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The top documents tagged [information retrieval15what]
Language Models Hongning Wang CS@UVa. Two-stage smoothing [Zhai & Lafferty 02] c(w,d) |d| P(w|d) = + p(w|C) ++ Stage-1 -Explain unseen words -Dirichlet
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Language Models
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Implicit User Feedback Hongning Wang CS@UVa. Explicit relevance feedback 2 Updated query Feedback Judgments: d 1 + d 2 - d 3 + … d k -... Query User judgment
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