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» A Language Modeling Approach to Information Retrieval
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SIGIR
2003
ACM
14 years 2 months ago
Beyond independent relevance: methods and evaluation metrics for subtopic retrieval
We present a non-traditional retrieval problem we call subtopic retrieval. The subtopic retrieval problem is concerned with finding documents that cover many different subtopics ...
ChengXiang Zhai, William W. Cohen, John D. Laffert...
CLEF
2006
Springer
14 years 23 days ago
A High Precision Information Retrieval Method for WiQA
This paper presents Wolverhampton University's participation in the WiQA competition. The method chosen for this task combines a high precision, but low recall information re...
Constantin Orasan, Georgiana Puscasu
IR
2010
13 years 7 months ago
Adapting boosting for information retrieval measures
Abstract We present a new ranking algorithm that combines the strengths of two previous methods: boosted tree classification, and LambdaRank, which has been shown to be empiricall...
Qiang Wu, Christopher J. C. Burges, Krysta Marie S...
NIPS
2004
13 years 10 months ago
Exponential Family Harmoniums with an Application to Information Retrieval
Directed graphical models with one layer of observed random variables and one or more layers of hidden random variables have been the dominant modelling paradigm in many research ...
Max Welling, Michal Rosen-Zvi, Geoffrey E. Hinton
CLEF
2004
Springer
14 years 2 months ago
University of Chicago at CLEF2004: Cross-Language Text and Spoken Document Retrieval
The University of Chicago participated in the Cross-Language Evaluation Forum 2004 (CLEF2004) cross-language multilingual, bilingual, and spoken language tracks. Cross-language exp...
Gina-Anne Levow, Irina Matveeva