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SIGIR
2002
ACM
14 years 10 months ago
Risk minimization and language modeling in text retrieval dissertation abstract
tion Abstract ChengXiang Zhai (Advisor: John Lafferty) Language Technologies Institute School of Computer Science Carnegie Mellon University With the dramatic increase in online in...
ChengXiang Zhai
INEX
2005
Springer
15 years 4 months ago
INEX 2005 Multimedia Track
In this article the activities of the INEX 2005 Multimedia track are reported. We succesfully realized our objective, to provide an evaluation platform for the evaluation of retrie...
Roelof van Zwol, Gabriella Kazai, Mounia Lalmas
ICTAI
2003
IEEE
15 years 4 months ago
Query Expansion and Query Reduction in Document Retrieval
We investigate two seemingly incompatible approaches for improving document retrieval performance in the context of question answering: query expansion and query reduction. Querie...
Ingrid Zukerman, Bhavani Raskutti, Yingying Wen
SIGIR
2010
ACM
14 years 9 months ago
On performance of topical opinion retrieval
We investigate the effectiveness of both the standard evaluation measures and the opinion component for topical opinion retrieval. We analyze how relevance is affected by opinio...
Giambattista Amati, Giuseppe Amodeo, Valerio Capoz...
ICPADS
2007
IEEE
15 years 5 months ago
Performance analysis on mobile agent-based parallel information retrieval approaches
—The main concern of the Internet user-base has shifted from what kind of information are available to how to find the desired information on the Internet thanks to the explosiv...
Wenyu Qu, Masaru Kitsuregawa, Keqiu Li