172 citations · 644 across the 18 of their papers we have counts for
9 papers · 1 filter
How You Ask Shapes What You Get: Auditing Breast-Cancer Misinformation in TikTok Search
Pooriya Jamie, Homa Hosseinmardi, Rezvaneh Rezapour +3
Millions of people use TikTok to seek health information, yet little is known about how users' search queries shape exposure to health misinformation. Whereas prior algorithm audit…
Seeking Help, Facing Harm: Auditing TikTok's Mental Health Recommendations
Pooriya Jamie, Amir Ghasemian, Homa Hosseinmardi
Recommender systems on social media increasingly mediate how users encounter mental health content, yet it remains unclear whether they distinguish help-seeking from distress expre…
Causally estimating the effect of YouTube's recommender system using counterfactual bots
Homa Hosseinmardi, Amir Ghasemian, Miguel Rivera-Lanas +3
In recent years, critics of online platforms have raised concerns about the ability of recommendation algorithms to amplify problematic content, with potentially radicalizing conse…
Examining the consumption of radical content on YouTube
Homa Hosseinmardi, Amir Ghasemian, Aaron Clauset +3
Although it is under-studied relative to other social media platforms, YouTube is arguably the largest and most engaging online media consumption platform in the world. Recently, Y…
Capturing Edge Attributes via Network Embedding
Palash Goyal, Homa Hosseinmardi, Emilio Ferrara +1
Network embedding, which aims to learn low-dimensional representations of nodes, has been used for various graph related tasks including visualization, link prediction and node cla…
Investigating Factors Influencing the Latency of Cyberbullying Detection
Rahat Ibn Rafiq, Homa Hosseinmardi, Richard Han +2
Cyberbullying in online social networks has become a critical problem, especially among teenagers who are social networks' prolific users. As a result, researchers have focused on…
Detection of Cyberbullying Incidents on the Instagram Social Network
Homa Hosseinmardi, Sabrina Arredondo Mattson, Rahat Ibn Rafiq +3
Cyberbullying is a growing problem affecting more than half of all American teens. The main goal of this paper is to investigate fundamentally new approaches to understand and auto…
A Comparison of Common Users across Instagram and Ask.fm to Better Understand Cyberbullying
Homa Hosseinmardi, Rahat Ibn Rafiq, Shaosong Li +4
This paper examines users who are common to two popular online social networks, Instagram and Ask.fm, that are often used for cyberbullying. An analysis of the negativity and posit…
Towards Understanding Cyberbullying Behavior in a Semi-Anonymous Social Network
Homa Hosseinmardi, Amir Ghasemianlangroodi, Richard Han +2
Cyberbullying has emerged as an important and growing social problem, wherein people use online social networks and mobile phones to bully victims with offensive text, images, audi…