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Recent work on decentralized computational trust models for open Multi Agent Systems has resulted in the development of CA, a biologically inspired model which focuses on the trustee's perspective. This new model addresses a serious…

Artificial Intelligence · Computer Science 2024-04-30 Zoi Lygizou , Dimitris Kalles

In reinforcement learning, it is often difficult to automate high-dimensional, rapid decision-making in dynamic environments, especially when domains require real-time online interaction and adaptive strategies such as web-based games. This…

Machine Learning · Computer Science 2024-05-30 Prabhath Reddy Gujavarthy

We propose Deep Q-Networks (DQN) with model-based exploration, an algorithm combining both model-free and model-based approaches that explores better and learns environments with sparse rewards more efficiently. DQN is a general-purpose,…

Machine Learning · Computer Science 2019-03-25 Stephen Zhen Gou , Yuyang Liu

This paper presents a new approach that extends Deep Dyna-Q (DDQ) by incorporating a Budget-Conscious Scheduling (BCS) to best utilize a fixed, small amount of user interactions (budget) for learning task-oriented dialogue agents. BCS…

Computation and Language · Computer Science 2019-06-04 Zhirui Zhang , Xiujun Li , Jianfeng Gao , Enhong Chen

Dialog policy determines the next-step actions for agents and hence is central to a dialogue system. However, when migrated to novel domains with little data, a policy model can fail to adapt due to insufficient interactions with the new…

Computation and Language · Computer Science 2020-06-05 Yumo Xu , Chenguang Zhu , Baolin Peng , Michael Zeng

In this work we propose a planning and acting architecture endowed with a module which learns to select subgoals with Deep Q-Learning. This allows us to decrease the load of a planner when faced with scenarios with real-time restrictions.…

Artificial Intelligence · Computer Science 2024-06-24 Carlos Núñez-Molina , Juan Fernández-Olivares , Raúl Pérez

We present a novel method for training a social robot to generate backchannels during human-robot interaction. We address the problem within an off-policy reinforcement learning framework, and show how a robot may learn to produce…

Artificial Intelligence · Computer Science 2019-08-06 Nusrah Hussain , Engin Erzin , T. Metin Sezgin , Yucel Yemez

Deep Q-Network (DQN) based multi-agent systems (MAS) for reinforcement learning (RL) use various schemes where in the agents have to learn and communicate. The learning is however specific to each agent and communication may be…

Machine Learning · Computer Science 2020-08-11 Abdul Mueed Hafiz , Ghulam Mohiuddin Bhat

An effective way to achieve intelligence is to simulate various intelligent behaviors in the human brain. In recent years, bio-inspired learning methods have emerged, and they are different from the classical mathematical programming…

Artificial Intelligence · Computer Science 2019-04-01 Jieneng Chen , Jingye Chen , Ruiming Zhang , Xiaobin Hu

Human-computer interactive systems that rely on machine learning are becoming paramount to the lives of millions of people who use digital assistants on a daily basis. Yet, further advances are limited by the availability of data and the…

Machine Learning · Computer Science 2020-04-29 Katya Kudashkina , Valliappa Chockalingam , Graham W. Taylor , Michael Bowling

This paper introduces the QDQN-DPER framework to enhance the efficiency of quantum reinforcement learning (QRL) in solving sequential decision tasks. The framework incorporates prioritized experience replay and asynchronous training into…

Quantum Physics · Physics 2023-04-20 Samuel Yen-Chi Chen

Interactive search can provide a better experience by incorporating interaction feedback from the users. This can significantly improve search accuracy as it helps avoid irrelevant information and captures the users' search intents.…

Machine Learning · Computer Science 2023-10-06 Jianghong Zhou , Joyce C. Ho , Chen Lin , Eugene Agichtein

Autonomous driving decision-making is a great challenge due to the complexity and uncertainty of the traffic environment. Combined with the rule-based constraints, a Deep Q-Network (DQN) based method is applied for autonomous driving lane…

Robotics · Computer Science 2019-04-03 Junjie Wang , Qichao Zhang , Dongbin Zhao , Yaran Chen

Deep active inference has been proposed as a scalable approach to perception and action that deals with large policy and state spaces. However, current models are limited to fully observable domains. In this paper, we describe a deep active…

Machine Learning · Computer Science 2021-02-08 Otto van der Himst , Pablo Lanillos

Challenging problems of deep reinforcement learning systems with regard to the application on real systems are their adaptivity to changing environments and their efficiency w.r.t. computational resources and data. In the application of…

Machine Learning · Computer Science 2022-02-18 Maria Kalweit , Gabriel Kalweit , Moritz Werling , Joschka Boedecker

Live fire creates a dynamic, rapidly changing environment that presents a worthy challenge for deep learning and artificial intelligence methodologies to assist firefighters with scene comprehension in maintaining their situational…

Artificial Intelligence · Computer Science 2021-07-23 Manish Bhattarai , Manel Martinez-Ramon

Currently decision making is one of the biggest challenges in autonomous driving. This paper introduces a method for safely navigating an autonomous vehicle in highway scenarios by combining deep Q-Networks and insight from control theory.…

Robotics · Computer Science 2023-03-23 Max Peter Ronecker , Yuan Zhu

In the field of Autonomous Driving, the system controlling the vehicle can be seen as an agent acting in a complex environment and thus naturally fits into the modern framework of Reinforcement Learning. However, learning to drive can be a…

Artificial Intelligence · Computer Science 2018-11-26 Patrick Klose , Rudolf Mester

Deep reinforcement learning is a promising approach to training a dialog manager, but current methods struggle with the large state and action spaces of multi-domain dialog systems. Building upon Deep Q-learning from Demonstrations (DQfD),…

Computation and Language · Computer Science 2020-08-14 Gabriel Gordon-Hall , Philip John Gorinski , Shay B. Cohen

We present a novel definition of the reinforcement learning state, actions and reward function that allows a deep Q-network (DQN) to learn to control an optimization hyperparameter. Using Q-learning with experience replay, we train two DQNs…

Optimization and Control · Mathematics 2016-06-21 Samantha Hansen