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End-to-end training of neural networks is a promising approach to automatic construction of dialog systems using a human-to-human dialog corpus. Recently, Vinyals et al. tested neural conversation models using OpenSubtitles. Lowe et al.…

Computation and Language · Computer Science 2018-01-31 Chiori Hori , Takaaki Hori

Dialogue systems are usually categorized into two types, open-domain and task-oriented. The first one focuses on chatting with users and making them engage in the conversations, where selecting a proper topic to fit the dialogue context is…

Computation and Language · Computer Science 2022-04-25 Ssu Chiu , Maolin Li , Yen-Ting Lin , Yun-Nung Chen

Recently, data-driven task-oriented dialogue systems have achieved promising performance in English. However, developing dialogue systems that support low-resource languages remains a long-standing challenge due to the absence of…

Computation and Language · Computer Science 2019-11-22 Zihan Liu , Genta Indra Winata , Zhaojiang Lin , Peng Xu , Pascale Fung

This paper proposes a deep neural network model for joint modeling Natural Language Understanding (NLU) and Dialogue Management (DM) in goal-driven dialogue systems. There are three parts in this model. A Long Short-Term Memory (LSTM) at…

Computation and Language · Computer Science 2019-11-01 Yue Ma , Xiaojie Wang , Zhenjiang Dong , Hong Chen

Task-oriented dialogue systems (TODS) are continuing to rise in popularity as various industries find ways to effectively harness their capabilities, saving both time and money. However, even state-of-the-art TODS are not yet reaching their…

Computation and Language · Computer Science 2022-09-07 Ryan Fellows , Hisham Ihshaish , Steve Battle , Ciaran Haines , Peter Mayhew , J. Ignacio Deza

Traditionally, AI development for two-player zero-sum games has relied on two primary techniques: decision trees and reinforcement learning (RL). A common approach involves using a fixed decision tree as one player's strategy while training…

Artificial Intelligence · Computer Science 2024-12-18 Junjie Lin , Jian Zhao , Lin Liu , Yue Deng , Youpeng Zhao , Lanxiao Huang , Xia Lin , Wengang Zhou , Houqiang Li

Text response generation for multimodal task-oriented dialog systems, which aims to generate the proper text response given the multimodal context, is an essential yet challenging task. Although existing efforts have achieved compelling…

Computation and Language · Computer Science 2024-05-14 Xiaolin Chen , Xuemeng Song , Liqiang Jing , Shuo Li , Linmei Hu , Liqiang Nie

Collection of annotated dialogs for training task-oriented dialog systems have been one of the key bottlenecks in improving current models. While dialog response generation has been widely studied on the agent side, it is not evident if…

Computation and Language · Computer Science 2023-10-17 Dustin Axman , Avik Ray , Shubham Garg , Jing Huang

Recent advances in autonomous driving research towards motion planners that are robust, safe, and adaptive. However, existing rule-based and data-driven planners lack adaptability to long-tail scenarios, while knowledge-driven methods offer…

Robotics · Computer Science 2026-04-10 Huaiyuan Yao , Pengfei Li , Bu Jin , Yupeng Zheng , An Liu , Lisen Mu , Qing Su , Qian Zhang , Yilun Chen , Peng Li

Large Pre-Trained Language Models have demonstrated state-of-the-art performance in different downstream tasks, including dialogue state tracking and end-to-end response generation. Nevertheless, most of the publicly available datasets and…

Computation and Language · Computer Science 2024-01-05 Seyed Mahed Mousavi , Gabriel Roccabruna , Simone Alghisi , Massimo Rizzoli , Mirco Ravanelli , Giuseppe Riccardi

This ability to learn consecutive tasks without forgetting how to perform previously trained problems is essential for developing an online dialogue system. This paper proposes an effective continual learning for the task-oriented dialogue…

Computation and Language · Computer Science 2021-07-20 Binzong Geng , Fajie Yuan , Qiancheng Xu , Ying Shen , Ruifeng Xu , Min Yang

The ability to autonomously explore and resolve tasks with minimal human guidance is crucial for the self-development of embodied intelligence. Although reinforcement learning methods can largely ease human effort, it's challenging to…

Robotics · Computer Science 2024-12-19 Changxin Huang , Yanbin Chang , Junfan Lin , Junyang Liang , Runhao Zeng , Jianqiang Li

Traditionally, offline datasets have been used to evaluate task-oriented dialogue (TOD) models. These datasets lack context awareness, making them suboptimal benchmarks for conversational systems. In contrast, user-agents, which are…

Computation and Language · Computer Science 2024-11-18 Taaha Kazi , Ruiliang Lyu , Sizhe Zhou , Dilek Hakkani-Tur , Gokhan Tur

The ability of Large Language Models (LLMs) to extract context from natural language problem descriptions naturally raises questions about their suitability in autonomous decision-making settings. This paper studies the behaviour of these…

Artificial Intelligence · Computer Science 2025-07-22 Xiao Yang , Juxi Leitner , Michael Burke

Large language models (LLMs) excel at solving problems with clear and complete statements, but often struggle with nuanced environments or interactive tasks which are common in most real-world scenarios. This highlights the critical need…

Chatbots are designed to carry out human-like conversations across different domains, such as general chit-chat, knowledge exchange, and persona-grounded conversations. To measure the quality of such conversational agents, a dialogue…

Computation and Language · Computer Science 2022-01-19 Chen Zhang , Luis Fernando D'Haro , Thomas Friedrichs , Haizhou Li

Despite the surging demands for multilingual task-oriented dialog systems (e.g., Alexa, Google Home), there has been less research done in multilingual or cross-lingual scenarios. Hence, we propose a zero-shot adaptation of task-oriented…

Computation and Language · Computer Science 2019-11-12 Zihan Liu , Jamin Shin , Yan Xu , Genta Indra Winata , Peng Xu , Andrea Madotto , Pascale Fung

While recent autonomous agents demonstrate impressive capabilities, they predominantly rely on manually scripted workflows and handcrafted heuristics, inherently limiting their potential for open-ended improvement. To address this, we…

Artificial Intelligence · Computer Science 2026-05-28 Ziyang Liu , Xinyan Guo , Xuchen Wei , Han Hao , Liu Yang

In task-oriented dialogs (TOD), reinforcement learning (RL) algorithms train a model to directly optimize response for task-related metrics. However, RL needs to perform exploration, which can be time-consuming due to the slow…

Computation and Language · Computer Science 2023-10-23 Xiao Yu , Qingyang Wu , Kun Qian , Zhou Yu

Automating the end-to-end scientific research process poses a fundamental challenge: it requires both evolving high-level plans that are novel and sound, and executing these plans correctly amidst dynamic and uncertain conditions. To…

Artificial Intelligence · Computer Science 2025-10-09 Zhi Zhang , Yan Liu , Zhejing Hu , Gong Chen , Sheng-hua Zhong , Jiannong Cao