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Using Document Similarity Algorithms for Suicidal Detection in Social Media: A Case Study of User Tweets
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Using Document Similarity Algorithms for Suicidal Detection in Social Media: A Case Study of User Tweets

Lare Adeola, Celestine Iwendi, Vandana Sharma and Mahmoud Ahmad Al-Khasawneh3
Data Science and Big Data Analytics (IDBA 2024). Learning and Analytics in Intelligent Systems, Vol.43, pp.475-488
Learning and Analytics in Intelligent Systems
th International Conference on Data Science and Big Data Analytics (IDBA2024) (Symbiosis University of Applied Sciences (SUAS), Indore, India , 12/07/2024–13/07/2024)
16/05/2025

Abstract

Suicide detection Document similarity Applied Machine Learning Natural Language Processing
Suicidal Detection and treatment from the clinical and public health perspective is reactive. For an action whose consequences are irreversible, a reactive approach to the problem cannot be the answer. A proactive approach is needed to solve and detect Suicidal Intent. Social Media has become the television and diary of millennials and gen-z alike, hence it's imperative to create techniques and approaches to study their actions in this particular space. This research involved creating Document Similarity Algorithms from Corpora mined from the Twitter Developer API. Making the data unique to this platform; a methodology design involving validating data at various spectrum and selecting an appropriate threshold to classify the similarity levels were created as well as a lexicon unique to the Twitter Dataset. With an accuracy score of 84%, the Jaccard Document Similarity Algorithm was able to spot Suicidal intent from User's Tweets and with an accuracy of 93% was also able to spot non-suicidal intent. The Jaccard model seemed to be the most durable and computationally efficient for the problem and was chosen as the algorithm for detecting Suicidal Tendencies in Users' Tweets.
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