46 citations · 192 across the 56 of their papers we have counts for
9 papers · 1 filter
Look behind the Censorship: Reposting-User Characterization and Muted-Topic Restoration
Yichi Qian, Qiyi Shan, Hanjia Lyu +1
The emergence of social media has largely eased the way people receive information and participate in public discussions. However, in countries with strict regulations on discussio…
American Twitter Users Revealed Social Determinants-related Oral Health Disparities amid the COVID-19 Pandemic
Yangxin Fan, Hanjia Lyu, Jin Xiao +1
Objectives: To assess self-reported population oral health conditions amid COVID-19 pandemic using user reports on Twitter. Method and Material: We collected oral health-related tw…
Learning to Aggregate and Refine Noisy Labels for Visual Sentiment Analysis
Wei Zhu, Zihe Zheng, Haitian Zheng +2
Visual sentiment analysis has received increasing attention in recent years. However, the dataset's quality is a concern because the sentiment labels are crowd-sourcing, subjective…
Misinformation versus Facts: Understanding the Influence of News Regarding COVID-19 Vaccines on Vaccine Uptake
Hanjia Lyu, Zihe Zheng, Jiebo Luo
There is a lot of fact-based information and misinformation in the online discourses and discussions about the COVID-19 vaccines. Using a sample of nearly four million geotagged En…
State-level Racially Motivated Hate Crimes Contrast Public Opinion on the #StopAsianHate and #StopAAPIHate Movement
Hanjia Lyu, Yangxin Fan, Ziyu Xiong +2
#StopAsianHate and #StopAAPIHate are two of the most commonly used hashtags that represent the current movement to end hate crimes against the Asian American and Pacific Islander c…
From Static to Dynamic Prediction: Wildfire Risk Assessment Based on Multiple Environmental Factors
Tanqiu Jiang, Sidhant K. Bendre, Hanjia Lyu +1
Wildfire is one of the biggest disasters that frequently occurs on the west coast of the United States. Many efforts have been made to understand the causes of the increases in wil…
Understanding Patterns of Users Who Repost Censored Posts on Weibo
Yichi Qian, Feng Yuan, Hanjia Lyu +1
In this study, we focus on understanding patterns of users whose repost contents would later be censored on Weibo, a counterpart of Twitter in China as a social media platform. Lit…
Observational Study of Working from Home during the COVID-19 Pandemic Using Social Media Data
Ziyu Xiong, Pin Li, Hanjia Lyu +1
Since March 2020, companies nationwide have started work from home (WFH) due to the rapid increase of confirmed COVID-19 cases in an attempt to help prevent the coronavirus from sp…
Characterizing Discourse about COVID-19 Vaccines: A Reddit Version of the Pandemic Story
Wei Wu, Hanjia Lyu, Jiebo Luo
It has been one year since the outbreak of the COVID-19 pandemic. The good news is that vaccines developed by several manufacturers are being actively distributed worldwide. Howeve…