1. Sentiment Analysis Nuts and Bolts

Welcome

<aside> 💡 Sentiment analysis is the process of understanding the opinion of an author about a subject - this page is a study note as a preparation for competitive project, “Enhance your brand using Youtube.”

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What goes into a sentiment analysis system

First element: opinion/emotion

Opinion: pos, neutral, neg
- positive
- neutral
- negative
Emotion → measure 1-10
- Joy
- Surprise
- Anger
- Disgust

Second element: Subject

subject of discussion: what is being talked about?

Third element: opinion holder

opinion holder(entity): By whom?

Why sentiment analysis

Social media monitoring
- Not only what people are talking about but HOW they are talking about it
- Sentiment can be found also in forums, blogs, news
Brand monitoring
customer service product analytics
Market research and analysis