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Advanced Structural Representations for Question Classification and Answer Re-ranking.
Silvia Quarteroni
Alessandro Moschitti
Suresh Manandhar
Roberto Basili
Published in:
ECIR (2007)
Keyphrases
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question classification
question answering
feature weighting
question answering systems
structural information
web search
machine learning approaches
ranking algorithm
natural language processing
semantic features
image retrieval
higher level