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Optimizing Language Model Information Retrieval System with Expectation Maximization Algorithm.
Justin Liang-Te Chiu
Jyun-Wei Huang
Published in:
ACL/IJCNLP (Student Research Workshop) (2009)
Keyphrases
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expectation maximization
information retrieval systems
probabilistic model
language model
em algorithm
learning algorithm
information retrieval
query expansion
retrieval model
mixture model
k means
generative model
document collections
test collection
hidden markov models
retrieval systems
query terms