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Real-world videos contain many complex actions with inherent relationships between action classes. In this work, we propose an attention-based architecture that models these action relationships for the task of temporal action localization…

Computer Vision and Pattern Recognition · Computer Science 2021-06-01 Praveen Tirupattur , Kevin Duarte , Yogesh Rawat , Mubarak Shah

In this paper, we place the atomic action detection problem into a Long-Short Term Context (LSTC) to analyze how the temporal reliance among video signals affect the action detection results. To do this, we decompose the action recognition…

Computer Vision and Pattern Recognition · Computer Science 2021-10-20 Yuxi Li , Boshen Zhang , Jian Li , Yabiao Wang , Weiyao Lin , Chengjie Wang , Jilin Li , Feiyue Huang

Backdoor attacks creating 'sleeper agents' in large language models (LLMs) pose significant safety risks. This study employs mechanistic interpretability to explore resulting internal structural differences. Comparing clean Qwen2.5-3B…

Computation and Language · Computer Science 2025-08-25 Mohammed Abu Baker , Lakshmi Babu-Saheer

We argue that LLM agent security is fundamentally an agent-human interaction (AHI) problem, not a purely algorithmic one. To substantiate this position, we conduct a systematic analysis of 59 academic papers, 21 production agent systems,…

Cryptography and Security · Computer Science 2026-05-26 Peiran Wang , Ying Li , Yuan Tian

Learning and adaptation play great role in emergent socio-economic phenomena. Complex dynamics has been previously found in the systems of multiple learning agents interacting via a simple game. Meanwhile, the single agent adaptation is…

Physics and Society · Physics 2020-05-18 Arkady Zgonnikov , Ihor Lubashevsky

Stereotyped behaviors are series of postures that show very little variability between repeats. They have been used to classify the dynamics of individuals, groups and species without reference to the lower-level mechanisms that drive them.…

Cell Behavior · Quantitative Biology 2019-06-12 Luke Tweedy , Patrick Witzel , Doris Heinrich , Robert H. Insall , Robert G. Endres

Autonomous Large Language Model (LLM) agents, exemplified by OpenClaw, demonstrate remarkable capabilities in executing complex, long-horizon tasks. However, their tightly coupled instant-messaging interaction paradigm and high-privilege…

Cyber attacks cause over \$1 trillion loss every year. An important task for cyber security analysts is attack forensics. It entails understanding malware behaviors and attack origins. However, existing automated or manual malware analysis…

Information Retrieval · Computer Science 2024-04-19 Chanwoo Bae , Guanhong Tao , Zhuo Zhang , Xiangyu Zhang

Both generative adversarial networks (GAN) in unsupervised learning and actor-critic methods in reinforcement learning (RL) have gained a reputation for being difficult to optimize. Practitioners in both fields have amassed a large number…

Machine Learning · Computer Science 2017-01-19 David Pfau , Oriol Vinyals

The premise of automated alert correlation is to accept that false alerts from a low level intrusion detection system are inevitable and use attack models to explain the output in an understandable way. Several algorithms exist for this…

Artificial Intelligence · Computer Science 2010-07-05 Gianni Tedesco , Uwe Aickelin

The spread of radical ideologies is a key to fanaticism, recruitment and terrorist activities. Hence, preventing such activities requires predictive models capable of identifying areas and agents before occurrence of catastrophic terrorist…

Physics and Society · Physics 2010-05-25 Alhaji Cherif , Hirotoshi Yoshioka , Wei Ni , Prasanta Bose

Localizing people and recognizing their actions from videos is a challenging task towards high-level video understanding. Existing methods are mostly two-stage based, with one stage for person bounding box generation and the other stage for…

Computer Vision and Pattern Recognition · Computer Science 2023-04-05 Shuning Chang , Pichao Wang , Fan Wang , Jiashi Feng , Mike Zheng Show

Multi-agent systems (MAS), composed of networks of two or more autonomous AI agents, have become increasingly popular in production deployments, yet introduce security risks that do not arise in single-agent settings. Even if individual…

Multiagent Systems · Computer Science 2026-04-28 Ben Hagag , William L. Anderson , Christian Schroeder de Witt , Sarah Scheffler

Safety concerns in large language models (LLMs) have gained significant attention due to their exposure to potentially harmful data during pre-training. In this paper, we identify a new safety vulnerability in LLMs: their susceptibility to…

Computation and Language · Computer Science 2026-03-27 Qibing Ren , Hao Li , Dongrui Liu , Zhanxu Xie , Xiaoya Lu , Yu Qiao , Lei Sha , Junchi Yan , Lizhuang Ma , Jing Shao

Large Language Model (LLM) agents remain vulnerable to safety threats from the external environment, where attackers inject adversarial content into external observations such as tool-returned data, webpages, or MCP context, causing harmful…

Artificial Intelligence · Computer Science 2026-05-28 Yongxiang Li , Moxin Li , Zhixin Ma , Fengbin Zhu , Dongrui Liu , Wenjie Wang , Fuli Feng

Public attitudes toward artificial intelligence (AI) and driving safety are typically studied in isolation using variable-centered methods that assume population homogeneity, yet risk perception theory predicts that these evaluations covary…

Computers and Society · Computer Science 2026-04-07 Amir Rafe , Anika Baitullah , Subasish Das

Autonomous agent frameworks built upon large language models (LLMs) are evolving into complex, tool-integrated, and continuously operating systems, introducing security risks beyond traditional prompt-level vulnerabilities. As this paradigm…

Cryptography and Security · Computer Science 2026-05-01 Luyao Xu , Xiang Chen

Global recruitment into radical Islamic movements has spurred renewed interest in the appeal of political extremism. Is the appeal a rational response to material conditions or is it the expression of psychological and personality disorders…

Computation and Language · Computer Science 2017-04-04 Meysam Alizadeh , Ingmar Weber , Claudio Cioffi-Revilla , Santo Fortunato , Michael Macy

Activities of terrorist groups present a serious threat to the security and well-being of the general public. Counterterrorism authorities aim to identify and frustrate the plans of terrorist groups before they are put into action. Whilst…

Social and Information Networks · Computer Science 2021-12-17 Aditi Shenvi , F. Oliver Bunnin , Jim Q. Smith

Multi-simulator training has contributed to the recent success of Deep Reinforcement Learning by stabilizing learning and allowing for higher training throughputs. We propose Gossip-based Actor-Learner Architectures (GALA) where several…

Machine Learning · Computer Science 2020-04-23 Mahmoud Assran , Joshua Romoff , Nicolas Ballas , Joelle Pineau , Michael Rabbat