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Coupled Hierarchical IR and Stochastic Models for Surface Information Extraction.
Hugo Zaragoza
Patrick Gallinari
Published in:
BCS-IRSG Annual Colloquium on IR Research (1998)
Keyphrases
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stochastic models
information extraction
information retrieval
stochastic model
stochastic processes
machine learning
text mining
marginal distributions
conditional random fields
non stationary
random fields