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Research on question classification for Automatic Question Answering.
Shihua Xu
Gang Cheng
Fang Kong
Published in:
IALP (2016)
Keyphrases
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question classification
question answering
information retrieval
feature weighting
question answering systems
named entities
natural language
information extraction
machine learning approaches
natural language processing
relation extraction
passage retrieval
tree kernels
feature selection