Sentiment Analysis in Social Media, Aspect Extraction for

Lei Zhang, Bing Liu

Abstract:

Entity extraction; Feature extraction; Target extraction
Aspect-based sentiment analysis

Extract and summarize opinions on entities and aspects of entities from text

Sentiment analysis or opinion mining

Computational study of people’s opinions, sentiments, appraisals, attitudes, and emotions from text

Sentiment words or opinion words

Words bearing positive or negative sentiment

User-generated content

Contents created by users of social media, such as product reviews, forum discussions, blogs, and tweets
Aspect-based sentiment analysis is the computational study of people’s opinions, sentiments, appraisals, attitudes, and emotions toward entities and their aspects expressed in text.
With the rapid growth of social media, sentiment analysis, also called opinion mining, has become one of the most active research areas in natural language processing, which also has widespread applications from business analytics to social study. Researchers have...