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Recent works in dialogue state tracking (DST) focus on an open vocabulary-based setting to resolve scalability and generalization issues of the predefined ontology-based approaches. However, they are inefficient in that they predict the…

计算与语言 · 计算机科学 2020-05-05 Sungdong Kim , Sohee Yang , Gyuwan Kim , Sang-Woo Lee

Dialogue State Tracking (DST) is core research in dialogue systems and has received much attention. In addition, it is necessary to define a new problem that can deal with dialogue between users as a step toward the conversational AI that…

A Dialogue State Tracker (DST) is a key component in a dialogue system aiming at estimating the beliefs of possible user goals at each dialogue turn. Most of the current DST trackers make use of recurrent neural networks and are based on…

计算与语言 · 计算机科学 2019-10-23 Vevake Balaraman , Bernardo Magnini

Dialogue state tracking (DST) is a key component of task-oriented dialogue systems. DST estimates the user's goal at each user turn given the interaction until then. State of the art approaches for state tracking rely on deep learning…

计算与语言 · 计算机科学 2018-01-03 Abhinav Rastogi , Dilek Hakkani-Tur , Larry Heck

In dialogue state tracking, dialogue history is a crucial material, and its utilization varies between different models. However, no matter how the dialogue history is used, each existing model uses its own consistent dialogue history…

计算与语言 · 计算机科学 2022-05-23 Jinyu Guo , Kai Shuang , Jijie Li , Zihan Wang , Yixuan Liu

We consider a new perspective on dialog state tracking (DST), the task of estimating a user's goal through the course of a dialog. By formulating DST as a semantic parsing task over hierarchical representations, we can incorporate semantic…

Task-oriented dialogue systems often employ a Dialogue State Tracker (DST) to successfully complete conversations. Recent state-of-the-art DST implementations rely on schemata of diverse services to improve model robustness and handle…

计算与语言 · 计算机科学 2022-07-05 Eleftherios Kapelonis , Efthymios Georgiou , Alexandros Potamianos

Dialogue State Tracking is central to multi-domain task-oriented dialogue systems, responsible for extracting information from user utterances. We present a novel hybrid architecture that augments GPT-2 with representations derived from…

计算与语言 · 计算机科学 2021-09-24 Weizhe Lin , Bo-Hsiang Tseng , Bill Byrne

With the demanding need for deploying dialogue systems in new domains with less cost, zero-shot dialogue state tracking (DST), which tracks user's requirements in task-oriented dialogues without training on desired domains, draws attention…

计算与语言 · 计算机科学 2023-02-28 Ruolin Su , Jingfeng Yang , Ting-Wei Wu , Biing-Hwang Juang

As an essential component in task-oriented dialogue systems, dialogue state tracking (DST) aims to track human-machine interactions and generate state representations for managing the dialogue. Representations of dialogue states are…

计算与语言 · 计算机科学 2022-08-05 Ruolin Su , Ting-Wei Wu , Biing-Hwang Juang

Dialogue State Tracking (DST), a crucial component of task-oriented dialogue (ToD) systems, keeps track of all important information pertaining to dialogue history: filling slots with the most probable values throughout the conversation.…

计算与语言 · 计算机科学 2023-02-28 Han Zhou , Ignacio Iacobacci , Pasquale Minervini

Recent efforts in Dialogue State Tracking (DST) for task-oriented dialogues have progressed toward open-vocabulary or generation-based approaches where the models can generate slot value candidates from the dialogue history itself. These…

计算与语言 · 计算机科学 2020-02-25 Hung Le , Richard Socher , Steven C. H. Hoi

In task-oriented dialogue systems, Dialogue State Tracking (DST) aims to extract users' intentions from the dialogue history. Currently, most existing approaches suffer from error propagation and are unable to dynamically select relevant…

计算与语言 · 计算机科学 2023-03-08 Jing Xu , Dandan Song , Chong Liu , Siu Cheung Hui , Fei Li , Qiang Ju , Xiaonan He , Jian Xie

End-to-end spoken dialogue state tracking (DST) is made difficult by the tandem of having to handle speech input and data scarcity. Combining speech foundation encoders and large language models has been proposed in recent work as to…

计算与语言 · 计算机科学 2025-12-01 Katia Vendrame , Bolaji Yusuf , Santosh Kesiraju , Šimon Sedláček , Oldřich Plchot , Jan Černocký

Existing approaches to Dialogue State Tracking (DST) rely on turn level dialogue state annotations, which are expensive to acquire in large scale. In call centers, for tasks like managing bookings or subscriptions, the user goal can be…

计算与语言 · 计算机科学 2021-01-29 Shuailong Liang , Lahari Poddar , Gyuri Szarvas

Dialog State Tracking (DST), an integral part of modern dialog systems, aims to track user preferences and constraints (slots) in task-oriented dialogs. In real-world settings with constantly changing services, DST systems must generalize…

计算与语言 · 计算机科学 2021-01-22 Shuyang Li , Jin Cao , Mukund Sridhar , Henghui Zhu , Shang-Wen Li , Wael Hamza , Julian McAuley

Dialogue state tracking (DST) plays a key role in task-oriented dialogue systems to monitor the user's goal. In general, there are two strategies to track a dialogue state: predicting it from scratch and updating it from previous state. The…

计算与语言 · 计算机科学 2021-06-01 Puhai Yang , Heyan Huang , Xian-Ling Mao

While communicating with a user, a task-oriented dialogue system has to track the user's needs at each turn according to the conversation history. This process called dialogue state tracking (DST) is crucial because it directly informs the…

计算与语言 · 计算机科学 2022-08-01 Léo Jacqmin , Lina M. Rojas-Barahona , Benoit Favre

Zero-shot domain adaptation for dialogue state tracking (DST) remains a challenging problem in task-oriented dialogue (TOD) systems, where models must generalize to target domains unseen at training time. Current large language model…

计算与语言 · 计算机科学 2025-02-24 Christopher Richardson , Roshan Sharma , Neeraj Gaur , Parisa Haghani , Anirudh Sundar , Bhuvana Ramabhadran

Dialogue state tracking (DST) is at the heart of task-oriented dialogue systems. However, the scarcity of labeled data is an obstacle to building accurate and robust state tracking systems that work across a variety of domains. Existing…

计算与语言 · 计算机科学 2020-04-14 Shuyang Gao , Sanchit Agarwal , Tagyoung Chung , Di Jin , Dilek Hakkani-Tur