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at NTCIR 2 Ad-hoc Task: Relevance-based Superimposition Model for IR.
Teruhito Kanazawa
Atsuhiro Takasu
Jun Adachi
Published in:
NTCIR (2001)
Keyphrases
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computational model
high level
mathematical model
information retrieval
prior knowledge
em algorithm
test collection
statistical model
neural network
query expansion
parameter estimation
evaluation framework