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Research on the applicability of suicide tweet detection algorithms

2024· article· en· W4400566749 on OpenAlex

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.

Bibliographic record

VenueApplied and Computational Engineering · 2024
Typearticle
Languageen
FieldPsychology
TopicMental Health via Writing
Canadian institutionsLakehead University
Fundersnot available
KeywordsComputer scienceMachine learningRandom forestArtificial intelligenceField (mathematics)Social mediaProcess (computing)Data scienceNatural language processingWorld Wide Web

Abstract

fetched live from OpenAlex

The prevalence of social media has risen dramatically, making it a crucial platform for understanding public health issues, including the expression of suicidal behavior. This study explores the feasibility of utilizing Natural Language Processing (NLP) methods to detect suicidal tendencies through Twitter posts. We employed various advanced NLP models, such as Logistic Regression (LR) and Bidirectional Encoder Representations from Transformers (BERT), to analyze the linguistic patterns and semantic nuances inherent in tweets. Our approach also included a Majority Vote system and Term Frequency-Inverse Document Frequency (TF-IDF) techniques to enhance the detection accuracy. The objective was to develop an effective model capable of early identification of potential suicide risks, which could be crucial for timely intervention and support. This research not only contributes to the field of digital mental health monitoring but also offers insights into the potential of machine learning in addressing critical societal issues. The findings suggest that while current NLP models show promise, there are complexities and ethical considerations in applying these technologies for sensitive topics like suicide detection. The study underscores the need for continuous refinement of these models and highlights the importance of integrating human judgment in the final decision-making process.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.001
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Simulation or modeling · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.850
Threshold uncertainty score0.202

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0010.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.064
GPT teacher head0.389
Teacher spread0.325 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it