- SENTIMENT ANALYSIS USING NEURAL NETWORK. - Sentiment analysis and opinion mining is an important task in natural language processing and data mining. - Therefore, recently there have been raising a large number of studies focusing on the problem of opinion mining and sentiment analysis. - This thesis focusing on two of the above problems. - I am very grateful to Mrs.Nguyen Thi Xuan Huong and Mr.Pham Duc Hong, graduate students at University of Engineering and Technology(UET), and for providing me the methods and data required for sentiment analysis.. - Special thanks to Trinh Quyet Thang student at University of Engineering and Technology (UET) for providing me the forum data and help me source code required for sentiment analysis.. - Sentiment Analysis Problems. - Sentiment Analysis and Methods. - Sentiment Analysis Tasks. - Sentiment Analysis with Neural Networks. - Sentiment Analysis with Subjectivity. - Sentiment analysis with ratings. - in Proceedings of the Conference on Empirical Methods in Natural Language Processing (EMNLP-2006). - in Proceedings of the Annual Meeting of the Association for Computational Linguistics (short paper) (ACL-2011). - in Proceedings of Conference on Empirical Methods in Natural Language Processing (EMNLP-2002). - in Proceedings of Meeting of the Association for Computational Linguistics (ACL-2005). - in Proceedings of the 47th Annual Meeting of the ACL and the 4th IJCNLP of the AFNLP (ACL-IJCNLP- 2009). - Sentiment analysis and subjectivity, available from http://www.cs.uic.edu/. - liub/FBS/NLP-handbook-sentiment-analysis.pdf, viewed on