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sentiment analysis

noun
- 1. the process of computationally identifying and categorizing opinions expressed in a piece of text, especially in order to determine whether the writer's attitude towards a particular topic, product, etc. is positive, negative, or neutral: "companies have key lessons to learn about harnessing the power of social media and sentiment analysis"
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Sentiment Analysis
Use of natural language processing, text analysis and computational linguistics to identify and extract subjective information in source materials
Sentiment analysis is the use of natural language processing, text analysis, computational linguistics, and biometrics to systematically identify, extract, quantify, and study affective states and subjective information. Sentiment analysis is widely applied to voice of the customer materials such as reviews and survey responses, online and social media, and healthcare materials for applications th... Wikipedia
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