Made available under the terms of GNU General Public License. They are distributed without any warranty.
The Subjectivity Sense Annotations used in (Wiebe and Mihalcea, 2006), (Gyamfi et al., 2009), (Akkaya et al., 2009), and (Akkaya et al., 2011) are all available for download. All annotation efforts follow the annotation schema described in (Wiebe and Mihalcea 2006). Further information on the data can be found in the README of the archive you download.
Janyce Wiebe and Rada Mihalcea (2006). Word Sense and Subjectivity. Joint conference of the International Committee on Computational Linguistics and the Association for Computational Linguistics. (COLING-ACL 2006).
Yaw Gyamfi, Janyce Wiebe, Rada Mihalcea and Cem Akkaya (2009). Integrating Knowledge for Subjectivity Sense Labeling. Joint Conference of the North American Chapter of the Association for Computational Linguistics and the Human Language Technologies Conference (NAACL-HLT 2009).
Cem Akkaya, Janyce Wiebe and Rada Mihalcea. (2009). Subjectivity Word Sense Disambiguation. Conference on Empirical Methods on Natural Language Processing (EMNLP 2009).
Cem Akkaya, Janyce Wiebe, Alexander Conrad and Rada Mihalcea (2011). Improving the Impact of Subjectivity Word Sense Disambiguation on Contextual Opinion Analysis. Conference on Computational Natural Language Learning (CoNNL 2011).To access the MPQA Subjectivity Sense Annotations, please fill out the following form. We respect your privacy and will not use your information for any purpose other than to inform you of updates and to assess interest in the resource.