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Semantic Patterns for Sentiment Analysis of Twitter
Published on Dec 19, 20142379 Views
Most existing approaches to Twitter sentiment analysis assume that sentiment is explicitly expressed through affective words. Nevertheless, sentiment is often implicitly expressed via latent semantic
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Chapter list
Semantic Patterns for Sentiment Analysis of Twitter00:00
OutLine00:10
Sentiment Analysis00:25
Traditional Sentiment Analysis - 100:42
Traditional Sentiment Analysis - 201:19
Pattern-based Sentiment Analysis01:57
Syntactic Pattern Approaches - 102:18
Syntactic Pattern Approaches - 203:00
Syntactic & Semantic Pattern Approaches - 103:35
Syntactic & Semantic Pattern Approaches - 203:48
Tweets are often04:02
We Propose..04:15
Contextual Semantics05:00
Contextual Semantic Sentiment Patterns - 105:33
Contextual Semantic Sentiment Patterns - 206:17
Pattern Extraction06:37
(1) Syntactical Preprocessing06:45
(2) Capturing Contextual Semantics & Sentiment07:00
(3) Extracting Semantic Sentiment Patterns08:07
Evaluation09:00
Evaluation Setup (1)09:24
Evaluation Setup (2)09:34
Evaluation Setup (3)09:49
Results10:24
Tweet-Level Sentiment Analysis (1)10:32
Tweet-Level Sentiment Analysis (2)10:55
Entity-Level Sentiment Analysis11:19
Within-Pattern Sentiment Consistency - 111:35
Within-Pattern Sentiment Consistency - 212:14
Conclusion12:59
Thank You13:32