CLEF-2025 CheckThat! Lab -- Call for Participation in Task 4

Join us in this year’s CheckThat! Lab, tackling critical challenges in fact-checking and information verification.

🔥 Spotlight on Task 4: Scientific Web Discourse (based on data from the GESIS - Leibniz Institute for the Social Sciences 1% Random Sample Twitter Archive)
Dive deep into cutting-edge NLP by (4a) classifying online scientific discourse and (4b) retrieving informally mentioned papers.
🌍 Language: English

🌟 Additional Tasks
🔍 Task 1: Detect subjectivity in text across five languages.
✏️ Task 2: Extract and normalize claims from social media in 20 languages.
📊 Task 3: Verify numerical claims in Arabic, English, and Spanish.

🗓️ Key Dates:
25 April 2025: Lab registration closes
30 April 2025: Beginning of the evaluation cycle (test sets release)
10 May 2025 (23:59 AOE): End of the evaluation cycle (run submission)

🎓 Who Should Join?
Researchers, students, and professionals in NLP, AI, and fact-checking ready to make an impact.

👉 Register Now: https://clef2025-labs-registration.dei.unipd.it/registrationForm.php

👉 Learn More: https://checkthat.gitlab.io/

👉 Access Data & Code: https://gitlab.com/checkthat_lab/clef2025-checkthat-lab


Register now and don’t miss the chance to participate and present your results at CLEF 2025 in Madrid, Spain!




Dr. Dimitar Dimitrov

Head of team Information Extraction & Linking

KTS / Information Extraction & Linking


[cid:image003.png@01DB86A0.525AE6E0]<https://www.gesis.org/en/home>

Unter Sachsenhausen 6-8 | 50667 Köln

+49 (0) 221 47694 512

dimitar.dimitrov@gesis.org<mailto:dimitar.dimitrov@gesis.org>



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You can find our information on data protection under https://www.gesis.org/en/institute/data-protection

Received on Monday, 24 February 2025 08:42:03 UTC