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Opinion Mining From Twitter Feeds

Opinion Mining From Twitter Feeds. Lenin Ravindranath Sivalingam. Lexicon. 25 million users around the world. Tweet Extraction. Just saw 2012 – the movie was good, but not gr8… CG was awesum…. Over 10 million tweets a day. Twitter Keyword Search . Internet slang lexicon. Polarized lexicon.

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Opinion Mining From Twitter Feeds

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  1. Opinion Mining From Twitter Feeds Lenin Ravindranath Sivalingam Lexicon 25 million users around the world Tweet Extraction Just saw 2012 – the movie was good, but not gr8… CG was awesum… Over 10 million tweets a day Twitter Keyword Search Internet slang lexicon Polarized lexicon Tweet Tweet Cleaning just saw MMM the movie was good but not great CG was awesome Results Phrase Extraction People often express opinions! Richest source of user opinions! Internet Slang Translation Spelling Correction Extracting movie reviews! Cleaned phrases Just/RB saw/VB MMM/NN The/DT movie/NN was/VB good/JJ But/CC not/RB great/JJ CG/NN was/VB awesome/JJ POS Tagging Tagged phrases Number of phrases to include as features Sentiment Analysis on Tweets MMM good/JJ not/RB great/JJ awesome/JJ MMM POS-JJ NEG-RB POS-JJ POS-JJ Feature Extraction Just watched 2012, it was pretty good... Positive review (Polar Features) Polar Words Extraction Saw 2012…… worst movie ever….. waste of time Negative review MMM POS-JJ NEG-JJ POS-JJ Polarity Analysis (Polarity Reversal) 2012 – great effects, worst acting, was ok. Mixed review Went to see 2012 with my girlfriend Feature Encoding (Phrase polarity, position) Not a review 1:0 2:0 3:1 4:0 5:0 6:1 7:1 8:0 Why errors? Couples Retreat was hilarious. Ambiguous polar words Features Data Collection 2012 was hilarious. Too much slang New moon was ahhwwesum.. Crowd Sourcing 1:0 2:0 3:1 4:0 5:0 6:1 7:1 8:0 SVM Classifier I just saw 2012. I need my money back. No polar words 3000 tweets tagged by 40 users I saw 2012 today with my girlfriend. I love her. Different context Mixed review Review

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