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Dialogue state tracking (DST) is a crucial module in dialogue management. It is usually cast as a supervised training problem, which is not convenient for on-line optimization. In this paper, a novel companion teaching based deep…

Computation and Language · Computer Science 2020-09-23 Zhi Chen , Lu Chen , Xiang Zhou , Kai Yu

In task-oriented dialogue systems the dialogue state tracker (DST) component is responsible for predicting the state of the dialogue based on the dialogue history. Current DST approaches rely on a predefined domain ontology, a fact that…

Computation and Language · Computer Science 2020-01-22 Vevake Balaraman , Bernardo Magnini

Dialogue State Tracking (DST), a key component of task-oriented conversation systems, represents user intentions by determining the values of pre-defined slots in an ongoing dialogue. Existing approaches use hand-crafted templates and…

Computation and Language · Computer Science 2023-10-24 Praveen Venkateswaran , Evelyn Duesterwald , Vatche Isahagian

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…

Computation and Language · Computer Science 2023-01-19 Hyungtak Choi , Hyeonmok Ko , Gurpreet Kaur , Lohith Ravuru , Kiranmayi Gandikota , Manisha Jhawar , Simma Dharani , Pranamya Patil

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…

Computation and Language · Computer Science 2020-05-05 Sungdong Kim , Sohee Yang , Gyuwan Kim , Sang-Woo Lee

Zero-shot Dialogue State Tracking (DST) addresses the challenge of acquiring and annotating task-oriented dialogues, which can be time-consuming and costly. However, DST extends beyond simple slot-filling and requires effective updating…

Computation and Language · Computer Science 2023-11-28 Yuxiang Wu , Guanting Dong , Weiran Xu

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

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…

Computation and Language · Computer Science 2023-03-08 Jing Xu , Dandan Song , Chong Liu , Siu Cheung Hui , Fei Li , Qiang Ju , Xiaonan He , Jian Xie

Dialogue State Tracking (DST) is designed to monitor the evolving dialogue state in the conversations and plays a pivotal role in developing task-oriented dialogue systems. However, obtaining the annotated data for the DST task is usually a…

Computation and Language · Computer Science 2024-05-24 Cheng Niu , Xingguang Wang , Xuxin Cheng , Juntong Song , Tong Zhang

Existing approaches to dialogue state tracking rely on pre-defined ontologies consisting of a set of all possible slot types and values. Though such approaches exhibit promising performance on single-domain benchmarks, they suffer from…

Artificial Intelligence · Computer Science 2019-10-21 Liliang Ren , Jianmo Ni , Julian McAuley

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…

Computation and Language · Computer Science 2019-10-23 Vevake Balaraman , Bernardo Magnini

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

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…

Tracking dialogue states to better interpret user goals and feed downstream policy learning is a bottleneck in dialogue management. Common practice has been to treat it as a problem of classifying dialogue content into a set of pre-defined…

Artificial Intelligence · Computer Science 2020-06-04 Lizi Liao , Yunshan Ma , Wenqiang Lei , Tat-Seng Chua

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.…

Computation and Language · Computer Science 2023-02-28 Han Zhou , Ignacio Iacobacci , Pasquale Minervini

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

Dialogue State Tracking (DST), which is the process of inferring user goals by estimating belief states given the dialogue history, plays a critical role in task-oriented dialogue systems. A coreference phenomenon observed in multi-turn…

Computation and Language · Computer Science 2021-06-17 Ting Han , Chongxuan Huang , Wei Peng

Dialogue state tracking (DST) aims at estimating the current dialogue state given all the preceding conversation. For multi-domain DST, the data sparsity problem is a major obstacle due to increased numbers of state candidates and dialogue…

Computation and Language · Computer Science 2020-10-08 Su Zhu , Jieyu Li , Lu Chen , Kai Yu

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

The performance of task-oriented dialogue models is strongly tied to how well they track dialogue states, which records and updates user information across multi-turn interactions. However, current multi-domain DST encounters two key…

Computation and Language · Computer Science 2026-03-12 Haoxiang Su , Ruiyu Fang , Liting Jiang , Xiaomeng Huang , Shuangyong Song