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To achieve general artificial intelligence, reinforcement learning (RL) agents should learn not only to optimize returns for one specific task but also to constantly build more complex skills and scaffold their knowledge about the world,…

Artificial Intelligence · Computer Science 2018-12-07 Khimya Khetarpal , Shagun Sodhani , Sarath Chandar , Doina Precup

The rise of process data availability has recently led to the development of data-driven learning approaches. However, most of these approaches restrict the use of the learned model to predict the future of ongoing process executions. The…

Artificial Intelligence · Computer Science 2025-07-25 Stefano Branchi , Chiara Di Francescomarino , Chiara Ghidini , David Massimo , Francesco Ricci , Massimiliano Ronzani

In this paper, we confront the problem of applying reinforcement learning to agents that perceive the environment through many sensors and that can perform parallel actions using many actuators as is the case in complex autonomous robots.…

Artificial Intelligence · Computer Science 2011-07-04 E. Celaya , J. M. Porta

Training automated agents to complete complex tasks in interactive environments is challenging: reinforcement learning requires careful hand-engineering of reward functions, imitation learning requires specialized infrastructure and access…

Machine Learning · Computer Science 2023-02-21 Olivia Watkins , Trevor Darrell , Pieter Abbeel , Jacob Andreas , Abhishek Gupta

Growing concerns regarding the operational usage of AI models in the real-world has caused a surge of interest in explaining AI models' decisions to humans. Reinforcement Learning is not an exception in this regard. In this work, we propose…

Machine Learning · Computer Science 2023-10-06 Omid Davoodi , Majid Komeili

In an unfamiliar setting, a model-based reinforcement learning agent can be limited by the accuracy of its world model. In this work, we present a novel, training-free approach to improving the performance of such agents separately from…

Machine Learning · Computer Science 2024-02-26 Martin Benfeghoul , Umais Zahid , Qinghai Guo , Zafeirios Fountas

Today, data collection has improved in various areas, and the medical domain is no exception. Auscultation, as an important diagnostic technique for physicians, due to the progress and availability of digital stethoscopes, lends itself well…

Interactive reinforcement learning agents use human feedback or instruction to help them learn in complex environments. Often, this feedback comes in the form of a discrete signal that is either positive or negative. While informative, this…

Artificial Intelligence · Computer Science 2021-04-13 Tasmia Tasrin , Md Sultan Al Nahian , Habarakadage Perera , Brent Harrison

Reinforcement Learning is an area of Machine Learning focused on how agents can be trained to make sequential decisions, and achieve a particular goal within an arbitrary environment. While learning, they repeatedly take actions based on…

Interactive reinforcement learning has become an important apprenticeship approach to speed up convergence in classic reinforcement learning problems. In this regard, a variant of interactive reinforcement learning is policy shaping which…

Artificial Intelligence · Computer Science 2019-04-16 Francisco Cruz , Sven Magg , Yukie Nagai , Stefan Wermter

Industry has always been in the pursuit of becoming more economically efficient and the current focus has been to reduce human labour using modern technologies. Even with cutting edge technologies, which range from packaging robots to AI…

Multiagent Systems · Computer Science 2019-10-22 Leonardo A. Espinosa Leal , Magnus Westerlund , Anthony Chapman

Resource limitations make it hard to provide all students with one of the most effective educational interventions: personalized instruction. Reinforcement learning could be a key tool to reduce the development cost and improve the…

Lung auscultation is the most effective and indispensable method for diagnosing various respiratory disorders by using the sounds from the airways during inspirium and exhalation using a stethoscope. In this study, the statistical features…

Sound · Computer Science 2021-01-22 Gökhan Altan , Yakup Kutlu , Adnan Özhan Pekmezci , Serkan Nural

Robots are extending their presence in domestic environments every day, being more common to see them carrying out tasks in home scenarios. In the future, robots are expected to increasingly perform more complex tasks and, therefore, be…

Artificial Intelligence · Computer Science 2020-09-22 Ithan Moreira , Javier Rivas , Francisco Cruz , Richard Dazeley , Angel Ayala , Bruno Fernandes

In standard passive imitation learning, the goal is to learn a target policy by passively observing full execution trajectories of it. Unfortunately, generating such trajectories can require substantial expert effort and be impractical in…

Machine Learning · Computer Science 2012-10-19 Kshitij Judah , Alan Fern , Thomas G. Dietterich

Reinforcement learning is one of the core components in designing an artificial intelligent system emphasizing real-time response. Reinforcement learning influences the system to take actions within an arbitrary environment either having…

Artificial Intelligence · Computer Science 2020-02-03 Amit Kumar Mondal

Reinforcement learning (RL) makes it possible to train agents capable of achieving sophisticated goals in complex and uncertain environments. A key difficulty in reinforcement learning is specifying a reward function for the agent to…

Machine Learning · Computer Science 2019-09-24 Bradly C. Stadie , Pieter Abbeel , Ilya Sutskever

Intelligent systems have the ability to improve their behaviour over time taking observations, experiences or explicit feedback into account. Traditional approaches separate the learning problem and make isolated use of techniques from…

Machine Learning · Computer Science 2022-01-12 Simon Reichhuber , Sven Tomforde

Reinforcement Learning (RL) agents have great successes in solving tasks with large observation and action spaces from limited feedback. Still, training the agents is data-intensive and there are no guarantees that the learned behavior is…

Artificial Intelligence · Computer Science 2021-10-20 Helge Spieker

An important goal in reinforcement learning is to create agents that can quickly adapt to new goals while avoiding situations that might cause damage to themselves or their environments. One way agents learn is through exploration…

Machine Learning · Computer Science 2020-05-08 Djordje Grbic , Sebastian Risi