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Estimating query difficulty for news prediction retrieval.
Nattiya Kanhabua
Kjetil Nørvåg
Published in:
CIKM (2012)
Keyphrases
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query performance prediction
query difficulty
average precision
recent approaches
retrieval effectiveness
test collection
news stories
news articles
machine learning
feature selection
relevance feedback
retrieval model
ranked list
query suggestion
news video
linguistic features