Wei Yang

Expert on using social media to measure users’ health both geographically and over time

Lecturer, Spatial Sciences Institute

USC Dornsife College of Letters, Arts and Sciences

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  • geo-information systems (GIS)
  • tracking health via social media
  • crowdsourcing data
  • social media analytics
  • text mining
  • health geography
  • Twitter and depression
  • depression
  • volunteered geographic information (VGI)
  • Non-negative Matrix Factorization
  • seasonal effect


  • English
  • Chinese

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