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A fixed-parameter algorithm for the directed feedback vertex...
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SIGIR
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Approximating true relevance distribution from a mixture model based on irrelevance data
13 years 12 months ago
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Pseudo relevance feedback (PRF), which has been widely applied in IR, aims to derive a distribution from the top n pseudo relevant documents D. However, these documents are often ...
Peng Zhang, Yuexian Hou, Dawei Song
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