Call for Participation: CLEF eRisk 2026: Early Risk Prediction on the
Internet
_Are you passionate about leveraging AI for societal good? We are
pleased to announce that registration and submissions are now open for
eRisk 2026, the tenth edition of the CLEF associated evaluation lab of
early risk prediction on the Internet!!. Full details are available on
the eRisk website._
_Tasks for eRisk 2026 (All the info available at
https://erisk.irlab.org/)_
_*Task 1: Conversational Depression Detection with LLMs_
_Participants will interact with fine-tuned LLM personas that will be
released on Hugging Face. Each persona simulates a different depression
severity. Systems must decide whether the persona is depressed, estimate
its overall depression level, and detect active depressive symptoms._
_*Task 2: Contextualised Early Detection of Depression _
_A continuation of last year's contextual detection task: systems
analyze full multi-participant conversational contexts arriving
sequentially, and make early predictions about depression risk,
balancing timeliness and accuracy._
_*Task 3: ADHD Symptom Sentence Ranking (ASRS-v1.1) _
_A novel task expanding beyond depression. Participants will rank
sentences by their relevance to each of the 18 symptoms in the ASRS-v1.1
scale. The setup follows the classical ranking-task format, offering no
annotated training set at launch (zero-shot setup)._
_ _
_- Why Participate?_
_Publication & Visibility: Accepted contributions will be featured in
CEUR-WS (Workshop Proceedings) and acknowledged at CLEF 2026 (Jena,
Germany, 21-24 September 2026), offering wide academic and community
exposure._
_Interdisciplinary Impact: eRisk blends information retrieval, NLP,
computational psychiatry, and social data science: a unique opportunity
for collaboration._
_Leading-Edge Challenges: With conversational agents and symptom-level
retrieval, eRisk 2026 targets more realistic, fine-grained, and
clinically relevant tasks than ever before._
_ _
_- Key Dates _
_ _
_- Datasets Release:_
_ -T1 and T2: 19th December 2026 for training collection and 9th
February 2026 beginning of test stage (servers are open)_
_ -T3: no training data, 19th December 2026 release of test
collection, and 9th February 2026 beginning of test stage (servers are
open)_
_ _
_ _
_- Submission Deadlines:_
_ -T1: 20th April 2026 end of test stage_
_ -T2: 13th April 2026 end of test stage (server closes)_
_ -T3: 1st April 2026 for submitting participants' results to FTP_
_ _
_ _
_- CLEF 2026 Conference: 21-24 September 2026, Jena, Germany. _
_ _
_How to Sign Up & Contribute_
_1. Register: Sign up through the [CLEF 2026 Labs Registration
site](https://clef-labs-registration.dipintra.it/ [1])_
_2. Submit Agreements: Complete the user agreement form to access
datasets. _
_3. Join the Community: Join our Google Groups
https://groups.google.com/g/erisk-clef [2] !_
_After evaluation, submit a workshop paper describing your approach and
results for publication in CEUR-WS._
_ _
_ _
_We encourage you (and your research group) to join us in advancing the
state of early risk detection. Please feel free to forward this message
to any colleagues who may be interested._
_Best regards,_
_Javier Parapar, Anxo Pérez, Xi Wang, Fabio Crestani_
_eRisk organizers"_
Links:
------
[1] https://clef-labs-registration.dipintra.it/
[2] https://groups.google.com/g/erisk-clef
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