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ISCAS at TREC 2004: HARD Track.
Le Sun
Junlin Zhang
Yufang Sun
Published in:
TREC (2004)
Keyphrases
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information retrieval
question answering
test collection
retrieval effectiveness
information systems
relevance feedback
pseudo relevance feedback
real time tracking
clef ip
machine learning
artificial intelligence
digital libraries
language model
ad hoc retrieval
ir evaluation
biomedical information retrieval