As online false information continues to grow, automated fact‐checking has gained an
increasing amount of attention in recent years. Researchers in the field of Natural Language …

Evaluating the factuality of long-form text generated by large language models (LMs) is non-
trivial because (1) generations often contain a mixture of supported and unsupported pieces …

Post-truth is a term that describes a distorting phenomenon that aims to manipulate public
opinion and behavior. One of its key engines is the spread of Fake News. Nowadays most …

The reporting and the analysis of current events around the globe has expanded from
professional, editor-lead journalism all the way to citizen journalism. Nowadays, politicians …

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 present a study on predicting the factuality of reporting and bias of news media. While
previous work has focused on studying the veracity of claims or documents, here we are …

Understanding attitudes expressed in texts, also known as stance detection, plays an
important role in systems for detecting false information online, be it misinformation …

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 …

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 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 …