activity
20202026
most citedOverview of the CLEF--2021 CheckThat! Lab on Detecting Check-Worthy Claims, Previously Fact-Checked Claims, and Fake News

18 citations · 53 across the 11 of their papers we have counts for

collaborators

14 papers

cs.CV2026

MovieRecapsQA: A Multimodal Open-Ended Video Question-Answering Benchmark

Shaden Shaar, Bradon Thymes, Sirawut Chaixanien +2

Understanding real-world videos such as movies requires integrating visual and dialogue cues. Yet existing VideoQA benchmarks struggle to capture this multimodal reasoning and, giv…

cs.CL2024

Are Triggers Needed for Document-Level Event Extraction?

Shaden Shaar, Wayne Chen, Maitreyi Chatterjee +3

Most existing work on event extraction has focused on sentence-level texts and presumes the identification of a trigger-span -- a word or phrase in the input that evokes the occurr…

cs.CL2021★ 18 cited

Overview of the CLEF--2021 CheckThat! Lab on Detecting Check-Worthy Claims, Previously Fact-Checked Claims, and Fake News

Preslav Nakov, Giovanni Da San Martino, Tamer Elsayed +16

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…

cs.CL2021

Findings of the NLP4IF-2021 Shared Tasks on Fighting the COVID-19 Infodemic and Censorship Detection

Shaden Shaar, Firoj Alam, Giovanni Da San Martino +4

We present the results and the main findings of the NLP4IF-2021 shared tasks. Task 1 focused on fighting the COVID-19 infodemic in social media, and it was offered in Arabic, Bulga…

cs.CL2021

Cross-lingual Emotion Detection

Sabit Hassan, Shaden Shaar, Kareem Darwish

Emotion detection can provide us with a window into understanding human behavior. Due to the complex dynamics of human emotions, however, constructing annotated datasets to train a…

cs.MM2021★ 2 cited

SemEval-2021 Task 6: Detection of Persuasion Techniques in Texts and Images

Dimitar Dimitrov, Bishr Bin Ali, Shaden Shaar +5

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 participa…

cs.CL2021★ 1 cited

The Role of Context in Detecting Previously Fact-Checked Claims

Shaden Shaar, Firoj Alam, Giovanni Da San Martino +1

Recent years have seen the proliferation of disinformation and fake news online. Traditional approaches to mitigate these issues is to use manual or automatic fact-checking. Recent…

cs.MM2021★ 13 cited

A Survey on Multimodal Disinformation Detection

Firoj Alam, Stefano Cresci, Tanmoy Chakraborty +6

Recent years have witnessed the proliferation of offensive content online such as fake news, propaganda, misinformation, and disinformation. While initially this was mostly about t…

cs.AI2021

Automated Fact-Checking for Assisting Human Fact-Checkers

Preslav Nakov, David Corney, Maram Hasanain +6

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 an…

cs.CL2020★ 3 cited

Overview of CheckThat! 2020: Automatic Identification and Verification of Claims in Social Media

Alberto Barron-Cedeno, Tamer Elsayed, Preslav Nakov +9

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 com…

cs.IR2020★ 15 cited

Fighting the COVID-19 Infodemic in Social Media: A Holistic Perspective and a Call to Arms

Firoj Alam, Fahim Dalvi, Shaden Shaar +8

With the outbreak of the COVID-19 pandemic, people turned to social media to read and to share timely information including statistics, warnings, advice, and inspirational stories.…

cs.CL2020

That is a Known Lie: Detecting Previously Fact-Checked Claims

Shaden Shaar, Giovanni Da San Martino, Nikolay Babulkov +1

The recent proliferation of "fake news" has triggered a number of responses, most notably the emergence of several manual fact-checking initiatives. As a result and over time, a la…

cs.CL2020

Prta: A System to Support the Analysis of Propaganda Techniques in the News

Giovanni Da San Martino, Shaden Shaar, Yifan Zhang +3

Recent events, such as the 2016 US Presidential Campaign, Brexit and the COVID-19 "infodemic", have brought into the spotlight the dangers of online disinformation. There has been…

cs.CL2020★ 1 cited

Fighting the COVID-19 Infodemic: Modeling the Perspective of Journalists, Fact-Checkers, Social Media Platforms, Policy Makers, and the Society

Firoj Alam, Shaden Shaar, Fahim Dalvi +14

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 glo…