A. Asuncion, M. Welling, P. Smyth, and Y. W. Teh, On Smoothing and Inference for Topic Models, Proc. of UAI '09, pp.27-34, 2009.

D. M. Blei, A. Y. Ng, and M. I. Jordan, Latent Dirichlet Allocation, Proc. of NIPS '01, pp.601-608, 2001.

Y. Fang, L. Si, N. Somasundaram, and Z. Yu, Mining contrastive opinions on political texts using cross-perspective topic model, Proceedings of the fifth ACM international conference on Web search and data mining, WSDM '12, pp.63-72, 2012.
DOI : 10.1145/2124295.2124306

W. H. Lin, T. Wilson, J. Wiebe, and A. Hauptmann, Which Side are You on? Identifying Perspectives at the Document and Sentence Levels, Proc. of CoNLL '06, pp.109-116, 2006.
DOI : 10.3115/1225797.1225802

URL : http://acl.ldc.upenn.edu/N/N06/N06-3005.pdf

B. Liu, M. Hu, and J. Cheng, Opinion observer, Proceedings of the 14th international conference on World Wide Web , WWW '05, pp.342-351, 2005.
DOI : 10.1145/1060745.1060797

B. Pang and L. Lee, Opinion Mining and Sentiment Analysis, Foundations and Trends?? in Information Retrieval, vol.2, issue.1???2, pp.1-135, 2008.
DOI : 10.1561/1500000011

M. J. Paul and R. Girju, Cross-cultural analysis of blogs and forums with mixed-collection topic models, Proceedings of the 2009 Conference on Empirical Methods in Natural Language Processing Volume 3, EMNLP '09, pp.1408-1417, 2009.
DOI : 10.3115/1699648.1699687

M. J. Paul and R. Girju, A Two-Dimensional Topic-Aspect Model for Discovering Multi-Faceted Topics, Proc. of AAAI '10, pp.545-550, 2010.

M. J. Paul, C. Zhai, and R. Girju, Summarizing Contrastive Viewpoints in Opinionated Text, Proc. of EMNLP '10, pp.66-76, 2010.

M. Qiu and J. Jiang, A Latent Variable Model for Viewpoint Discovery from Threaded Forum Posts, Proc. of NAACL HLT '13, pp.1031-1040, 2013.

M. Qiu, L. Yang, and J. Jiang, Modeling interaction features for debate side clustering, Proceedings of the 22nd ACM international conference on Conference on information & knowledge management, CIKM '13, pp.873-878, 2013.
DOI : 10.1145/2505515.2505634

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.651.1749

A. Trabelsi and O. R. Zaiane, Mining Contentious Documents Using an Unsupervised Topic Model Based Approach, 2014 IEEE International Conference on Data Mining, pp.550-559, 2014.
DOI : 10.1109/ICDM.2014.120

P. D. Turney, Thumbs Up or Thumbs Down? Semantic Orientation Applied to Unsupervised Classification of Reviews, Proc. of ACL '02, pp.417-424, 2002.