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Why question answering using sentiment analysis and word classes

Published: 12 July 2012 Publication History

Abstract

In this paper we explore the utility of sentiment analysis and semantic word classes for improving why-question answering on a large-scale web corpus. Our work is motivated by the observation that a why-question and its answer often follow the pattern that if something undesirable happens, the reason is also often something undesirable, and if something desirable happens, the reason is also often something desirable. To the best of our knowledge, this is the first work that introduces sentiment analysis to non-factoid question answering. We combine this simple idea with semantic word classes for ranking answers to why-questions and show that on a set of 850 why-questions our method gains 15.2% improvement in precision at the top-1 answer over a baseline state-of-the-art QA system that achieved the best performance in a shared task of Japanese non-factoid QA in NTCIR-6.

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Cited By

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  • (2018)Identifying Informational vs. Conversational Questions on Community Question Answering ArchivesProceedings of the Eleventh ACM International Conference on Web Search and Data Mining10.1145/3159652.3159733(216-224)Online publication date: 2-Feb-2018
  • (2016)A semi-supervised learning approach to why-question answeringProceedings of the Thirtieth AAAI Conference on Artificial Intelligence10.5555/3016100.3016325(3022-3029)Online publication date: 12-Feb-2016
  • (2015)Micro-opinion Sentiment Intensity Analysis and Summarization in Online VideosProceedings of the 2015 ACM on International Conference on Multimodal Interaction10.1145/2818346.2823317(587-591)Online publication date: 9-Nov-2015
  • Show More Cited By

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cover image DL Hosted proceedings
EMNLP-CoNLL '12: Proceedings of the 2012 Joint Conference on Empirical Methods in Natural Language Processing and Computational Natural Language Learning
July 2012
1573 pages

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Association for Computational Linguistics

United States

Publication History

Published: 12 July 2012

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Overall Acceptance Rate 73 of 234 submissions, 31%

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Cited By

View all
  • (2018)Identifying Informational vs. Conversational Questions on Community Question Answering ArchivesProceedings of the Eleventh ACM International Conference on Web Search and Data Mining10.1145/3159652.3159733(216-224)Online publication date: 2-Feb-2018
  • (2016)A semi-supervised learning approach to why-question answeringProceedings of the Thirtieth AAAI Conference on Artificial Intelligence10.5555/3016100.3016325(3022-3029)Online publication date: 12-Feb-2016
  • (2015)Micro-opinion Sentiment Intensity Analysis and Summarization in Online VideosProceedings of the 2015 ACM on International Conference on Multimodal Interaction10.1145/2818346.2823317(587-591)Online publication date: 9-Nov-2015
  • (2014)Joint question clustering and relevance prediction for open domain non-factoid question answeringProceedings of the 23rd international conference on World wide web10.1145/2566486.2567999(503-514)Online publication date: 7-Apr-2014
  • (2012)Excitatory or inhibitoryProceedings of the 2012 Joint Conference on Empirical Methods in Natural Language Processing and Computational Natural Language Learning10.5555/2390948.2391018(619-630)Online publication date: 12-Jul-2012

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