Fact-checking has become increasingly important due to the speed with which both
information and misinformation can spread in the modern media ecosystem. Therefore …

We present the results and the main findings of SemEval-2020 Task 11 on Detection of
Propaganda Techniques in News Articles. The task featured two subtasks. Subtask SI is …

We describe SemEval-2021 task 6 on Detection of Persuasion Techniques in Texts and
Images: the data, the annotation guidelines, the evaluation setup, the results, and the …

With the emergence of the COVID-19 pandemic, the political and the medical aspects of
disinformation merged as the problem got elevated to a whole new level to become the first …

We study the fact-checking problem, which aims to identify the veracity of a given claim.
Specifically, we focus on the task of Fact Extraction and VERification (FEVER) and its …

We describe the fourth edition of the CheckThat! Lab, part of the 2021 Cross-Language
Evaluation Forum (CLEF). The lab evaluates technology supporting various tasks related to …

We describe the fourth edition of the CheckThat! Lab, part of the 2021 Conference and Labs
of the Evaluation Forum (CLEF). The lab evaluates technology supporting tasks related to …

We present an overview of the third edition of the CheckThat! Lab at CLEF 2020. The lab
featured five tasks in two different languages: English and Arabic. The first four tasks …

The five editions of the CheckThat! lab so far have focused on the main tasks of the
information verification pipeline: check-worthiness, evidence retrieval and pairing, and …

The fifth edition of the CheckThat! Lab is held as part of the 2022 Conference and Labs of
the Evaluation Forum (CLEF). The lab evaluates technology supporting various factuality …