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Leveraging question target word features through semantic relation expansion for answer type classification.
Tianyong Hao
Wenxiu Xie
Qingyao Wu
Heng Weng
Yingying Qu
Published in:
Knowl. Based Syst. (2017)
Keyphrases
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semantic relations
feature vectors
classification accuracy
feature extraction
feature set
feature space
question classification
co occurrence
image classification
semantic roles
wordnet
similarity measure
relation extraction
keyphrases
feature selection
text mining
machine learning
low level
word pairs