Changwen Yang
2002
Effective collection metasearch in a hierarchical environment: global vs. localized retrieval performance
Jack G. Conrad
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Changwen Yang
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Joanne S. Claussen
SIGIR 2002: Proceedings of the 25th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, August 11-15, 2002, Tampere, Finland
2001
Oracle at TREC 10: Filtering and Question-Answering
Shamin Alpha
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Paul Dixon
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Ciya Liao
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Changwen Yang
Proceedings of The Tenth Text REtrieval Conference, TREC 2001, Gaithersburg, Maryland, USA, November 13-16, 2001
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