Overview of eRisk: Early Risk Prediction on the Internet

This paper provides an overview of eRisk 2018. This was the second year that this lab was organized at CLEF. The main purpose of eRisk was to explore issues of evaluation methodology, effectiveness metrics and other processes related to early risk detection. Early detection technologies can be employed in different areas, particularly those related to health and safety. The second edition of eRisk had two tasks: a task on early risk detection of depression and a task on early risk detection of anorexia

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