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We introduce Limited Rollout Beam Search (LRBS), a beam search strategy for deep reinforcement learning (DRL) based combinatorial optimization improvement heuristics. Utilizing pre-trained models on the Euclidean Traveling Salesperson…

机器学习 · 计算机科学 2024-12-16 Federico Julian Camerota Verdù , Lorenzo Castelli , Luca Bortolussi

Mean Field Control Games (MFCGs) provide a powerful theoretical framework for analyzing systems of infinitely many interacting agents, blending elements from Mean Field Games (MFGs) and Mean Field Control (MFC). However, solving the coupled…

机器学习 · 计算机科学 2025-01-03 Nianli Peng , Yilin Wang

Monte-Carlo planning and Reinforcement Learning (RL) are essential to sequential decision making. The recent AlphaGo and AlphaZero algorithms have shown how to successfully combine these two paradigms in order to solve large scale…

机器学习 · 计算机科学 2021-02-17 Tuan Dam , Carlo D'Eramo , Jan Peters , Joni Pajarinen

Optimal decision making with limited or no information in stochastic environments where multiple agents interact is a challenging topic in the realm of artificial intelligence. Reinforcement learning (RL) is a popular approach for arriving…

机器学习 · 计算机科学 2019-01-08 Roi Ceren

Monte Carlo Tree Search (MCTS) methods have proven powerful in planning for sequential decision-making problems such as Go and video games, but their performance can be poor when the planning depth and sampling trajectories are limited or…

人工智能 · 计算机科学 2016-04-26 Xiaoxiao Guo , Satinder Singh , Richard Lewis , Honglak Lee

This paper introduces the MCTS algorithm to the financial world and focuses on solving significant multi-period financial planning models by combining a Monte Carlo Tree Search algorithm with a deep neural network. The MCTS provides an…

计算金融 · 定量金融 2022-05-19 Afşar Onat Aydınhan , Xiaoyue Li , John M. Mulvey

Bayesian optimization (BO) is a popular method for computationally expensive black-box optimization. However, traditional BO methods need to solve new problems from scratch, leading to slow convergence. Recent studies try to extend BO to a…

机器学习 · 计算机科学 2024-12-11 Shukuan Wang , Ke Xue , Lei Song , Xiaobin Huang , Chao Qian

This work proposes a process for efficiently searching over combinations of individual object 6D pose hypotheses in cluttered scenes, especially in cases involving occlusions and objects resting on each other. The initial set of candidate…

机器人学 · 计算机科学 2017-10-25 Chaitanya Mitash , Abdeslam Boularias , Kostas E. Bekris

In reinforcement learning, Monte Carlo algorithms update the Q function by averaging the episodic returns. In the Monte Carlo UCB (MC-UCB) algorithm, the action taken in each state is the action that maximizes the Q function plus an Upper…

机器学习 · 计算机科学 2025-03-18 Zixuan Dong , Che Wang , Keith Ross

Monte Carlo Tree Search (MCTS) is a widely used approach for policy improvement through search with increasing popularity for real world applications. Due to the sequential and deterministic nature of its search, runtime-scaling of MCTS…

机器学习 · 计算机科学 2026-05-22 Yaniv Oren , Viliam Vadocz , Joery A. de Vries , Wendelin Böhmer , Matthijs T. J. Spaan , Hendrik Baier

We develop a new continual meta-learning method to address challenges in sequential multi-task learning. In this setting, the agent's goal is to achieve high reward over any sequence of tasks quickly. Prior meta-reinforcement learning…

机器学习 · 计算机科学 2021-12-09 Glen Berseth , Zhiwei Zhang , Grace Zhang , Chelsea Finn , Sergey Levine

In this paper, the real-time deployment of unmanned aerial vehicles (UAVs) as flying base stations (BSs) for optimizing the throughput of mobile users is investigated for UAV networks. This problem is formulated as a time-varying…

网络与互联网体系结构 · 计算机科学 2020-02-04 Zhiwei Chen , Yi Zhong , Xiaohu Ge , Yi Ma

This paper presents a novel algorithm for the continuous control of dynamical systems that combines Trajectory Optimization (TO) and Reinforcement Learning (RL) in a single framework. The motivations behind this algorithm are the two main…

Automated agent workflows can enhance the problem-solving ability of large language models (LLMs), but common search strategies rely on stochastic exploration and often traverse implausible branches. This occurs because current pipelines…

人工智能 · 计算机科学 2026-01-21 Qitong Fang , Haotian Li , Xu Wang

Making changes to a program to optimize its performance is an unscalable task that relies entirely upon human intuition and experience. In addition, companies operating at large scale are at a stage where no single individual understands…

机器学习 · 计算机科学 2020-05-08 Don M. Dini

Monte-Carlo Tree Search (MCTS) is a widely-used strategy for online planning that combines Monte-Carlo sampling with forward tree search. Its success relies on the Upper Confidence bound for Trees (UCT) algorithm, an extension of the UCB…

人工智能 · 计算机科学 2024-06-05 Tuan Dam , Odalric-Ambrym Maillard , Emilie Kaufmann

Sample efficiency is a critical property when optimizing policy parameters for the controller of a robot. In this paper, we evaluate two state-of-the-art policy optimization algorithms. One is a recent deep reinforcement learning method…

机器学习 · 计算机科学 2016-08-23 Arnaud de Froissard de Broissia , Olivier Sigaud

Metropolis Monte Carlo simulation is a powerful tool for studying the equilibrium properties of matter. In complex condensed-phase systems, however, it is difficult to design Monte Carlo moves with high acceptance probabilities that also…

统计力学 · 物理学 2014-05-27 Jerome P. Nilmeier , Gavin E. Crooks , David D. L. Minh , John D. Chodera

Monte Carlo Tree Search (MCTS) has recently emerged as a powerful technique for enhancing the reasoning capabilities of LLMs. Techniques such as SFT or DPO have enabled LLMs to distill high-quality behaviors from MCTS, improving their…

机器学习 · 计算机科学 2024-10-10 Xiyao Wang , Linfeng Song , Ye Tian , Dian Yu , Baolin Peng , Haitao Mi , Furong Huang , Dong Yu

We consider the core reinforcement-learning problem of on-policy value function approximation from a batch of trajectory data, and focus on various issues of Temporal Difference (TD) learning and Monte Carlo (MC) policy evaluation. The two…