1. Abdul-Mageed, M., Diab, M.T., Korayem, M.: Subjectivity and sentiment analysis of modern standard Arabic. In: Proceeding of the 49th Annual Meeting of the Association for Computational Linguistics. Human Language Technologies, (Vol. 2: Short Papers), (2011)
2. Akkaya, C., Wiebe, J., Conrad, A., Mihalcea, R.: Improving the impact of subjectivity word sense disambiguation on contextual opinion analysis. In: Proceeding of the 15th Conference on Computational Natural Language Learning, (2011)
3. Andrea Esuli, F.S., Urciuoli, I.: Annotating expressions of opinion and emotion in the Italian Content Annotation Bank. In: Proceeding of the 6th International Language Resources and Evaluation, (2008)
4. Asher, N.: Belief in discourse representation theory. J. Philos. Logic 15, 127–189 (1986)
5. Banfield, A.: Unspeakable Sentences. Routledge and Kegan Paul, Boston (1982)