Paper: Phrase-Based Translation Model for Question Retrieval in Community Question Answer Archives

ACL ID P11-1066
Title Phrase-Based Translation Model for Question Retrieval in Community Question Answer Archives
Venue Annual Meeting of the Association of Computational Linguistics
Session Main Conference
Year 2011
Authors

Community-based question answer (Q&A) has become an important issue due to the pop- ularity of Q&A archives on the web. This pa- per is concerned with the problem of ques- tion retrieval. Question retrieval in Q&A archives aims to find historical questions that are semantically equivalent or relevant to the queried questions. In this paper, we propose a novel phrase-based translation model for question retrieval. Compared to the traditional word-based translation models, the phrase- based translation model is more effective be- cause it captures contextual information in modelingthetranslationofphrasesasawhole, rather than translating single words in isola- tion. Experiments conducted on real Q&A data demonstrate that our proposed phrase- based translation model significantly outper- forms...