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Leveraging the network information for evaluating answer quality in a collaborative question answering portal.
Lin Chen
Richi Nayak
Published in:
Soc. Netw. Anal. Min. (2012)
Keyphrases
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question answering
information extraction
syntactic information
question classification
question answering systems
natural language questions
information retrieval
natural language processing
answer validation
search engine
text mining
named entities
free text
cross language
sentence retrieval