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Dialogue state tracking (DST) is an essential sub-task for task-oriented dialogue systems. Recent work has focused on deep neural models for DST. However, the neural models require a large dataset for training. Furthermore, applying them to…

Computation and Language · Computer Science 2022-10-06 Hyunmin Jeon , Gary Geunbae Lee

Scalability for handling unknown slot values is a important problem in dialogue state tracking (DST). As far as we know, previous scalable DST approaches generally rely on either the candidate generation from slot tagging output or the span…

Computation and Language · Computer Science 2021-06-18 Puhai Yang , Heyan Huang , Xianling Mao

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…

Computation and Language · Computer Science 2021-01-22 Shuyang Li , Jin Cao , Mukund Sridhar , Henghui Zhu , Shang-Wen Li , Wael Hamza , Julian McAuley

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…

Computation and Language · Computer Science 2022-08-01 Léo Jacqmin , Lina M. Rojas-Barahona , Benoit Favre

In task-oriented multi-turn dialogue systems, dialogue state refers to a compact representation of the user goal in the context of dialogue history. Dialogue state tracking (DST) is to estimate the dialogue state at each turn. Due to the…

Computation and Language · Computer Science 2020-09-23 Zhi Chen , Lu Chen , Yanbin Zhao , Su Zhu , Kai Yu

The schema-guided paradigm overcomes scalability issues inherent in building task-oriented dialogue (TOD) agents with static ontologies. Instead of operating on dialogue context alone, agents have access to hierarchical schemas containing…

Computation and Language · Computer Science 2023-03-20 A. Coca , B. H. Tseng , W. Lin , B. Byrne

This paper gives an overview of the Schema-Guided Dialogue State Tracking task of the 8th Dialogue System Technology Challenge. The goal of this task is to develop dialogue state tracking models suitable for large-scale virtual assistants,…

Computation and Language · Computer Science 2020-02-05 Abhinav Rastogi , Xiaoxue Zang , Srinivas Sunkara , Raghav Gupta , Pranav Khaitan

Dialogue state modules are a useful component in a task-oriented dialogue system. Traditional methods find dialogue states by manually labeling training corpora, upon which neural models are trained. However, the labeling process can be…

Computation and Language · Computer Science 2020-08-14 Qingkai Min , Libo Qin , Zhiyang Teng , Xiao Liu , Yue Zhang

This work investigates the task-oriented dialogue problem in mixed-domain settings. We study the effect of alternating between different domains in sequences of dialogue turns using two related state-of-the-art dialogue systems. We first…

Computation and Language · Computer Science 2019-09-06 Tho Luong Chi , Phuong Le-Hong

Dialog state tracking is a key component of many modern dialog systems, most of which are designed with a single, well-defined domain in mind. This paper shows that dialog data drawn from different dialog domains can be used to train a…

Computation and Language · Computer Science 2015-06-25 Nikola Mrkšić , Diarmuid Ó Séaghdha , Blaise Thomson , Milica Gašić , Pei-Hao Su , David Vandyke , Tsung-Hsien Wen , Steve Young

Dialog state tracking (DST) is a crucial component in a task-oriented dialog system for conversational information access. A common practice in current dialog systems is to define the dialog state by a set of slot-value pairs. Such…

Computation and Language · Computer Science 2018-11-06 Yinpei Dai , Zhijian Ou , Dawei Ren , Pengfei Yu

This paper proposes a novel end-to-end architecture for task-oriented dialogue systems. It is based on a simple and practical yet very effective sequence-to-sequence approach, where language understanding and state tracking tasks are…

Computation and Language · Computer Science 2019-08-08 Lei Shu , Piero Molino , Mahdi Namazifar , Hu Xu , Bing Liu , Huaixiu Zheng , Gokhan Tur

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…

Computation and Language · Computer Science 2021-06-01 Puhai Yang , Heyan Huang , Xian-Ling Mao

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…

Computation and Language · Computer Science 2025-12-01 Katia Vendrame , Bolaji Yusuf , Santosh Kesiraju , Šimon Sedláček , Oldřich Plchot , Jan Černocký

Task oriented dialog agents provide a natural language interface for users to complete their goal. Dialog State Tracking (DST), which is often a core component of these systems, tracks the system's understanding of the user's goal…

Computation and Language · Computer Science 2020-02-21 Adarsh Kumar , Peter Ku , Anuj Kumar Goyal , Angeliki Metallinou , Dilek Hakkani-Tur

The Dialog State Tracking Challenge 4 (DSTC 4) differentiates itself from the previous three editions as follows: the number of slot-value pairs present in the ontology is much larger, no spoken language understanding output is given, and…

Computation and Language · Computer Science 2016-05-10 Franck Dernoncourt , Ji Young Lee , Trung H. Bui , Hung H. Bui

Dialogue state tracking (DST) is a pivotal component in task-oriented dialogue systems. While it is relatively easy for a DST model to capture belief states in short conversations, the task of DST becomes more challenging as the length of a…

Computation and Language · Computer Science 2021-05-07 Ye Zhang , Yuan Cao , Mahdis Mahdieh , Jeffrey Zhao , Yonghui Wu

The traditional Dialogue State Tracking (DST) problem aims to track user preferences and intents in user-agent conversations. While sufficient for task-oriented dialogue systems supporting narrow domain applications, the advent of Large…

Computation and Language · Computer Science 2023-09-19 Sarkar Snigdha Sarathi Das , Chirag Shah , Mengting Wan , Jennifer Neville , Longqi Yang , Reid Andersen , Georg Buscher , Tara Safavi

Dialogue state tracking (DST) module is an important component for task-oriented dialog systems to understand users' goals and needs. Collecting dialogue state labels including slots and values can be costly, especially with the wide…

Computation and Language · Computer Science 2023-01-27 Yuting Yang , Wenqiang Lei , Pei Huang , Juan Cao , Jintao Li , Tat-Seng Chua

Goal-oriented chatbots are essential for automating user tasks, such as booking flights or making restaurant reservations. A key component of these systems is Dialogue State Tracking (DST), which interprets user intent and maintains the…

Computation and Language · Computer Science 2025-03-28 Sejin Lee , Dongha Kim , Min Song