no code implementations • 11 Dec 2022 • Giovanni Apruzzese, V. S. Subrahmanian
In this paper, we propose a set of Gray-Box attacks on PDs that an adversary may use which vary depending on the knowledge that he has about the PD.
no code implementations • 3 Jun 2020 • Chongyang Bai, Haipeng Chen, Srijan Kumar, Jure Leskovec, V. S. Subrahmanian
Our M2P2 (Multimodal Persuasion Prediction) framework is the first to use multimodal (acoustic, visual, language) data to solve the IPP problem.
no code implementations • 19 Feb 2020 • Subhra Mazumdar, Arindam Pal, Francesco Parisi, V. S. Subrahmanian
Past work on evacuation planning assumes that evacuees will follow instructions -- however, there is ample evidence that this is not the case.
no code implementations • 3 Jun 2019 • Chongyang Bai, Tommy White, Linda Xiao, V. S. Subrahmanian, Ziheng Zhou
Moreover, we experimentally show that the use of similarity metrics within our C2P2 algorithm leads to a direct improvement for 20 out of 21 cryptocurrencies ranging from 0. 4% to 17. 8%.
no code implementations • 15 May 2019 • Chongyang Bai, Maksim Bolonkin, Judee Burgoon, Chao Chen, Norah Dunbar, Bharat Singh, V. S. Subrahmanian, Zhe Wu
Most work on automated deception detection (ADD) in video has two restrictions: (i) it focuses on a video of one person, and (ii) it focuses on a single act of deception in a one or two minute video.
no code implementations • 12 Dec 2017 • Zhe Wu, Bharat Singh, Larry S. Davis, V. S. Subrahmanian
We present a system for covert automated deception detection in real-life courtroom trial videos.
no code implementations • 21 Mar 2017 • Srijan Kumar, Justin Cheng, Jure Leskovec, V. S. Subrahmanian
Further, pairs of sockpuppets controlled by the same individual are more likely to interact on the same discussion at the same time than pairs of ordinary users.
no code implementations • 20 Jan 2016 • V. S. Subrahmanian, Amos Azaria, Skylar Durst, Vadim Kagan, Aram Galstyan, Kristina Lerman, Linhong Zhu, Emilio Ferrara, Alessandro Flammini, Filippo Menczer, Andrew Stevens, Alexander Dekhtyar, Shuyang Gao, Tad Hogg, Farshad Kooti, Yan Liu, Onur Varol, Prashant Shiralkar, Vinod Vydiswaran, Qiaozhu Mei, Tim Hwang
A number of organizations ranging from terrorist groups such as ISIS to politicians and nation states reportedly conduct explicit campaigns to influence opinion on social media, posing a risk to democratic processes.