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 PMID:29897319  

Automatic extraction of informal topics from online suicidal ideation.

Reilly N Grant | David Kucher | Ana M León | Jonathan F Gemmell | Daniela S Raicu | Samah J Fodeh
BMC bioinformatics | 2018

Suicide is an alarming public health problem accounting for a considerable number of deaths each year worldwide. Many more individuals contemplate suicide. Understanding the attributes, characteristics, and exposures correlated with suicide remains an urgent and significant problem. As social networking sites have become more common, users have adopted these sites to talk about intensely personal topics, among them their thoughts about suicide. Such data has previously been evaluated by analyzing the language features of social media posts and using factors derived by domain experts to identify at-risk users.

Pubmed ID: 29897319

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word2vec (tool)

RRID:SCR_014776

Software tool which provides implementation of the continuous bag-of-words and skip-gram architectures for computing vector representations of words. These representations can be used in many natural language processing applications and for further research. It takes a text corpus as input and produces the word vectors as output. It first constructs a vocabulary from the training text data and then learns vector representation of words. The resulting word vector file can be used as features in natural language processing and machine learning applications.

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