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CIKM
2009
Springer
14 years 4 days ago
Empirical justification of the gain and discount function for nDCG
The nDCG measure has proven to be a popular measure of retrieval effectiveness utilizing graded relevance judgments. However, a number of different instantiations of nDCG exist, d...
Evangelos Kanoulas, Javed A. Aslam
TITB
2008
111views more  TITB 2008»
13 years 8 months ago
A Spine X-Ray Image Retrieval System Using Partial Shape Matching
In recent years, there has been a rapid increase in the size and number of medical image collections. Thus, the development of appropriate methods for medical information retrieval...
Xiaoqian Xu, Dah-Jye Lee, Sameer Antani, L. Rodney...
DSS
2007
96views more  DSS 2007»
13 years 8 months ago
Factors relating to the decision to click on a sponsored link
In this paper, we report results of an investigation into the factors influencing the selection of sponsored links by e-commerce Web searchers. In this research, 56 participants e...
Bernard J. Jansen, Anna Brown, Marc Resnick
IR
2010
13 years 5 months ago
Statistical query expansion for sentence retrieval and its effects on weak and strong queries
The retrieval of sentences that are relevant to a given information need is a challenging passage retrieval task. In this context, the well-known vocabulary mismatch problem arises...
David E. Losada
JCISE
2002
129views more  JCISE 2002»
13 years 7 months ago
Modeling Information Needs in Engineering Databases Using Tacit Knowledge
Online resources of engineering design information are a critical resource for practicing engineers. These online resources often contain references and content associated with te...
Shuang Song, Andy Dong, Alice M. Agogino