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Related papers: Exploring the Robustness of Task-oriented Dialogue…

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Task-oriented dialogue systems use four connected modules, namely, Natural Language Understanding (NLU), a Dialogue State Tracking (DST), Dialogue Policy (DP) and Natural Language Generation (NLG). A research challenge is to learn each…

Computation and Language · Computer Science 2020-08-21 Andrea Madotto , Zihan Liu , Zhaojiang Lin , Pascale Fung

Intent detection and slot filling are critical tasks in spoken and natural language understanding for task-oriented dialog systems. In this work we describe our participation in the slot and intent detection for low-resource language…

Computation and Language · Computer Science 2023-04-27 Sang Yun Kwon , Gagan Bhatia , El Moatez Billah Nagoudi , Alcides Alcoba Inciarte , Muhammad Abdul-Mageed

Task-Oriented Dialogue (TOD) systems are drawing more and more attention in recent studies. Current methods focus on constructing pre-trained models or fine-tuning strategies while the evaluation of TOD is limited by a policy mismatch…

Computation and Language · Computer Science 2022-10-27 Qinyuan Cheng , Linyang Li , Guofeng Quan , Feng Gao , Xiaofeng Mou , Xipeng Qiu

Task-Oriented Dialogue (TOD) systems are designed to carry out specific tasks by tracking dialogue states and generating appropriate responses to help users achieve defined goals. Recently, end-to-end dialogue models pre-trained based on…

Computation and Language · Computer Science 2023-06-01 Namo Bang , Jeehyun Lee , Myoung-Wan Koo

Recent technological advances have made it possible to build real-time, interactive spoken dialogue systems for a wide variety of applications. However, when users do not respect the limitations of such systems, performance typically…

Computation and Language · Computer Science 2007-05-23 Diane J. Litman , Shimei Pan

Existing task-oriented conversational search systems heavily rely on domain ontologies with pre-defined slots and candidate value sets. In practical applications, these prerequisites are hard to meet, due to the emerging new user…

Computation and Language · Computer Science 2023-05-09 Yuxia Wu , Tianhao Dai , Zhedong Zheng , Lizi Liao

Detecting the user's intent and finding the corresponding slots among the utterance's words are important tasks in natural language understanding. Their interconnected nature makes their joint modeling a standard part of training such…

Computation and Language · Computer Science 2021-10-06 Momchil Hardalov , Ivan Koychev , Preslav Nakov

The tasks of out-of-domain (OOD) intent discovery and generalized intent discovery (GID) aim to extend a closed intent classifier to open-world intent sets, which is crucial to task-oriented dialogue (TOD) systems. Previous methods address…

Computation and Language · Computer Science 2023-10-17 Xiaoshuai Song , Keqing He , Pei Wang , Guanting Dong , Yutao Mou , Jingang Wang , Yunsen Xian , Xunliang Cai , Weiran Xu

One of the major impediments to the development of new task-oriented dialogue (TOD) systems is the need for human evaluation at multiple stages and iterations of the development process. In an effort to move toward automated evaluation of…

Computation and Language · Computer Science 2023-09-26 Sam Davidson , Salvatore Romeo , Raphael Shu , James Gung , Arshit Gupta , Saab Mansour , Yi Zhang

Interest in dialog systems has grown substantially in the past decade. By extension, so too has interest in developing and improving intent classification and slot-filling models, which are two components that are commonly used in…

Computation and Language · Computer Science 2022-07-28 Stefan Larson , Kevin Leach

In Task-Oriented Dialogue (TOD) systems, correctly updating the system's understanding of the user's requests (\textit{a.k.a} dialogue state tracking) is key to a smooth interaction. Traditionally, TOD systems perform this update in three…

Computation and Language · Computer Science 2024-07-02 Lucas Druart , Valentin Vielzeuf , Yannick Estève

Task-oriented dialogue (TOD) models have made significant progress in recent years. However, previous studies primarily focus on datasets written by annotators, which has resulted in a gap between academic research and real-world spoken…

Computation and Language · Computer Science 2025-06-25 Shuzheng Si , Wentao Ma , Haoyu Gao , Yuchuan Wu , Ting-En Lin , Yinpei Dai , Hangyu Li , Rui Yan , Fei Huang , Yongbin Li

Modern task-oriented dialogue (TOD) systems increasingly rely on large language model (LLM) agents, leveraging Retrieval-Augmented Generation (RAG) and long-context capabilities for long-term memory utilization. However, these methods are…

Computation and Language · Computer Science 2025-08-14 Yiming Du , Bingbing Wang , Yang He , Bin Liang , Baojun Wang , Zhongyang Li , Lin Gui , Jeff Z. Pan , Ruifeng Xu , Kam-Fai Wong

Task-oriented dialogue (TOD) systems have assisted users on many tasks, including ticket booking and service inquiries. While existing TOD systems have shown promising performance in serving customer needs, these systems mostly assume that…

Computation and Language · Computer Science 2022-10-25 Zhiqiang Hu , Roy Kaa-Wei Lee , Nancy F. Chen

Intelligent task-oriented dialogue systems (ToDs) are expected to continuously acquire new knowledge, also known as Continual Learning (CL), which is crucial to fit ever-changing user needs. However, catastrophic forgetting dramatically…

Machine Learning · Computer Science 2024-05-21 Chen Chen , Ruizhe Li , Yuchen Hu , Yuanyuan Chen , Chengwei Qin , Qiang Zhang

Most state-of-the-art neural machine translation systems, despite being different in architectural skeletons (e.g. recurrence, convolutional), share an indispensable feature: the Attention. However, most existing attention methods are…

Computation and Language · Computer Science 2019-08-17 Phi Xuan Nguyen , Shafiq Joty

Slot-filling and intent detection are the backbone of conversational agents such as voice assistants, and are active areas of research. Even though state-of-the-art techniques on publicly available benchmarks show impressive performance,…

Computation and Language · Computer Science 2022-01-31 David Alfonso-Hermelo , Ahmad Rashid , Abbas Ghaddar , Philippe Langlais , Mehdi Rezagholizadeh

Dialogue systems need to deal with the unpredictability of user intents to track dialogue state and the heterogeneity of slots to understand user preferences. In this paper we investigate the hypothesis that solving these challenges as one…

Computation and Language · Computer Science 2023-08-14 Diogo Tavares , Pedro Azevedo , David Semedo , Ricardo Sousa , João Magalhães

Task-oriented dialogue focuses on conversational agents that participate in user-initiated dialogues on domain-specific topics. In contrast to chatbots, which simply seek to sustain open-ended meaningful discourse, existing task-oriented…

Computation and Language · Computer Science 2017-08-16 Mihail Eric , Christopher D. Manning

Constructing a robust dialogue system on spoken conversations bring more challenge than written conversation. In this respect, DSTC10-Track2-Task2 is proposed, which aims to build a task-oriented dialogue (TOD) system incorporating…

Computation and Language · Computer Science 2022-09-07 Janghoon Han , Joongbo Shin , Hosung Song , Hyunjik Jo , Gyeonghun Kim , Yireun Kim , Stanley Jungkyu Choi