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How to Combine Translation Probabilities and Question Expansion for Question Classification in cQA Services

Kyoungman BAE, Youngjoong KO

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Summary :

This paper claims to use a new question expansion method for question classification in cQA services. The input questions consist of only a question whereas training data do a pair of question and answer. Thus they cannot provide enough information for good classification in many cases. Since the answer is strongly associated with the input questions, we try to create a pseudo answer to expand each input question. Translation probabilities between questions and answers and a pseudo relevant feedback technique are used to generate the pseudo answer. As a result, we obtain the significant improved performances when two approaches are effectively combined.

Publication
IEICE TRANSACTIONS on Information Vol.E99-D No.4 pp.1019-1022
Publication Date
2016/04/01
Publicized
2016/01/14
Online ISSN
1745-1361
DOI
10.1587/transinf.2015DAL0005
Type of Manuscript
Special Section LETTER (Special Section on Data Engineering and Information Management)
Category

Authors

Kyoungman BAE
  Dong-A University
Youngjoong KO
  Dong-A University

Keyword