Introduction to Sentiment Analysis
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An Introduction to Sentiment Analysis
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Introduction to Sentiment Analysis
- 1. An Introduction to Sentiment Analysis Jaganadh G Text Analytics Consultant http://jaganadhg.in jaganadhg@gmail.com 5th Jan 2013 Jaganadh G An Introduction to Sentiment Analysis
- 2. About me !! Software Engineer Specializing in Text Analytics Research & Development When free, teaches Python, Speaks about FOSS and blogs at http://jaganadhg.in Working as Big Data Specialist for a Fortune 500 Company I am a computational linguist / Linguist and Indologist, Book reviewer Maters Degree Holder in Sanskrit from University of Kerala Jaganadh G An Introduction to Sentiment Analysis
- 3. Introduction Web Today Jaganadh G An Introduction to Sentiment Analysis
- 4. Introduction Sentiment Picture Courtesy: http://webanalysis.blogspot.com/2011/09/sentiment-indicator-social-media-kpi.html Jaganadh G An Introduction to Sentiment Analysis
- 5. Introduction What other people think!!! Jaganadh G An Introduction to Sentiment Analysis
- 6. Introduction Friends and Family Picture Courtesy: http://ianvaleza.com/mlm-secrets-warm-market-approach-strategies/ Jaganadh G An Introduction to Sentiment Analysis
- 7. Introduction Survey Picture Courtesy: http://www.oksociety.in/the-guest-for-legitmate-sites-for-paid-surveys/ Jaganadh G An Introduction to Sentiment Analysis
- 8. Introduction Blogs, Forums, Social Network .... Picture Courtesy: http://imfoundation.blogspot.com/p/im-forumsblogs.html Picture Courtesy:http://www.my-social-network.org/ Jaganadh G An Introduction to Sentiment Analysis
- 9. Introduction Issues with blogs and forums Picture Courtesy: http://www.asunseenontv.com/4-fake-reviews/ Jaganadh G An Introduction to Sentiment Analysis
- 10. Introduction Now : Sentiment Analysis Jaganadh G An Introduction to Sentiment Analysis
- 11. What is Sentiment Analysis Sentiment Analysis Automated extraction of subjective content from digital text and predicting the subjectivity such as positive or negative. Jaganadh G An Introduction to Sentiment Analysis
- 12. Subjectivity Subjectivity Linguistic expression of somebody’s emotions, opinions, sentiment ....... Picture Courtesy: http://www.asunseenontv.com/4-fake-reviews/ Jaganadh G An Introduction to Sentiment Analysis
- 13. Subjective Text Sources Social Media Picture Courtesy: http://www.alchemyuk.com/online marketing/social media marketing.php Jaganadh G An Introduction to Sentiment Analysis
- 14. Example Review Nokia Lumia 800 Review Courtesy: http://www.techradar.com/reviews/phones/mobile-phones/nokia-lumia-800-1039101/user-review Jaganadh G An Introduction to Sentiment Analysis
- 15. The Big Picture Sentiment Analysis Jaganadh G An Introduction to Sentiment Analysis
- 16. Basics of Sentiment Analysis Components of Opinion Jaganadh G An Introduction to Sentiment Analysis
- 17. Basics of Sentiment Analysis Opinion Definition Jaganadh G An Introduction to Sentiment Analysis
- 18. Components of Sentiment Analysis Components Jaganadh G An Introduction to Sentiment Analysis
- 19. Approaches Approaches Lexicon based Supervised Learning Unsupervised Learning Keyword Jaganadh G An Introduction to Sentiment Analysis
- 20. Issues and Challenges Challenges Picture Courtesy: http://inventionmachine.com/the-Sustainable-Innovation-Blog/bid/51703/Three-Key- Challenges-to-Entering-New-Markets Jaganadh G An Introduction to Sentiment Analysis
- 21. Issues and Challenges Challenges Language Domain Spam Named Entity Identification Reliable content Jaganadh G An Introduction to Sentiment Analysis
- 22. Questions ?? Jaganadh G An Introduction to Sentiment Analysis
- 23. References B. Pang, Lillian Lee Opinion Mining and Sentiment Analysis, Now Publishers Inc, July 2008. B. Pang, Lillian Lee, S Vaithyanathan Thumbs up? sentiment classification using machine learning techniques, 2002. Jaganadh G An Introduction to Sentiment Analysis
- 24. Finally Jaganadh G An Introduction to Sentiment Analysis