This document provides all details needed to have access to the research collection eRisk 2020.
Any scientific publication derived from the use of this collection should explicitly refer to the following CLEF 2016 paper:
David Losada, Fabio Crestani. “A Test Collection for Research on Depression and Language use”. In Experimental IR Meets Multilinguality, Multimodality, and Interaction 7th International Conference of the CLEF Association, CLEF 2016, Évora, Portugal, September 5-8, 2016 . Bibtex: bibtex file
The eRisk 2021 collection is available for research purposes under proper user agreements.
The collection contains textual interactions (posts or comments) from multiple users (task2: pathological gamblers and non-pathological gamblers, task2: self-harm and non-self-harm users; ). For each subject, a (usually long) history of writings (posts or comments from a social networking site) is available. This is stored as a XML file (one per subject) with the following structure:
<INDIVIDUAL>
<ID> ... </ID>
<WRITING>
<TITLE> ... </TITLE>
<DATE> ... </DATE>
<INFO> ... </INFO>
<TEXT> ... </TEXT>
</WRITING>
<WRITING>
<TITLE> ... </TITLE>
<DATE> ... </DATE>
<INFO> ... </INFO>
<TEXT> ... </TEXT>
</WRITING>
....
</INDIVIDUAL>ID: contains the anonymised id of the subject
TITLE: title of the post if available (if it is a comment then TITLE is empty)
INFO: additional info about the writing (source of the post/comment)
TEXT: body of the post or comment
This collection can only be used for research purposes. If you are interested in having access to this data, please fill the following user agreement and send it to david.losada@usc.es .