Sciweavers

2091 search results - page 129 / 419
» Time, Relevance and Interaction Modelling for Information Re...
Sort
View
CIKM
2009
Springer
15 years 10 months 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»
15 years 6 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»
15 years 6 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
15 years 3 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»
15 years 6 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