• MPQA Opinion Corpus

    The MPQA Opinion Corpus contains news articles from a wide variety of news sources manually annotated for opinions and other private states (i.e., beliefs, emotions, sentiments, speculations, etc.). To download the MPQA Opinion Corpus click here.

    For sample documents and instructions for MPQA annotation in GATE, click here. Updated July 2011.

    To learn more about the subjectivity and sentiment research that produced MPQA, please refer to the following publications:

    Janyce Wiebe, Theresa Wilson , and Claire Cardie (2005). Annotating expressions of opinions and emotions in language. Language Resources and Evaluation, volume 39, issue 2-3, pp. 165-210.

    Theresa Wilson (2008). Fine-Grained Subjectivity Analysis. PhD Dissertation, Intelligent Systems Program, University of Pittsburgh.

    Lingjia Deng and Janyce Wiebe (2015). MPQA 3.0: Entity/Event-Level Sentiment Corpus. NAACL-HLT, 2015.

  • Product Debate Data

    The Product Debate Corpus is available for download. Further information on the data can be found in the README of the archive you download. This corpus was used in:

    Swapna Somasundaran and Janyce Wiebe (2009). Recognizing Stances in Online Debates. ACL 2009: Joint conference of the 47th Annual Meeting of the Association for Computational Linguistics and the 4th International Joint Conference on Natural Language Processing of the Asian Federation of Natural Language Processing, August 2-7, 2009, Singapore.

  • Political Debate Data

    The Political Debate Corpus is available for download. Further information on the data can be found in the README of the archive you download. This corpus was used in:

    Swapna Somasundaran and Janyce Wiebe (2010). Recognizing Stances in Ideological On-line Debates In Proceedings of the NAACL HLT 2010 Workshop on Computational Approaches to Analysis and Generation of Emotion in Text, pages 116-124, Los Angeles, CA. Association for Computational Linguistics, 2010.

  • goodFor/badFor Corpus

    The goodFor/badFor Corpus is available for download. Further information on the data can be found in the README of the archive you download. This corpus was used in:

    Lingjia Deng, Yoonjoung Choi and Janyce Wiebe (2013). Benefactive/Malefactive Event and Writer Attitude Annotation In Annual Meeting of the Association for Computational Linguistics (ACL-2013, short paper).

  • Arguing Corpus

    The Arguing Corpus is available for download. Further information on the data can be found in the README of the archive you download. The main paper describing the corpus is:

    Alexander Conrad, Janyce Wiebe, Rebecca Hwa (2012). Recognizing Arguing Subjectivity and Argument Tags In the Proceedings of the Workshop on Extra-Propositional Aspects of Meaning in Computational Linguistics.