
Thomas Mandl, Paula Carvalho, Giorgio Maria Di Nun...
CVPR
2009
IEEE
1010views Computer Vision» more  CVPR 2009»
17 years 1 months ago
A Family of Contextual Measures of Similarity between Distributions with Application to Image Retrieval
During this talk, I will introduce a novel family of contextual measures of similarity between distributions: the similarity between two distributions q and p is measured in the co...
Florent Perronnin (Xerox Research Centre Europe), ...
SIGIR
2005
ACM
16 years 21 hour ago
Gravitation-based model for information retrieval
This paper proposes GBM (gravitation-based model), a physical model for information retrieval inspired by Newton’s theory of gravitation. A mapping is built in this model from c...
Shuming Shi, Ji-Rong Wen, Qing Yu, Ruihua Song, We...
SIGIR
2005
ACM
16 years 21 hour ago
Active feedback in ad hoc information retrieval
Information retrieval is, in general, an iterative search process, in which the user often has several interactions with a retrieval system for an information need. The retrieval ...
Xuehua Shen, ChengXiang Zhai