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Related papers: Optimization of Information-Seeking Dialogue Strat…

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A recent goal in the Reinforcement Learning (RL) framework is to choose a sequence of actions or a policy to maximize the reward collected or minimize the regret incurred in a finite time horizon. For several RL problems in operation…

Machine Learning · Computer Science 2016-08-18 K J Prabuchandran , Tejas Bodas , Theja Tulabandhula

Recent advancements in proactive dialogues have garnered significant attention, particularly for more complex objectives (e.g. emotion support and persuasion). Unlike traditional task-oriented dialogues, proactive dialogues demand advanced…

Computation and Language · Computer Science 2024-12-20 Tao He , Lizi Liao , Yixin Cao , Yuanxing Liu , Yiheng Sun , Zerui Chen , Ming Liu , Bing Qin

Reinforcement Learning (RL) has been witnessed its potential for training a dialogue policy agent towards maximizing the accumulated rewards given from users. However, the reward can be very sparse for it is usually only provided at the end…

Computation and Language · Computer Science 2021-11-03 Hongru Wang , Huimin Wang , Zezhong Wang , Kam-Fai Wong

Collecting data for training dialog systems can be extremely expensive due to the involvement of human participants and need for extensive annotation. Especially in document-grounded dialog systems, human experts need to carefully read the…

Computation and Language · Computer Science 2021-12-16 Qingyang Wu , Song Feng , Derek Chen , Sachindra Joshi , Luis A. Lastras , Zhou Yu

Large Language Models (LLMs) have shown remarkable reasoning capabilities in mathematical and scientific tasks. To enhance complex reasoning, multi-agent systems have been proposed to harness the collective intelligence of LLM agents.…

Artificial Intelligence · Computer Science 2025-10-22 Zhenyu Bi , Meng Lu , Yang Li , Swastik Roy , Weijie Guan , Morteza Ziyadi , Xuan Wang

Deep reinforcement learning (DRL) shows promising potential for autonomous driving decision-making. However, DRL demands extensive computational resources to achieve a qualified policy in complex driving scenarios due to its low learning…

Robotics · Computer Science 2024-12-25 Hao Pang , Zhenpo Wang , Guoqiang Li

Decision-making for engineering systems can be efficiently formulated as a Markov Decision Process (MDP) or a Partially Observable MDP (POMDP). Typical MDP and POMDP solution procedures utilize offline knowledge about the environment and…

Systems and Control · Computer Science 2018-11-07 C. P. Andriotis , K. G. Papakonstantinou

Large language model (LLM)-based agents are increasingly trained with reinforcement learning (RL) to enhance their ability to interact with external environments through tool use, particularly in search-based settings that require…

Computation and Language · Computer Science 2026-03-25 Guoqing Wang , Sunhao Dai , Guangze Ye , Zeyu Gan , Wei Yao , Yong Deng , Xiaofeng Wu , Zhenzhe Ying

Leveraging more test-time computation has proven to be an effective way to boost the reasoning capabilities of large language models (LLMs). Among various methods, the verify-and-improve paradigm stands out for enabling dynamic solution…

Machine Learning · Computer Science 2025-06-11 Yurun Yuan , Tengyang Xie

Previous research on multi-party dialogue generation has predominantly leveraged structural information inherent in dialogues to directly inform the generation process. However, the prevalence of colloquial expressions and incomplete…

Computation and Language · Computer Science 2026-04-14 Zhiyu Cao , Peifeng Li , Qiaoming Zhu

Recommender systems play a crucial role in mitigating the problem of information overload by suggesting users' personalized items or services. The vast majority of traditional recommender systems consider the recommendation procedure as a…

Machine Learning · Computer Science 2019-06-28 Xiangyu Zhao , Liang Zhang , Long Xia , Zhuoye Ding , Dawei Yin , Jiliang Tang

Training a dialogue policy using deep reinforcement learning requires a lot of exploration of the environment. The amount of wasted invalid exploration makes their learning inefficient. In this paper, we find and define an important reason…

Human-Computer Interaction · Computer Science 2023-05-08 Yangyang Zhao , Zhenyu Wang , Mehdi Dastani , Shihan Wang

Planning based on long and short term time series forecasts is a common practice across many industries. In this context, temporal aggregation and reconciliation techniques have been useful in improving forecasts, reducing model…

Machine Learning · Computer Science 2022-01-31 Himanshi Charotia , Abhishek Garg , Gaurav Dhama , Naman Maheshwari

Traditionally, approximate dynamic programming is employed in dialogue generation with greedy policy improvement through action sampling, as the natural language action space is vast. However, this practice is inefficient for reinforcement…

Computation and Language · Computer Science 2023-05-16 Itsugun Cho , Ryota Takahashi , Yusaku Yanase , Hiroaki Saito

Dialogue policy learning for task-oriented dialogue systems has enjoyed great progress recently mostly through employing reinforcement learning methods. However, these approaches have become very sophisticated. It is time to re-evaluate it.…

Computation and Language · Computer Science 2020-09-22 Ziming Li , Julia Kiseleva , Maarten de Rijke

Information-seeking dialogue systems, including knowledge identification and response generation, aim to respond to users with fluent, coherent, and informative responses based on users' needs, which. To tackle this challenge, we utilize…

Computation and Language · Computer Science 2021-06-09 Etsuko Ishii , Yan Xu , Genta Indra Winata , Zhaojiang Lin , Andrea Madotto , Zihan Liu , Peng Xu , Pascale Fung

Representing a dialog policy as a recurrent neural network (RNN) is attractive because it handles partial observability, infers a latent representation of state, and can be optimized with supervised learning (SL) or reinforcement learning…

Artificial Intelligence · Computer Science 2016-12-20 Kavosh Asadi , Jason D. Williams

Language systems have been of great interest to the research community and have recently reached the mass market through various assistant platforms on the web. Reinforcement Learning methods that optimize dialogue policies have seen…

Machine Learning · Computer Science 2024-02-09 Floris den Hengst , Mark Hoogendoorn , Frank van Harmelen , Joost Bosman

Resource allocation plays a critical role in minimizing cycle time and improving the efficiency of business processes. Recently, Deep Reinforcement Learning (DRL) has emerged as a powerful technique to optimize resource allocation policies…

Machine Learning · Computer Science 2025-09-03 Jeroen Middelhuis , Zaharah Bukhsh , Ivo Adan , Remco Dijkman

A KRM-based dialogue management (DM) is proposed using to implement human-computer dialogue system in complex scenarios. KRM-based DM has a well description ability and it can ensure the logic of the dialogue process. Then a complex…

Human-Computer Interaction · Computer Science 2019-12-03 Wenwu Qu , Xiaoyu Chi , Wei Zheng