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Most works on multi-agent reinforcement learning focus on scenarios where the state of the environment is fully observable. In this work, we consider a cooperative policy evaluation task in which agents are not assumed to observe the…

Machine Learning · Computer Science 2023-05-17 Mert Kayaalp , Fatima Ghadieh , Ali H. Sayed

We consider exploration tasks in which an autonomous mobile robot incrementally builds maps of initially unknown indoor environments. In such tasks, the robot makes a sequence of decisions on where to move next that, usually, are based on…

Robotics · Computer Science 2021-04-23 Matteo Luperto , Luca Fochetta , Francesco Amigoni

The ability to learn a model is essential for the success of autonomous agents. Unfortunately, learning a model is difficult in partially observable environments, where latent environmental factors influence what the agent observes. In the…

Robotics · Computer Science 2016-08-03 Nikolas J. Hemion

In reinforcement learning (RL), an agent learns to perform a task by interacting with an environment and receiving feedback (a numerical reward) for its actions. However, the assumption that rewards are always observable is often not…

Machine Learning · Computer Science 2024-02-15 Simone Parisi , Montaser Mohammedalamen , Alireza Kazemipour , Matthew E. Taylor , Michael Bowling

If a robotic agent wants to exploit symbolic planning techniques to achieve some goal, it must be able to properly ground an abstract planning domain in the environment in which it operates. However, if the environment is initially unknown…

Artificial Intelligence · Computer Science 2022-04-11 Leonardo Lamanna , Luciano Serafini , Alessandro Saetti , Alfonso Gerevini , Paolo Traverso

This paper introduces a formal definition of the setting of ad hoc teamwork under partial observability and proposes a first-principled model-based approach which relies only on prior knowledge and partial observations of the environment in…

Multiagent Systems · Computer Science 2023-10-04 João G. Ribeiroa , Cassandro Martinhoa , Alberto Sardinhaa , Francisco S. Melo

In this paper, we study the well-known team orienteering problem where a fleet of robots collects rewards by visiting locations. Usually, the rewards are assumed to be known to the robots; however, in applications such as environmental…

Robotics · Computer Science 2021-12-16 Nils Wilde , Armin Sadeghi , Stephen L. Smith

This paper introduces a framework for Planning while Learning where an agent is given a goal to achieve in an environment whose behavior is only partially known to the agent. We discuss the tractability of various plan-design processes. We…

Artificial Intelligence · Computer Science 2014-11-17 S. Safra , M. Tennenholtz

This paper addresses the challenge of enabling a single robot to effectively assist multiple humans in decision-making for task planning domains. We introduce a comprehensive framework designed to enhance overall team performance by…

Robotics · Computer Science 2023-10-17 Abhinav Dahiya , Stephen L. Smith

The development of the works of the author about adaptive algorithms of teaching the robotic systems with the help of operator is described here. An operator is assumed to be an experience decision-maker and sane carrier of a target which…

Robotics · Computer Science 2015-09-08 Valery Vilisov

When a human receives a prediction or recommended course of action from an intelligent agent, what additional information, beyond the prediction or recommendation itself, does the human require from the agent to decide whether to trust or…

Human-Computer Interaction · Computer Science 2022-05-09 George J. Cancro , Shimei Pan , James Foulds

Manipulating unknown objects in a cluttered environment is difficult because segmentation of the scene into objects, that is, object composition is uncertain. Due to this uncertainty, earlier work has concentrated on either identifying the…

Robotics · Computer Science 2020-10-27 Joni Pajarinen , Jens Lundell , Ville Kyrki

Partially observable Markov decision processes (POMDPs) are a natural model for planning problems where effects of actions are nondeterministic and the state of the world is not completely observable. It is difficult to solve POMDPs…

Artificial Intelligence · Computer Science 2009-09-25 N. L. Zhang , W. Liu

Prior work on generating explanations in a planning and decision-making context has focused on providing the rationale behind an AI agent's decision making. While these methods provide the right explanations from the explainer's…

Artificial Intelligence · Computer Science 2020-10-20 Mehrdad Zakershahrak , Shashank Rao Marpally , Akshay Sharma , Ze Gong , Yu Zhang

Faced with an ever-increasing complexity of their domains of application, artificial learning agents are now able to scale up in their ability to process an overwhelming amount of information coming from their interaction with an…

Artificial Intelligence · Computer Science 2022-04-05 Mirza Ramicic , Andrea Bonarini

This work addresses the problem of sharing partial information within social learning strategies. In traditional social learning, agents solve a distributed multiple hypothesis testing problem by performing two operations at each instant:…

Signal Processing · Electrical Eng. & Systems 2022-12-07 Virginia Bordignon , Vincenzo Matta , Ali H. Sayed

We consider the problem of interactive partially observable Markov decision processes (I-POMDPs), where the agents are located at the nodes of a communication network. Specifically, we assume a certain message type for all messages.…

Artificial Intelligence · Computer Science 2020-11-11 Yitao Chen , Deepanshu Vasal

Robots that can effectively understand human intentions from actions are crucial for successful human-robot collaboration. In this work, we address the challenge of a robot navigating towards an unknown goal while also accounting for a…

Robotics · Computer Science 2023-03-17 Oriana Peltzer , Dylan M. Asmar , Mac Schwager , Mykel J. Kochenderfer

Uncertainty on human behaviors poses a significant challenge to autonomous driving in crowded urban environments. The partially observable Markov decision processes (POMDPs) offer a principled framework for planning under uncertainty, often…

Machine Learning · Computer Science 2022-11-01 Mohamad H. Danesh , Panpan Cai , David Hsu

Common experience suggests that agents who know each other well are better able to work together. In this work, we address the problem of calibrating intention and capabilities in human-robot collaboration. In particular, we focus on…

Robotics · Computer Science 2020-08-04 Joshua Lee , Jeffrey Fong , Bing Cai Kok , Harold Soh