How do we talk about doctors and drugs? Sentiment analysis in forums expressing opinions for medical domain

作者:

Highlights:

• Study of how people express their opinion in medical forums.

• Opinions about drugs and physicians written in Spanish are analyzed.

• Supervised learning and lexicon-based sentiment analysis approaches are applied.

• Drug reviews are more difficult to classify than those about physicians.

• Linguistic features are analyzed in order to understand the difficulty of the task.

• The similarities and differences found are presented and analyzed.

摘要

•Study of how people express their opinion in medical forums.•Opinions about drugs and physicians written in Spanish are analyzed.•Supervised learning and lexicon-based sentiment analysis approaches are applied.•Drug reviews are more difficult to classify than those about physicians.•Linguistic features are analyzed in order to understand the difficulty of the task.•The similarities and differences found are presented and analyzed.

论文关键词:Spanish corpus,Patient opinions,Medical domain,Sentiment analysis

论文评审过程:Received 13 October 2017, Revised 19 March 2018, Accepted 29 March 2018, Available online 22 April 2018, Version of Record 1 February 2019.

论文官网地址:https://doi.org/10.1016/j.artmed.2018.03.007