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Relevance feedback / Document retrieval / Precision and recall / Speech recognition / Language model / Search engine indexing / Relevance / Tf*idf / Ranking function / Information science / Information retrieval / Query expansion


AT&T at TREC-7 Amit Singhal John Choi Donald Hindle Fernando Pereira
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Document Date: 2007-08-16 20:14:15


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Company

the New York Times / AT&T / NBC / WER Term / D. Lewis AT&T Labs / LA Times / /

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Event

Product Recall / Product Issues / /

Facility

Cornell University / City University / University of Massachusetts / University NIST-B2 Carnegie Mellon / /

IndustryTerm

distributed search / print media / classi cation software / Web search environment / time-synchronous beam search algorithm / information retrieval algorithms / meta-search systems / result merging algorithm / above algorithm / Web collection / above described algorithms / manageable sized network / Web search engine / search engines / retrieval algorithm / meta-search system / retrieval algorithms / simpli ed retrieval algorithm / expansion algorithm / retrieval systems / /

Organization

Cambridge University / University of Massachusetts / idf / Carnegie Mellon / Cornell University / dnb / United Nations / City University / /

Position

journalist / /

Product

per-document term / terms / word / term / term- / Baseline-1 att-b1 Baseline-2 att-b2 Full SDR-1 att-s1 Full SDR-2 att-s2 WER Term / /

ProvinceOrState

Massachusetts / /

PublishedMedium

the LDC NA News / the NA News / the New York Times / /

Technology

above algorithm / speech recognition / following algorithm / above described algorithms / expansion algorithm / retrieval algorithms / simpli ed retrieval algorithm / time-synchronous beam search algorithm / result merging algorithm / search engine / same retrieval algorithm / information retrieval algorithms / /

URL

www.ldc.upenn.edu / /

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