Sentiment Analysis

Home Glossary Item Sentiment Analysis
« Back to Glossary Index

Sentiment analysis is the computational process of evaluating and discerning the emotional tone, opinion, or attitude expressed within text data. It involves using machine learning and natural language processing techniques to categorize text as positive, negative, or neutral based on the sentiments conveyed. Sentiment analysis is a powerful tool for understanding public sentiment, customer feedback, and social media discourse.


The primary goal of sentiment analysis is to extract valuable insights from large volumes of textual data by deciphering the sentiments underlying the language. This process often entails training machine learning models on labeled datasets that associate specific emotions with particular words or phrases. Once trained, these models can automatically analyze and categorize new text, providing businesses and researchers with a quantitative measure of sentiment trends. Sentiment analysis finds applications in diverse sectors, such as marketing, where it helps gauge consumer reactions to products and campaigns, and in financial services, where it aids in predicting market sentiment based on news and social media activity. In AI, sentiment analysis plays a pivotal role in enabling systems to comprehend human emotional expressions and contribute to informed decision-making across various domains.

« Back to Glossary Index