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AAAI
2007
15 years 6 months ago
Aggregating User-Centered Rankings to Improve Web Search
This paper is to investigate rank aggregation based on multiple user-centered measures in the context of the web search. We introduce a set of techniques to combine ranking lists ...
Lin Li, Zhenglu Yang, Masaru Kitsuregawa
138
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ECIR
2010
Springer
15 years 5 months ago
Predicting Query Performance via Classification
We investigate using topic prediction data, as a summary of document content, to compute measures of search result quality. Unlike existing quality measures such as query clarity t...
Kevyn Collins-Thompson, Paul N. Bennett
122
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IPM
2006
151views more  IPM 2006»
15 years 3 months ago
Document clustering using nonnegative matrix factorization
A methodology for automatically identifying and clustering semantic features or topics in a heterogeneous text collection is presented. Textual data is encoded using a low rank no...
Farial Shahnaz, Michael W. Berry, V. Paul Pauca, R...
122
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PSYCHNOLOGY
2006
81views more  PSYCHNOLOGY 2006»
15 years 3 months ago
An investigation into Older People's Browsing Activities
This paper presents quantitative data on browsing activities with 63 respondents aged 55 years old and over from three countries. The questionnaire explored frequently browsed top...
Prush Sa-nga-ngam, Sri Kurniawan
CORR
2010
Springer
183views Education» more  CORR 2010»
15 years 2 months ago
Discovering shared and individual latent structure in multiple time series
This paper proposes a nonparametric Bayesian method for exploratory data analysis and feature construction in continuous time series. Our method focuses on understanding shared fe...
Suchi Saria, Daphne Koller, Anna Penn