What is Sentiment Analysis?

Sentiment analysis, also known as opinion mining, is the process of computationally identifying and categorizing opinions expressed in a piece of text, whether it’s a tweet, a product review, or a news article. It goes beyond simply identifying the presence of words; it aims to understand the underlying sentiment – is the author expressing positive, negative, or neutral feelings? This understanding is crucial for businesses and researchers alike, offering insights into public perception and market trends.

The Evolution of Sentiment Analysis Techniques

Early sentiment analysis relied heavily on keyword-based approaches. For example, identifying words like “amazing,”