How Do General-Purpose Sentiment Analyzers Perform when Applied to Health-Related Online Social Media Data?

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ID: 51372
2019
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Ranked #48 of 170 articles by views in Studies in health technology and informatics

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Abstract
Sentiment analysis has been increasingly used to analyze online social media data such as tweets and health forum posts. However, previous studies often adopted existing, general-purpose sentiment analyzers developed in non-healthcare domains, without assessing their validity and without customizing them for the specific study context. In this work, we empirically evaluated three general-purpose sentiment analyzers popularly used in previous studies (Stanford Core NLP Sentiment Analysis, TextBlob, and VADER), based on two online health datasets and a general-purpose dataset as the baseline. We illustrate that none of these general-purpose sentiment analyzers were able to produce satisfactory classifications of sentiment polarity. Further, these sentiment analyzers generated inconsistent results when applied to the same dataset, and their performance varies to a great extent across the two health datasets. Significant future work is therefore needed to develop context-specific sentiment analysis tools for analyzing online health data.
Reference Key
he2019howstudies Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors He, Lu;Zheng, Kai;
Journal Studies in health technology and informatics
Year 2019
DOI
10.3233/SHTI190418
URL
Keywords
social media computing methodologies

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