no code implementations • 8 Aug 2024 • Jason Alexander, Priyal Nanda, Kai-Cheng Yang, Ali Sarvghad
The proliferation of misleading visualizations online, particularly during critical events like public health crises and elections, poses a significant risk.
1 code implementation • 5 Jan 2024 • Kai-Cheng Yang, Danishjeet Singh, Filippo Menczer
Applying this method to a random sample of active Twitter users, we estimate a lower bound for the prevalence of profiles using GAN-generated faces between 0. 021% and 0. 044% -- around 10K daily active accounts.
no code implementations • 10 Dec 2023 • Zening Duan, Anqi Shao, Yicheng Hu, Heysung Lee, Xining Liao, Yoo Ji Suh, Jisoo Kim, Kai-Cheng Yang, Kaiping Chen, Sijia Yang
Using moral content in tweets as a case study, we illustrate the steps to construct the moral foundations vec-tionary, showcasing its ability to process texts missed by conventional dictionaries and word embedding methods and to produce measurements better aligned with crowdsourced human assessments.
1 code implementation • 21 Aug 2023 • Matthew R. DeVerna, Harry Yaojun Yan, Kai-Cheng Yang, Filippo Menczer
Fact checking can be an effective strategy against misinformation, but its implementation at scale is impeded by the overwhelming volume of information online.
1 code implementation • 30 Jul 2023 • Kai-Cheng Yang, Filippo Menczer
Large language models (LLMs) exhibit impressive capabilities in generating realistic text across diverse subjects.
2 code implementations • 1 Apr 2023 • Kai-Cheng Yang, Filippo Menczer
Search engines increasingly leverage large language models (LLMs) to generate direct answers, and AI chatbots now access the Internet for fresh data.
no code implementations • 30 Mar 2023 • Stefano Cresci, Kai-Cheng Yang, Angelo Spognardi, Roberto Di Pietro, Filippo Menczer, Marinella Petrocchi
Research on social bots aims at advancing knowledge and providing solutions to one of the most debated forms of online manipulation.
no code implementations • 19 Jan 2021 • Matthew DeVerna, Francesco Pierri, Bao Truong, John Bollenbacher, David Axelrod, Niklas Loynes, Cristopher Torres-Lugo, Kai-Cheng Yang, Fil Menczer, John Bryden
In this paper, we present the CoVaxxy dataset, a growing collection of English-language Twitter posts about COVID-19 vaccines.
Social and Information Networks
1 code implementation • ACL 2020 • Wenmeng Yu, Hua Xu, Fanyang Meng, Yilin Zhu, Yixiao Ma, Jiele Wu, Jiyun Zou, Kai-Cheng Yang
Previous studies in multimodal sentiment analysis have used limited datasets, which only contain unified multimodal annotations.
no code implementations • 11 Jun 2020 • Mohsen Sayyadiharikandeh, Onur Varol, Kai-Cheng Yang, Alessandro Flammini, Filippo Menczer
The ensemble of specialized classifiers (ESC) can better generalize, leading to an average improvement of 56\% in F1 score for unseen accounts across datasets.
1 code implementation • 4 Jun 2020 • Jisung Yoon, Kai-Cheng Yang, Woo-Sung Jung, Yong-Yeol Ahn
Graph embedding techniques, which learn low-dimensional representations of a graph, are achieving state-of-the-art performance in many graph mining tasks.
1 code implementation • 17 May 2020 • Wen Chen, Diogo Pacheco, Kai-Cheng Yang, Filippo Menczer
Conservative accounts also find themselves in denser communities and are exposed to more low-credibility content.
Social and Information Networks Computers and Society
no code implementations • 20 Nov 2019 • Kai-Cheng Yang, Onur Varol, Pik-Mai Hui, Filippo Menczer
To ensure model accuracy, we build a rich collection of labeled datasets for training and validation.
no code implementations • 3 Jan 2019 • Kai-Cheng Yang, Onur Varol, Clayton A. Davis, Emilio Ferrara, Alessandro Flammini, Filippo Menczer
Researchers have responded by developing AI tools to arm the public in the fight against social bots.
Computers and Society