Search Results for author: V. S. Subrahmanian

Found 6 papers, 0 papers with code

BB_Evac: Fast Location-Sensitive Behavior-Based Building Evacuation

no code implementations19 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.

C2P2: A Collective Cryptocurrency Up/Down Price Prediction Engine

no code implementations3 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%.

Automatic Long-Term Deception Detection in Group Interaction Videos

no code implementations15 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.

Deception Detection

Deception Detection in Videos

no code implementations12 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.

Action Recognition Deception Detection In Videos

An Army of Me: Sockpuppets in Online Discussion Communities

no code implementations21 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.

The DARPA Twitter Bot Challenge

no code implementations20 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.

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