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Sampling-based algorithms for robot path planning offer probabilistic completeness and strong empirical convergence properties across environments with diverse obstacle configurations. However, in practice, these methods often require many…

Robotics · Computer Science 2026-05-26 Hichem Cheriet , Badra Khellat Kihel , Samira Chouraqui , Bara J. Emran

Multi-Agent Path Finding (MAPF) is an NP-hard problem well studied in artificial intelligence and robotics. It has many real-world applications for which existing MAPF solvers use various heuristics. However, these solvers are deterministic…

Artificial Intelligence · Computer Science 2017-06-12 Liron Cohen , Glenn Wagner , T. K. Satish Kumar , Howie Choset , Sven Koenig

Over the past few decades, machine learning has been widely used to learn complex tasks. Reinforcement Learning (RL), inspired by human behavior, is a great example, as it involves developing specific behaviours for specific tasks. To…

Artificial Intelligence · Computer Science 2026-04-29 Quentin Vacher , Nicolas Beuve , Mickaël Dardaillon , Karol Desnos

En Route Travel Time Estimation (ER-TTE) aims to learn driving patterns from traveled routes to achieve rapid and accurate real-time predictions. However, existing methods ignore the complexity and dynamism of real-world traffic systems,…

Machine Learning · Computer Science 2025-01-28 Zhihan Zheng , Haitao Yuan , Minxiao Chen , Shangguang Wang

Multi-Agent Path Finding (MAPF) is essential to large-scale robotic systems. Recent methods have applied reinforcement learning (RL) to learn decentralized polices in partially observable environments. A fundamental challenge of obtaining…

Robotics · Computer Science 2021-06-23 Ziyuan Ma , Yudong Luo , Hang Ma

In this paper, we propose a novel end-to-end approach for solving the multi-goal path planning problem in obstacle environments. Our proposed model, called S&Reg, integrates multi-task learning networks with a TSP solver and a path planner…

Robotics · Computer Science 2023-08-09 Yuan Huang , Kairui Gu , Hee-hyol Lee

The Multi-Agent Path Finding (MAPF) problem involves planning collision-free paths for multiple agents in a shared environment. The majority of MAPF solvers rely on the assumption that an agent can arrive at a specific location at a…

Artificial Intelligence · Computer Science 2024-01-09 Yifan Su , Rishi Veerapaneni , Jiaoyang Li

We study the problem of collective tree exploration (CTE) where a team of $k$ agents is tasked to traverse all the edges of an unknown tree as fast as possible, assuming complete communication between the agents. In this paper, we present…

Data Structures and Algorithms · Computer Science 2023-11-03 Romain Cosson , Laurent Massoulié

Knowledge Graph Question Answering aims to answer natural language questions by reasoning over structured knowledge graphs. While large language models have advanced KGQA through their strong reasoning capabilities, existing methods…

Artificial Intelligence · Computer Science 2026-01-28 Yanlin Song , Ben Liu , Víctor Gutiérrez-Basulto , Zhiwei Hu , Qianqian Xie , Min Peng , Sophia Ananiadou , Jeff Z. Pan

Incremental graph search algorithms such as D* Lite reuse previous, and perhaps partial, searches to expedite subsequent path planning tasks. In this article, we are interested in developing incremental graph search algorithms for path…

Robotics · Computer Science 2022-02-21 Zhongqiang Ren , Sivakumar Rathinam , Maxim Likhachev , Howie Choset

In this paper, we address a method that integrates reinforcement learning into the Monte Carlo tree search to boost online path planning under fully observable environments for automated parking tasks. Sampling-based planning methods under…

Artificial Intelligence · Computer Science 2025-01-03 Xinlong Zheng , Xiaozhou Zhang , Donghao Xu

Multi-Agent Path Finding (MAPF) focuses on planning collision-free paths for multiple agents. However, during the execution of a MAPF plan, agents may encounter unexpected delays, which can lead to inefficiencies, deadlocks, or even…

Multiagent Systems · Computer Science 2025-01-14 He Jiang , Muhan Lin , Jiaoyang Li

Multi-Agent Path Finding (MAPF) is a fundamental problem in artificial intelligence and robotics, requiring the computation of collision-free paths for multiple agents navigating from their start locations to designated goals. As autonomous…

Artificial Intelligence · Computer Science 2025-08-01 Shiyue Wang , Haozheng Xu , Yuhan Zhang , Jingran Lin , Changhong Lu , Xiangfeng Wang , Wenhao Li

Solving the Multi-Agent Path Finding (MAPF) problem optimally is known to be NP-Hard for both make-span and total arrival time minimization. While many algorithms have been developed to solve MAPF problems, there is no dominating optimal…

Multiagent Systems · Computer Science 2024-12-20 Jingyao Ren , Vikraman Sathiyanarayanan , Eric Ewing , Baskin Senbaslar , Nora Ayanian

Multi-Agent Path Finding (MAPF) is a critical component of logistics and warehouse management, which focuses on planning collision-free paths for a team of robots in a known environment. Recent work introduced a novel MAPF approach, LNS2,…

Robotics · Computer Science 2025-02-03 Yutong Wang , Tanishq Duhan , Jiaoyang Li , Guillaume Sartoretti

We study how to use guidance to improve the throughput of lifelong Multi-Agent Path Finding (MAPF). Previous studies have demonstrated that, while incorporating guidance, such as highways, can accelerate MAPF algorithms, this often results…

Multiagent Systems · Computer Science 2026-03-02 Yulun Zhang , He Jiang , Varun Bhatt , Stefanos Nikolaidis , Jiaoyang Li

The labeled MRPP (Multi-Robot Path Planning) problem involves routing robots from start to goal configurations efficiently while avoiding collisions. Despite progress in solution quality and runtime, its complexity and industrial relevance…

Robotics · Computer Science 2025-06-12 Teng Guo

Diverse, top-k, and top-quality planning are concerned with the generation of sets of solutions to sequential decision problems. Previously this area has been the domain of classical planners that require a symbolic model of the problem…

Artificial Intelligence · Computer Science 2023-08-28 Lyndon Benke , Tim Miller , Michael Papasimeon , Nir Lipovetzky

Lazy graph search algorithms are efficient at solving motion planning problems where edge evaluation is the computational bottleneck. These algorithms work by lazily computing the shortest potentially feasible path, evaluating edges along…

Robotics · Computer Science 2019-07-18 Mohak Bhardwaj , Sanjiban Choudhury , Byron Boots , Siddhartha Srinivasa

Decision tree (and its extensions such as Gradient Boosting Decision Trees and Random Forest) is a widely used machine learning algorithm, due to its practical effectiveness and model interpretability. With the emergence of big data, there…

Machine Learning · Computer Science 2016-11-07 Qi Meng , Guolin Ke , Taifeng Wang , Wei Chen , Qiwei Ye , Zhi-Ming Ma , Tie-Yan Liu