Savvas Zannettou

schoolDelft University of Technologybar_chart#4723 Global Rank

Total Papers

HCI Rank

#4723

Research Areas

Years Active

Recent Publications

Gold Standard or Gold-Plated? Human Practices of Triple Verification in CSAM Takedown

Child sexual abuse material (CSAM) presents a critical challenge for online safety, yet the verification procedures that determine which items are classified as CSAM remain poorly understood. Triple verification (requiring three reviewers to agree) is promoted as a safeguard, but little is known about how it is implem…

CHI '241st AuthorRecommender System UX +2

Analyzing User Engagement with TikTok's Short Format Video Recommendations using Data Donations

Short-format videos have exploded on platforms like TikTok, Instagram, and YouTube. Despite this, the research community lacks large-scale empirical studies into how people engage with short-format videos and the role of recommendation systems that offer endless streams of such content. In this work, we analyze user…

CSCW '215th+ AuthorSocial Media

Dissecting the Meme Magic: Understanding Indicators of Virality in Image Memes

Despite the increasingly important role played by image memes in online communication, the research community does not have a good understanding of the elements that can have an effect in making a meme go viral on social media. In this paper, we investigate what visual elements influence the chances that an image meme…

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