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With the availability of massive general-domain dialogue data, pre-trained dialogue generation appears to be super appealing to transfer knowledge from the general domain to downstream applications. In most existing work, such transferable…

Computation and Language · Computer Science 2022-10-25 Xueliang Zhao , Lemao Liu , Tingchen Fu , Shuming Shi , Dongyan Zhao , Rui Yan

Deep reinforcement learning for high dimensional, hierarchical control tasks usually requires the use of complex neural networks as functional approximators, which can lead to inefficiency, instability and even divergence in the training…

Machine Learning · Computer Science 2019-11-26 Yuguang Yang

Task-oriented dialogue systems are designed to achieve specific goals while conversing with humans. In practice, they may have to handle simultaneously several domains and tasks. The dialogue manager must therefore be able to take into…

Computation and Language · Computer Science 2022-10-12 Thibault Cordier , Tanguy Urvoy , Fabrice Lefèvre , Lina M. Rojas-Barahona

This study proposes a novel approach for dynamic load balancing in Software-Defined Networks (SDNs) using a Transformer-based Deep Q-Network (DQN). Traditional load balancing mechanisms, such as Round Robin (RR) and Weighted Round Robin…

Knowledge-driven dialog system has recently made remarkable breakthroughs. Compared with general dialog systems, superior knowledge-driven dialog systems can generate more informative and knowledgeable responses with pre-provided knowledge.…

Computation and Language · Computer Science 2023-02-24 Zhongtian Hu , Lifang Wang , Yangqi Chen , Yushuang Liu , Ronghan Li , Meng Zhao , Xinyu Lu , Zejun Jiang

In this paper, we propose a Deep Reinforcement Learning (RL) framework for task arrangement, which is a critical problem for the success of crowdsourcing platforms. Previous works conduct the personalized recommendation of tasks to workers…

Machine Learning · Computer Science 2019-11-05 Caihua Shan , Nikos Mamoulis , Reynold Cheng , Guoliang Li , Xiang Li , Yuqiu Qian

While end-to-end neural conversation models have led to promising advances in reducing hand-crafted features and errors induced by the traditional complex system architecture, they typically require an enormous amount of data due to the…

Computation and Language · Computer Science 2018-01-10 Sungjin Lee

Dialogue state tracking is an essential part of goal-oriented dialogue systems, while most of these state tracking models often fail to handle unseen services. In this paper, we propose SGD-QA, a simple and extensible model for…

Computation and Language · Computer Science 2021-05-18 Yang Zhang , Vahid Noroozi , Evelina Bakhturina , Boris Ginsburg

Deep Q-learning Network (DQN) is a successful way which combines reinforcement learning with deep neural networks and leads to a widespread application of reinforcement learning. One challenging problem when applying DQN or other…

Machine Learning · Computer Science 2022-09-19 Zhe Zhang , Yukun Zou , Junjie Lai , Qing Xu

Deep Reinforcement Learning has yielded proficient controllers for complex tasks. However, these controllers have limited memory and rely on being able to perceive the complete game screen at each decision point. To address these…

Machine Learning · Computer Science 2017-01-13 Matthew Hausknecht , Peter Stone

Pre-training models have been proved effective for a wide range of natural language processing tasks. Inspired by this, we propose a novel dialogue generation pre-training framework to support various kinds of conversations, including…

Computation and Language · Computer Science 2020-05-01 Siqi Bao , Huang He , Fan Wang , Hua Wu , Haifeng Wang

One of the crucial problems in robotic swarm-based operation is to search and neutralize heterogeneous targets in an unknown and uncertain environment, without any communication within the swarm. Here, some targets can be neutralized by a…

Multiagent Systems · Computer Science 2020-11-16 Nishant Mohanty , Mohitvishnu S. Gadde , Suresh Sundaram , Narasimhan Sundararajan , P. B. Sujit

Building user trust in dialogue agents requires smooth and consistent dialogue exchanges. However, agents can easily lose conversational context and generate irrelevant utterances. These situations are called dialogue breakdown, where agent…

Computation and Language · Computer Science 2023-01-23 Nathan Ng , Marzyeh Ghassemi , Narendran Thangarajan , Jiacheng Pan , Qi Guo

Dialogue is an essential part of human communication and cooperation. Existing research mainly focuses on short dialogue scenarios in a one-on-one fashion. However, multi-person interactions in the real world, such as meetings or…

Computation and Language · Computer Science 2022-01-07 Ming Zhong , Yang Liu , Yichong Xu , Chenguang Zhu , Michael Zeng

An important step towards enabling English language learners to improve their conversational speaking proficiency involves automated scoring of multiple aspects of interactional competence and subsequent targeted feedback. This paper builds…

Human-Computer Interaction · Computer Science 2020-05-21 Vikram Ramanarayanan , Matthew Mulholland , Debanjan Ghosh

Distributed Distributional DrQ is a model-free and off-policy RL algorithm for continuous control tasks based on the state and observation of the agent, which is an actor-critic method with the data-augmentation and the distributional…

Machine Learning · Computer Science 2024-04-17 Zehao Zhou

We present a novel negotiation model that allows an agent to learn how to negotiate during concurrent bilateral negotiations in unknown and dynamic e-markets. The agent uses an actor-critic architecture with model-free reinforcement…

Multiagent Systems · Computer Science 2020-02-04 Pallavi Bagga , Nicola Paoletti , Bedour Alrayes , Kostas Stathis

Robust header compression (ROHC), critically positioned between the network and the MAC layers, plays an important role in modern wireless communication systems for improving data efficiency. This work investigates bi-directional ROHC…

Signal Processing · Electrical Eng. & Systems 2023-09-26 Shusen Jing , Songyang Zhang , Zhi Ding

This paper presents a decentralized leader-follower multi-robot formation control based on a reinforcement learning (RL) algorithm applied to a swarm of small educational Sphero robots. Since the basic Q-learning method is known to require…

Robotics · Computer Science 2023-07-17 Juraj Obradovic , Marko Krizmancic , Stjepan Bogdan

Reinforcement Learning (RL) has opened up new opportunities to enhance existing smart systems that generally include a complex decision-making process. However, modern RL algorithms, e.g., Deep Q-Networks (DQN), are based on deep neural…

Machine Learning · Computer Science 2023-06-22 Yang Ni , Danny Abraham , Mariam Issa , Yeseong Kim , Pietro Mercati , Mohsen Imani