CLEF 2025 - CheckThat! Lab

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Editions

Tasks

Contents

Subjectivity, Fact-Checking, Claim Extraction & Normalization, and Retrieval

Tasks

  • Task 1 Subjectivity
  • Task 2 Claims Extraction & Normalization
  • Task 3 Fact-Checking Numerical Claims
  • Task 4 Scientific Web Discourse

Registration

Please register to participate in the CheckThat! Lab tasks.

Important Dates

  • November 2024: Lab registration opens
  • December 2024: Release of the training materials
  • 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)
  • 30 May 2025: Deadline for the submission of working notes [CEUR-WS]
  • 30 May – 27 June 2025: Review process of participant papers
  • 9 June 2025: Submission of Condensed Lab Overviews [LNCS]
  • 16 June 2025: Notification of Acceptance for Condensed Lab Overviews [LNCS]
  • 23 June 2025: Camera Ready Copy of Condensed Lab Overviews [LNCS] due
  • 27 June 2025: Notification of Acceptance for Participant Papers [CEUR-WS]
  • 7 July 2025: Camera Ready Copy of Participant Papers and Extended Lab Overviews [CEUR-WS] due
  • 21-25 July 2025: CEUR-WS Working Notes Preview for Checking by Authors and Lab Organizers
  • 9-12 September 2025: CLEF 2025 Conference in Madrid, Spain

Recent Updates

  • 7 Sept, 2024: website is up.

Organisers

  • General:
  • Task 1: Federico Ruggeri, Università di Bologna, Italy
  • Task 2:
    • Preslav Nakov, MBZUAI, UAE
    • Tanmoy Chakraborty, Indian Institute of Technology Delhi, India
  • Task 3: Vinay Setty, University of Stavanger, Norway
  • Task 4: Stefan Dietze, GESIS - Leibniz Institute for the Social Sciences, Cologne, Germany

PC chairs

Communication chair

  • Firoj Alam, Qatar Computing Research Institute, HBKU, Qatar

Citations

TBA

CLEF 2025

This edition of the CheckThat! lab is held within CLEF 2025, part of the CLEF initiative.