Overview of the CLEF-2021 CheckThat! Lab Task 2 on Detecting Previously Fact-Checked Claims in Tweets and Political Debates

Shaden Shaar, Fatima Haouari, Watheq Mansour, Maram Hasanain, Nikolay Babulkov, Firoj Alam, Giovanni Da San Martino, Tamer Elsayed, Preslav Nakov. Overview of the CLEF-2021 CheckThat! Lab Task 2 on Detecting Previously Fact-Checked Claims in Tweets and Political Debates. In Guglielmo Faggioli, Nicola Ferro 0001, Alexis Joly, Maria Maistro, Florina Piroi, editors, Proceedings of the Working Notes of CLEF 2021 - Conference and Labs of the Evaluation Forum, Bucharest, Romania, September 21st - to - 24th, 2021. Volume 2936 of CEUR Workshop Proceedings, pages 393-405, CEUR-WS.org, 2021. [doi]

Authors

Shaden Shaar

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Fatima Haouari

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Watheq Mansour

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Maram Hasanain

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Nikolay Babulkov

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Firoj Alam

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Giovanni Da San Martino

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Tamer Elsayed

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Preslav Nakov

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