Browsing by Author "Ali, Zien Sheikh"

Now showing items 1-6 of 6

    • AraFacts: The First Large Arabic Dataset of Naturally-Occurring Professionally-Verified Claims 

      Ali, Zien Sheikh; Mansour, Watheq; Elsayed, Tamer; Al-Ali, Abdulaziz ( Association for Computational Linguistics (ACL) , 2021 , Conference Paper)
      We introduce AraFacts, the first large Arabic dataset of naturally-occurring claims collected from 5 Arabic fact-checking websites, e.g., Fatabyyano and Misbar, covering claims since 2016. Our dataset consists of 6,222 ...

    • BIGIR at CLEF 2019: Automatic verification of Arabic claims over the web 

      Haouari, Fatima; Ali, Zien Sheikh; Elsayed, Tamer ( CEUR-WS , 2019 , Conference Paper)
      With the proliferation of fake news and its prevalent impact on democracy, journalism, and public opinions, manual fact-checkers become unscalable to the volume and speed of fake news propagation. Automatic fact-checkers ...

    • Detecting Users Prone to Spread Fake News on Arabic Twitter 

      Ali, Zien Sheikh; Al-Ali, Abdulaziz; Elsayed, Tamer ( European Language Resources Association , 2022 , Conference Paper)
      The spread of misinformation has become a major concern to our society, and social media is one of its main culprits. Evidently, health misinformation related to vaccinations has slowed down global efforts to fight the ...

    • Overview of the CLEF-2021 CheckThat! Lab Task 1 on check-worthiness estimation in tweets and political debates 

      Shaar, Shaden; Hasanain, Maram; Hamdan, Bayan; Ali, Zien Sheikh; Haouari, Fatima; ... more authors ( CEUR-WS , 2021 , Conference Paper)
      We present an overview of Task 1 of the fourth edition of the CheckThat! Lab, part of the 2021 Conference and Labs of the Evaluation Forum (CLEF). The task asks to predict which posts in a Twitter stream are worth ...

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

      Nakov, Preslav; Da San Martino, Giovanni; Elsayed, Tamer; Barrón-Cedeño, Alberto; Míguez, Rubén; ... more authors ( Springer Science and Business Media Deutschland GmbH , 2021 , Conference Paper)
      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 factuality, and covers Arabic, Bulgarian, ...

    • Tahaqqaq: A Real-Time System for Assisting Twitter Users in Arabic Claim Verification 

      Ali, Zien Sheikh; Mansour, Watheq; Haouari, Fatima; Hasanain, Maram; Elsayed, Tamer; ... more authors ( Association for Computing Machinery, Inc , 2023 , Conference Paper)
      Over the past years, notable progress has been made towards fighting misinformation spread over social media, encouraging the development of many fact-checking systems. However, systems that operate over Arabic content are ...