2013 AnIntegratedFrameworkforSuicide

• (Tran et al., 2013) ⇒ Truyen Tran, Dinh Phung, Wei Luo, Richard Harvey, Michael Berk, and Svetha Venkatesh. (2013). “An Integrated Framework for Suicide Risk Prediction.” In: Proceedings of the 19th ACM SIGKDD International Conference on Knowledge Discovery and Data Mining. ISBN:978-1-4503-2174-7 doi:10.1145/2487575.2488196

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• http://scholar.google.com/scholar?q=%222013%22+An+Integrated+Framework+for+Suicide+Risk+Prediction
• http://dl.acm.org/citation.cfm?id=2487575.2488196&preflayout=flat#citedby

Quotes

Author Keywords

• Filter bank; health; machine learning; medical data analysis; medical information systems; one-sided convolutional kernels; risk modelling; risk prediction; suicide

Abstract

Suicide is a major concern in society. Despite of great attention paid by the community with very substantive medico-legal implications, there has been no satisfying method that can reliably predict the future attempted or completed suicide. We present an integrated machine learning framework to tackle this challenge. Our proposed framework consists of a novel feature extraction scheme, an embedded feature selection process, a set of risk classifiers and finally, a risk calibration procedure. For temporal feature extraction, we cast the patient's clinical history into a temporal image to which a bank of one-side filters are applied. The responses are then partly transformed into mid-level features and then selected in [[l₁-norm framework]] under the extreme value theory. A set of probabilistic ordinal risk classifiers are then applied to compute the risk probabilities and further re-rank the features. Finally, the predicted risks are calibrated. Together with our Australian partner, we perform comprehensive study on data collected for the mental health cohort, and the experiments validate that our proposed framework outperforms risk assessment instruments by medical practitioners.

References

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	Author	volume	Date Value	title	type	journal	titleUrl	doi	note	year
2013 AnIntegratedFrameworkforSuicide	Dinh Phung Truyen Tran Svetha Venkatesh Wei Luo Richard Harvey Michael Berk			An Integrated Framework for Suicide Risk Prediction				10.1145/2487575.2488196		2013