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Can-x2vec-Save-Lives

Base code for Ruch (2020) "Can x2vec Save Lives? Integrating Graph and Language Embeddings for Automatic Mental Health Classification" - https://arxiv.org/abs/2001.01126.

File information:

  • SQLSampler_medium.sql is used to draw a forest fire sample for a heterogeneous network from a postgres database with data from https://files.pushshift.io/reddit/
  • py4genMetaPaths.py draws metapath-random walk samples from the heterogeneous network
  • doc2vec.ipynb performs doc2vec embedding on subreddits, authors, and submissions in the network
  • Code to run metapath2vec embedding models can be found at https://ericdongyx.github.io/metapath2vec/m2v.html
  • metapath2vec_medium.ipynb uses the doc2vec and metapath2vec embedding models for visualization and classification tasks

Please note that in metapath2vec_medium.ipynb I import a graph-tool graph object to identify node attributes; however, you can create any kind of dictionary to store such information about nodes after drawing a sample with SQLSampler_medium.sql. Also, some printouts have been removed to prevent the display of potentially personally identifiable information.

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