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Text Mining and Analysis by Satish Garla, Murali Pagolu, Goutam Chakraborty

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Case Study 3 Features-based Sentiment Analysis of Customer Reviews

Jiawen LiuMantosh SarkarGoutam Chakraborty

Introduction

Data

Text Mining for Negative App Reviews

Text Mining for Positive App Reviews

NLP Based Sentiment Analysis

Summary

Introduction

Sentiment analysis, (also called sentiment or opinion mining), is a popular technique for summarizing and analyzing consumers’ textual reviews about products and services. Feature-based sentiment analysis is used to reveal customers’ sentiments not just at the overall product/brand level but also at the product/service specific feature level. There are two major approaches for performing sentiment analysis in SAS® Sentiment Analysis Studio: Statistical model-based approaches and Natural Language ...

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