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Multi-class Hierarchical Question Classification for Multiple Choice Science Exams.
Dongfang Xu
Peter A. Jansen
Jaycie Martin
Zhengnan Xie
Vikas Yadav
Harish Tayyar Madabushi
Oyvind Tafjord
Peter Clark
Published in:
CoRR (2019)
Keyphrases
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multi class
multiple choice
question classification
question answering
exam questions
open ended
feature weighting
support vector machine
question answering systems
pairwise
correct answers
tree kernels
feature selection
multiple instance learning
unsupervised learning
multi task
data mining