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Information 2016, 7(2), 27; doi:10.3390/info7020027

Feature Engineering for Recognizing Adverse Drug Reactions from Twitter Posts

1
Department of Computer Science & Information Engineering, National Taitung University, Taitung 95092, Taiwan
2
Interdisciplinary Program of Green and Information Technology, National Taitung University, Taitung 95092, Taiwan
3
Graduate Institute of Biomedical Informatics, Taipei Medical University, Taipei 11031, Taiwan
4
School of Public Health and Community Medicine, UNSW Australia, Sydney, NSW 2052, Australia
5
Prince of Wales Clinical School, UNSW Australia, Sydney, NSW 2052, Australia
6
International Center for Health Information Technology, Taipei Medical University, Taipei 11031, Taiwan
*
Authors to whom correspondence should be addressed.
Academic Editors: Yong Yu and Yu Wang
Received: 30 March 2016 / Revised: 17 May 2016 / Accepted: 18 May 2016 / Published: 25 May 2016
(This article belongs to the Special Issue Recent Advances of Big Data Technology)
View Full-Text   |   Download PDF [1587 KB, uploaded 25 May 2016]   |  

Abstract

Social media platforms are emerging digital communication channels that provide an easy way for common people to share their health and medication experiences online. With more people discussing their health information online publicly, social media platforms present a rich source of information for exploring adverse drug reactions (ADRs). ADRs are major public health problems that result in deaths and hospitalizations of millions of people. Unfortunately, not all ADRs are identified before a drug is made available in the market. In this study, an ADR event monitoring system is developed which can recognize ADR mentions from a tweet and classify its assertion. We explored several entity recognition features, feature conjunctions, and feature selection and analyzed their characteristics and impacts on the recognition of ADRs, which have never been studied previously. The results demonstrate that the entity recognition performance for ADR can achieve an F-score of 0.562 on the PSB Social Media Mining shared task dataset, which outperforms the partial-matching-based method by 0.122. After feature selection, the F-score can be further improved by 0.026. This novel technique of text mining utilizing shared online social media data will open an array of opportunities for researchers to explore various health related issues. View Full-Text
Keywords: adverse drug reactions; named entity recognition; word embedding; social media; natural language processing adverse drug reactions; named entity recognition; word embedding; social media; natural language processing
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Dai, H.-J.; Touray, M.; Jonnagaddala, J.; Syed-Abdul, S. Feature Engineering for Recognizing Adverse Drug Reactions from Twitter Posts. Information 2016, 7, 27.

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