Fake news on social networks is a challenging problem due to the rapid dissemination and
volume of information, as well as the ease of creating and sharing content anonymously …

We describe the sixth edition of the CheckThat! lab, part of the 2023 Conference and Labs of
the Evaluation Forum (CLEF). The five previous editions of CheckThat! focused on the main …

Recent advancements in Large Language Models (LLMs) have significantly influenced the
landscape of language and speech research. Despite this progress, these models lack …

Abstract Recent advancements in Large Language Models (LLMs) have significantly
influenced the landscape of language and speech research. Despite this progress, these …

We present an overview of CheckThat! Lab's 2023 Task 1, which is part of CLEF-2023. Task
1 asks to determine whether a text item, or a text coupled with an image, is check-worthy …

We present an overview of the CheckThat! Lab 2024 Task 1, part of CLEF 2024. Task 1
involves determining whether a text item is check-worthy, with a special emphasis on COVID …

We describe the outcome of the 2023 edition of the CheckThat! Lab at CLEF. We focus on
subjectivity (Task 2), which has been proposed for the first time. It aims at fostering the …

In an era where information is quickly shared across many cultural and language contexts,
the neutrality and integrity of news media are essential. Ensuring that media content remains …

Claim span identification (CSI) is an important step in fact-checking pipelines, aiming to
identify text segments that contain a checkworthy claim or assertion in a social media post …

We provide an overview of task 3 of the CheckThat! lab from the Cross-Language Evaluation
Forum (CLEF) 2023, which focuses on predicting the political leaning of English-language …