Sentiment analysis is a natural language processing technique that determines the emotional tone or attitude expressed in a piece of text, such as classifying a review as positive, negative, or neutral.
Sentiment analysis is commonly run on scraped reviews, social media posts, or survey responses to gauge public or customer opinion about a product, brand, or topic at scale.
Sentiment analysis is often combined with named entity recognition to determine not just the tone of a piece of text, but which specific entity (a product or company) that sentiment refers to.
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