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A Classifier to Detect Informational vs. Non-Informational Heart Attack Tweets

Author

Listed:
  • Ola Karajeh

    (Department of Computer Science, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, USA)

  • Dirar Darweesh

    (Department of Computer Science, Jordan University of Science and Technology, 3030 Irbid, Jordan)

  • Omar Darwish

    (Computer Technology and Information Systems, Ferrum College, Ferrum, VA 24088, USA)

  • Noor Abu-El-Rub

    (Kansas Medical Center, Kansas City, MO 67002, USA)

  • Belal Alsinglawi

    (School of Computer Data and Mathematical Sciences, Western Sydney University, Rydalmere, NSW 2116, Australia)

  • Nasser Alsaedi

    (Department of Computer Science, Taibah University, 2003 Medina, Saudi Arabia)

Abstract

Social media sites are considered one of the most important sources of data in many fields, such as health, education, and politics. While surveys provide explicit answers to specific questions, posts in social media have the same answers implicitly occurring in the text. This research aims to develop a method for extracting implicit answers from large tweet collections, and to demonstrate this method for an important concern: the problem of heart attacks. The approach is to collect tweets containing “heart attack” and then select from those the ones with useful information. Informational tweets are those which express real heart attack issues, e.g., “Yesterday morning, my grandfather had a heart attack while he was walking around the garden.” On the other hand, there are non-informational tweets such as “Dropped my iPhone for the first time and almost had a heart attack.” The starting point was to manually classify around 7000 tweets as either informational (11%) or non-informational (89%), thus yielding a labeled dataset to use in devising a machine learning classifier that can be applied to our large collection of over 20 million tweets. Tweets were cleaned and converted to a vector representation, suitable to be fed into different machine-learning algorithms: Deep neural networks, support vector machine (SVM), J48 decision tree and naïve Bayes. Our experimentation aimed to find the best algorithm to use to build a high-quality classifier. This involved splitting the labeled dataset, with 2/3 used to train the classifier and 1/3 used for evaluation besides cross-validation methods. The deep neural network (DNN) classifier obtained the highest accuracy (95.2%). In addition, it obtained the highest F1-scores with (73.6%) and (97.4%) for informational and non-informational classes, respectively.

Suggested Citation

  • Ola Karajeh & Dirar Darweesh & Omar Darwish & Noor Abu-El-Rub & Belal Alsinglawi & Nasser Alsaedi, 2021. "A Classifier to Detect Informational vs. Non-Informational Heart Attack Tweets," Future Internet, MDPI, vol. 13(1), pages 1-10, January.
  • Handle: RePEc:gam:jftint:v:13:y:2021:i:1:p:19-:d:481363
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    References listed on IDEAS

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    1. Perkins, Jessica M. & Subramanian, S.V. & Christakis, Nicholas A., 2015. "Social networks and health: A systematic review of sociocentric network studies in low- and middle-income countries," Social Science & Medicine, Elsevier, vol. 125(C), pages 60-78.
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    Cited by:

    1. Ahed Abugabah & Farah Shahid, 2023. "Intelligent Health Care and Diseases Management System: Multi-Day-Ahead Predictions of COVID-19," Mathematics, MDPI, vol. 11(4), pages 1-19, February.
    2. Roberto Saia & Salvatore Carta & Olaf Bergmann, 2021. "Wireless Internet, Multimedia, and Artificial Intelligence: New Applications and Infrastructures," Future Internet, MDPI, vol. 13(9), pages 1-3, September.

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