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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

This paper presents a novel approach for multi-task learning of language understanding (LU) and dialogue state tracking (DST) in task-oriented dialogue systems. Multi-task training enables the sharing of the neural network layers…

Computation and Language · Computer Science 2018-11-14 Abhinav Rastogi , Raghav Gupta , Dilek Hakkani-Tur

Slot filling is a fundamental task in dialog state tracking in task-oriented dialog systems. In multi-domain task-oriented dialog system, user utterances and system responses may mention multiple named entities and attributes values. A…

Computation and Language · Computer Science 2021-08-26 Yuhao Ding , Yik-Cheung Tam

Although there have been remarkable advances in dialogue systems through the dialogue systems technology competition (DSTC), it remains one of the key challenges to building a robust task-oriented dialogue system with a speech interface.…

Computation and Language · Computer Science 2024-01-10 Jaeseok Yoon , Seunghyun Hwang , Ran Han , Jeonguk Bang , Kee-Eung Kim

The primary purpose of dialogue state tracking (DST), a critical component of an end-to-end conversational system, is to build a model that responds well to real-world situations. Although we often change our minds from time to time during…

Computation and Language · Computer Science 2022-10-13 Takyoung Kim , Yukyung Lee , Hoonsang Yoon , Pilsung Kang , Junseong Bang , Misuk Kim

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

We demonstrate substantial performance gains in zero-shot dialogue state tracking (DST) by enhancing training data diversity through synthetic data generation. Existing DST datasets are severely limited in the number of application domains…

Computation and Language · Computer Science 2024-06-14 James D. Finch , Jinho D. Choi

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…

Computation and Language · Computer Science 2022-05-23 Jinyu Guo , Kai Shuang , Jijie Li , Zihan Wang , Yixuan Liu

Dialogue systems dealing with multi-domain tasks are highly required. How to record the state remains a key problem in a task-oriented dialogue system. Normally we use human-defined features as dialogue states and apply a state tracker to…

Computation and Language · Computer Science 2020-05-27 Shuke Peng , Xinjing Huang , Zehao Lin , Feng Ji , Haiqing Chen , Yin Zhang

Dialog State Tracking (DST) is one of the most crucial modules for goal-oriented dialogue systems. In this paper, we introduce FastSGT (Fast Schema Guided Tracker), a fast and robust BERT-based model for state tracking in goal-oriented…

Machine Learning · Computer Science 2020-08-31 Vahid Noroozi , Yang Zhang , Evelina Bakhturina , Tomasz Kornuta

Recently, research on open domain dialogue systems have attracted extensive interests of academic and industrial researchers. The goal of an open domain dialogue system is to imitate humans in conversations. Previous works on single turn…

Computation and Language · Computer Science 2024-10-29 Wei-Nan Zhang , Yiming Cui , Kaiyan Zhang , Yifa Wang , Qingfu Zhu , Lingzhi Li , Ting Liu

We present a novel approach to dialogue state tracking and referring expression resolution tasks. Successful contextual understanding of multi-turn spoken dialogues requires resolving referring expressions across turns and tracking the…

Computation and Language · Computer Science 2019-04-02 Pushpendre Rastogi , Arpit Gupta , Tongfei Chen , Lambert Mathias

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

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…

Computation and Language · Computer Science 2020-04-14 Shuyang Gao , Sanchit Agarwal , Tagyoung Chung , Di Jin , Dilek Hakkani-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

Generalising dialogue state tracking (DST) to new data is especially challenging due to the strong reliance on abundant and fine-grained supervision during training. Sample sparsity, distributional shift and the occurrence of new concepts…

Computation and Language · Computer Science 2022-08-10 Michael Heck , Nurul Lubis , Carel van Niekerk , Shutong Feng , Christian Geishauser , Hsien-Chin Lin , Milica Gašić

Recently, low-resource dialogue state tracking (DST) has received increasing attention. First obtaining state values then based on values to generate slot types has made great progress in this task. However, obtaining state values is still…

Computation and Language · Computer Science 2024-01-31 Ming Gu , Yan Yang , Chengcai Chen , Zhou Yu

Large language models (LLMs) have demonstrated remarkable performance in zero-shot dialogue state tracking (DST), reducing the need for task-specific training. However, conventional DST benchmarks primarily focus on structured user-agent…

Computation and Language · Computer Science 2025-06-13 Sangmin Song , Juhwan Choi , JungMin Yun , YoungBin Kim

As a key component in a dialogue system, dialogue state tracking plays an important role. It is very important for dialogue state tracking to deal with the problem of unknown slot values. As far as we known, almost all existing approaches…

Computation and Language · Computer Science 2020-10-19 Puhai Yang , Heyan Huang , Xian-Ling Mao

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