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Title: Approaches to exploring category information for question retrieval in community question-answer archives
Authors: Jensen, Christian S.
Cao, Xin
Cong, Gao
Cui, Bin
Yuan, Quan
Keywords: DRNTU::Engineering::Computer science and engineering
Issue Date: 2012
Source: Cao, X., Cong, G., Cui, B., Jensen, C. S., & Yuan, Q. (2012). Approaches to Exploring Category Information for Question Retrieval in Community Question-Answer Archives. ACM Transactions on Information Systems, 30(2).
Series/Report no.: ACM transactions on information systems
Abstract: Community Question Answering (CQA) is a popular type of service where users ask questions and where answers are obtained from other users or from historical question-answer pairs. CQA archives contain large volumes of questions organized into a hierarchy of categories. As an essential function of CQA services, question retrieval in a CQA archive aims to retrieve historical question-answer pairs that are relevant to a query question. This article presents several new approaches to exploiting the category information of questions for improving the performance of question retrieval, and it applies these approaches to existing question retrieval models, including a state-of-the-art question retrieval model. Experiments conducted on real CQA data demonstrate that the proposed techniques are effective and efficient and are capable of outperforming a variety of baseline methods significantly.
ISSN: 1046-8188
DOI: 10.1145/2180868.2180869
Rights: © 2012 ACM.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:SCSE Journal Articles

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