37 citations · 158 across the 56 of their papers we have counts for
15 papers · 1 filter
Local News Hijacking: A Review of International Instances
Christine Sowa Lepird, Kathleen M. Carley
In the rise of the digital era, it's easier than ever to create nefarious websites to spread misinformation. A more recent phenomenon in the United States has been the creation of…
Trends of Pink Slime Journalism Advertisement Expenditure and Spread on Facebook from 2019-2024
Christine Sowa Lepird, Lynnette Hui Xian Ng, Kathleen M. Carley
Pink slime journalism is a practice where news outlets publish low-quality or inflammatory partisan articles, claiming to be local news networks. This paper examines the spread of…
Extending the BEND Framework to Webgraphs
Evan M. Williams, Peter Carragher, Kyle Herdrich +2
Attempts to manipulate webgraphs can have many downstream impacts, but analysts lack shared quantitative metrics to characterize actions taken to manipulate information environment…
AuraSight: Generating Realistic Social Media Data
Lynnette Hui Xian Ng, Bianca N. Y. Kang, Kathleen M. Carley
This document details the narrative and technical design behind the process of generating a quasi-realistic set X data for a fictional multi-day pop culture episode (AuraSight). So…
Are LLM-Powered Social Media Bots Realistic?
Lynnette Hui Xian Ng, Kathleen M. Carley
As Large Language Models (LLMs) become more sophisticated, there is a possibility to harness LLMs to power social media bots. This work investigates the realism of generating LLM-P…
Public support for misinformation interventions depends on perceived fairness, effectiveness, and intrusiveness
Catherine King, Samantha C. Phillips, Kathleen M. Carley
The proliferation of misinformation on social media has concerning possible consequences, such as the degradation of democratic norms. While recent research on countering misinform…
Star Network Motifs on X during COVID-19
Lynnette Hui Xian Ng, Divyaansh Sinha, Kathleen M. Carley
Social network motifs are recurring patterns of small subgraphs that indicate fundamental patterns of social communication. In this work, we study the simple star network motifs th…
Appeal and Scope of Misinformation Spread by AI Agents and Humans
Lynnette Hui Xian Ng, Wenqi Zhou, Kathleen M. Carley
This work examines the influence of misinformation and the role of AI agents, called bots, on social network platforms. To quantify the impact of misinformation, it proposes two ne…
The Dual Personas of Social Media Bots
Lynnette Hui Xian Ng, Kathleen M. Carley
Social media bots are AI agents that participate in online conversations. Most studies focus on the general bot and the malicious nature of these agents. However, bots have many di…
Navigating Decentralized Online Social Networks: An Overview of Technical and Societal Challenges in Architectural Choices
Ujun Jeong, Lynnette Hui Xian Ng, Kathleen M. Carley +1
Decentralized online social networks have evolved from experimental stages to operating at unprecedented scale, with broader adoption and more active use than ever before. Platform…
What is a Social Media Bot? A Global Comparison of Bot and Human Characteristics
Lynnette Hui Xian Ng, Kathleen M. Carley
Chatter on social media is 20% bots and 80% humans. Chatter by bots and humans is consistently different: bots tend to use linguistic cues that can be easily automated while humans…
Data Voids and Warning Banners on Google Search
Ronald E. Robertson, Evan M. Williams, Kathleen M. Carley +1
The content moderation systems used by social media sites are a topic of widespread interest and research, but less is known about the use of similar systems by web search engines.…
SegSub: Evaluating Robustness to Knowledge Conflicts and Hallucinations in Vision-Language Models
Peter Carragher, Nikitha Rao, Abhinand Jha +2
Vision language models (VLM) demonstrate sophisticated multimodal reasoning yet are prone to hallucination when confronted with knowledge conflicts, impeding their deployment in in…
Quantifying Memorization and Parametric Response Rates in Retrieval-Augmented Vision-Language Models
Peter Carragher, Abhinand Jha, R Raghav +1
Large Language Models (LLMs) demonstrate remarkable capabilities in question answering (QA), but metrics for assessing their reliance on memorization versus retrieval remain underd…
Social Cyber Geographical Worldwide Inventory of Bots
Lynnette Hui Xian Ng, Kathleen M. Carley
Social Cyber Geography is the space in the digital cyber realm that is produced through social relations. Communication in the social media ecosystem happens not only because of hu…