collaborators

6 papers

cs.CL2025

Hierarchical Level-Wise News Article Clustering via Multilingual Matryoshka Embeddings

Hans W. A. Hanley, Zakir Durumeric

Contextual large language model embeddings are increasingly utilized for topic modeling and clustering. However, current methods often scale poorly, rely on opaque similarity metri…

cs.SI2025

Bridging the Narrative Divide: Cross-Platform Discourse Networks in Fragmented Ecosystems

Patrick Gerard, Hans W. A. Hanley, Luca Luceri +1

Political discourse has grown increasingly fragmented across different social platforms, making it challenging to trace how narratives spread and evolve within such a fragmented in…

cs.CY2025

Partial Mobilization: Tracking Multilingual Information Flows Amongst Russian Media Outlets and Telegram

Hans W. A. Hanley, Zakir Durumeric

In response to disinformation and propaganda from Russian online media following the invasion of Ukraine, Russian media outlets such as Russia Today and Sputnik News were banned th…

cs.SI2025

Tracking the Takes and Trajectories of English-Language News Narratives across Trustworthy and Worrisome Websites

Hans W. A. Hanley, Emily Okabe, Zakir Durumeric

Understanding how misleading and outright false information enters news ecosystems remains a difficult challenge that requires tracking how narratives spread across thousands of fr…

cs.SI2024

Twits, Toxic Tweets, and Tribal Tendencies: Trends in Politically Polarized Posts on Twitter

Hans W. A. Hanley, Zakir Durumeric

Social media platforms are often blamed for exacerbating political polarization and worsening public dialogue. Many claim that hyperpartisan users post pernicious content, slanted…

cs.SI2024

Sub-Standards and Mal-Practices: Misinformation's Role in Insular, Polarized, and Toxic Interactions on Reddit

Hans W. A. Hanley, Zakir Durumeric

In this work, we examine the influence of unreliable information on political incivility and toxicity on the social media platform Reddit. We show that comments on articles from un…