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Combining Vector-Space and Word-Based Aspect Models for Passage Retrieval.
Raymond Wan
Ichigaku Takigawa
Hiroshi Mamitsuka
Vo Ngoc Anh
Published in:
TREC (2006)
Keyphrases
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vector space
retrieval model
passage retrieval
vector space model
latent semantic indexing
question answering
document retrieval
distance measure
information retrieval
feature selection
pattern recognition
probabilistic model
knn
language model
text retrieval
term frequency