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We present a method to automatically find security strategies for the use case of intrusion prevention. Following this method, we model the interaction between an attacker and a defender as a Markov game and let attack and defense…

机器学习 · 计算机科学 2024-04-23 Kim Hammar , Rolf Stadler

This paper presents a novel approach to e-commerce payment fraud detection by integrating reinforcement learning (RL) with Large Language Models (LLMs). By framing transaction risk as a multi-step Markov Decision Process (MDP), RL optimizes…

机器学习 · 计算机科学 2025-09-24 Bo Qu , Zhurong Wang , Daisuke Yagi , Zhen Xu , Yang Zhao , Yinan Shan , Frank Zahradnik

In this paper we consider the problem of how a reinforcement learning agent tasked with solving a set of related Markov decision processes can use knowledge acquired early in its lifetime to improve its ability to more rapidly solve novel,…

人工智能 · 计算机科学 2019-02-26 Francisco M. Garcia , Bruno C. da Silva , Philip S. Thomas

We explore an online reinforcement learning (RL) paradigm to dynamically optimize parallel particle tracing performance in distributed-memory systems. Our method combines three novel components: (1) a work donation algorithm, (2) a…

图形学 · 计算机科学 2022-02-14 Jiayi Xu , Hanqi Guo , Han-Wei Shen , Mukund Raj , Skylar W. Wurster , Tom Peterka

This tutorial provides a comprehensive survey of methods for fine-tuning diffusion models to optimize downstream reward functions. While diffusion models are widely known to provide excellent generative modeling capability, practical…

机器学习 · 计算机科学 2024-07-19 Masatoshi Uehara , Yulai Zhao , Tommaso Biancalani , Sergey Levine

We study the use of inverse reinforcement learning (IRL) as a tool for the recognition of agents' behavior on the basis of observation of their sequential decision behavior interacting with the environment. We model the problem faced by the…

机器学习 · 计算机科学 2013-03-22 Qifeng Qiao , Peter A. Beling

A major goal of materials design is to find material structures with desired properties and in a second step to find a processing path to reach one of these structures. In this paper, we propose and investigate a deep reinforcement learning…

机器学习 · 计算机科学 2021-07-09 Johannes Dornheim , Lukas Morand , Samuel Zeitvogel , Tarek Iraki , Norbert Link , Dirk Helm

Attacks on machine learning models have been extensively studied through stateless optimization. In this paper, we demonstrate how a reinforcement learning (RL) agent can learn a new class of attack algorithms that generate adversarial…

密码学与安全 · 计算机科学 2025-11-20 Kyle Domico , Jean-Charles Noirot Ferrand , Ryan Sheatsley , Eric Pauley , Josiah Hanna , Patrick McDaniel

In this paper we consider the problem of how a reinforcement learning agent that is tasked with solving a sequence of reinforcement learning problems (a sequence of Markov decision processes) can use knowledge acquired early in its lifetime…

机器学习 · 计算机科学 2019-02-05 Francisco M. Garcia , Philip S. Thomas

The incremental diffusion of machine learning algorithms in supporting cybersecurity is creating novel defensive opportunities but also new types of risks. Multiple researches have shown that machine learning methods are vulnerable to…

密码学与安全 · 计算机科学 2021-06-18 Giovanni Apruzzese , Mauro Andreolini , Luca Ferretti , Mirco Marchetti , Michele Colajanni

Reactive synthesis algorithms allow automatic construction of policies to control an environment modeled as a Markov Decision Process (MDP) that are optimal with respect to high-level temporal logic specifications. However, they assume that…

形式语言与自动机理论 · 计算机科学 2022-05-31 Rajeev Alur , Suguman Bansal , Osbert Bastani , Kishor Jothimurugan

Learning in MDPs with highly complex state representations is currently possible due to multiple advancements in reinforcement learning algorithm design. However, this incline in complexity, and furthermore the increase in the dimensions of…

机器学习 · 计算机科学 2023-06-12 Ezgi Korkmaz , Jonah Brown-Cohen

Machine learning is becoming increasingly popular as a go-to approach for many tasks due to its world-class results. As a result, antivirus developers are incorporating machine learning models into their products. While these models improve…

密码学与安全 · 计算机科学 2024-03-19 Matouš Kozák , Martin Jureček , Mark Stamp , Fabio Di Troia

The rapid changes in the finance industry due to the increasing amount of data have revolutionized the techniques on data processing and data analysis and brought new theoretical and computational challenges. In contrast to classical…

数理金融 · 定量金融 2023-03-01 Ben Hambly , Renyuan Xu , Huining Yang

Many potential applications of reinforcement learning (RL) are stymied by the large numbers of samples required to learn an effective policy. This is especially true when applying RL to real-world control tasks, e.g. in the sciences or…

Integration of reinforcement learning and imitation learning is an important problem that has been studied for a long time in the field of intelligent robotics. Reinforcement learning optimizes policies to maximize the cumulative reward,…

机器学习 · 计算机科学 2023-01-18 Akira Kinose , Tadahiro Taniguchi

Reinforcement Learning (RL), one of the core paradigms in machine learning, learns to make decisions based on real-world experiences. This approach has significantly advanced AI applications across various domains, notably in smart grid…

密码学与安全 · 计算机科学 2024-02-27 Zheyu Zhang

It is a long-standing question to discover causal relations among a set of variables in many empirical sciences. Recently, Reinforcement Learning (RL) has achieved promising results in causal discovery from observational data. However,…

机器学习 · 计算机科学 2021-09-16 Xiaoqiang Wang , Yali Du , Shengyu Zhu , Liangjun Ke , Zhitang Chen , Jianye Hao , Jun Wang

Reinforcement learning (RL) is one of the most important branches of AI. Due to its capacity for self-adaption and decision-making in dynamic environments, reinforcement learning has been widely applied in multiple areas, such as…

机器学习 · 计算机科学 2023-01-03 Yunjiao Lei , Dayong Ye , Sheng Shen , Yulei Sui , Tianqing Zhu , Wanlei Zhou

Machine-learning based intrusion detection classifiers are able to detect unknown attacks, but at the same time, they may be susceptible to evasion by obfuscation techniques. An adversary intruder which possesses a crucial knowledge about a…

密码学与安全 · 计算机科学 2019-04-16 Ivan Homoliak , Martin Teknos , Martín Ochoa , Dominik Breitenbacher , Saeid Hosseini , Petr Hanacek