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Few-shot dialogue state tracking (DST) is a realistic problem that trains the DST model with limited labeled data. Existing few-shot methods mainly transfer knowledge learned from external labeled dialogue data (e.g., from question…

Computation and Language · Computer Science 2022-10-12 Haoning Zhang , Junwei Bao , Haipeng Sun , Huaishao Luo , Wenye Li , Shuguang Cui

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

Task oriented dialogue systems rely heavily on specialized dialogue state tracking (DST) modules for dynamically predicting user intent throughout the conversation. State-of-the-art DST models are typically trained in a supervised manner…

Dialogue State Tracking (DST) is a key part of task-oriented dialogue systems, identifying important information in conversations. However, its accuracy drops significantly in spoken dialogue environments due to named entity errors from…

Computation and Language · Computer Science 2025-10-31 Jihyun Lee , Solee Im , Wonjun Lee , Gary Geunbae Lee

Generative model has been one of the most common approaches for solving the Dialog State Tracking Problem with the capabilities to model the dialog hypotheses in an explicit manner. The most important task in such Bayesian networks models…

Artificial Intelligence · Computer Science 2017-02-22 Quan Nguyen

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

Scene text recognition (STR) is a challenging task that requires large-scale annotated data for training. However, collecting and labeling real text images is expensive and time-consuming, which limits the availability of real data.…

Computer Vision and Pattern Recognition · Computer Science 2024-02-27 Mingkun Yang , Biao Yang , Minghui Liao , Yingying Zhu , Xiang Bai

The sequential order of utterances is often meaningful in coherent dialogues, and the order changes of utterances could lead to low-quality and incoherent conversations. We consider the order information as a crucial supervised signal for…

Computation and Language · Computer Science 2019-07-02 Jiawei Wu , Xin Wang , William Yang Wang

There has been significant interest in zero and few-shot learning for dialogue state tracking (DST) due to the high cost of collecting and annotating task-oriented dialogues. Recent work has demonstrated that in-context learning requires…

Computation and Language · Computer Science 2023-07-06 Brendan King , Jeffrey Flanigan

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

Designed for tracking user goals in dialogues, a dialogue state tracker is an essential component in a dialogue system. However, the research of dialogue state tracking has largely been limited to unimodality, in which slots and slot values…

Artificial Intelligence · Computer Science 2022-06-17 Hung Le , Nancy F. Chen , Steven C. H. Hoi

Dialogue State Tracking (DST) is critical for comprehensively interpreting user and system utterances, thereby forming the cornerstone of efficient dialogue systems. Despite past research efforts focused on enhancing DST performance through…

Computation and Language · Computer Science 2023-07-25 Yukyung Lee , Takyoung Kim , Hoonsang Yoon , Pilsung Kang , Junseong Bang , Misuk Kim

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

Dialogue summarization aims to generate a summary that indicates the key points of a given dialogue. In this work, we propose an end-to-end neural model for dialogue summarization with two novel modules, namely, the \emph{supporting…

Computation and Language · Computer Science 2021-08-04 Wang Chen , Piji Li , Hou Pong Chan , Irwin King

Discourse parsing could not yet take full advantage of the neural NLP revolution, mostly due to the lack of annotated datasets. We propose a novel approach that uses distant supervision on an auxiliary task (sentiment classification), to…

Computation and Language · Computer Science 2019-11-01 Patrick Huber , Giuseppe Carenini

Semi-supervised dialogue summarization (SSDS) leverages model-generated summaries to reduce reliance on human-labeled data and improve the performance of summarization models. While addressing label noise, previous works on semi-supervised…

Computation and Language · Computer Science 2024-03-08 Jianfeng He , Hang Su , Jason Cai , Igor Shalyminov , Hwanjun Song , Saab Mansour

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 medical dialogue system is a promising application that can provide great convenience for patients. The dialogue state tracking (DST) module in the medical dialogue system which interprets utterances into the machine-readable structure…

Computation and Language · Computer Science 2022-03-21 Jun Liu , Tong Ruan , Haofen Wang , Huanhuan Zhang

Dialogue state tracking is a key part of a task-oriented dialogue system, which estimates the user's goal at each turn of the dialogue. In this paper, we propose the Point-Or-Generate Dialogue State Tracker (POGD). POGD solves the dialogue…

Computation and Language · Computer Science 2020-08-11 Song Xiaohui , Hu Songlin

The natural language generation (NLG) component of a spoken dialogue system (SDS) usually needs a substantial amount of handcrafting or a well-labeled dataset to be trained on. These limitations add significantly to development costs and…

Computation and Language · Computer Science 2015-08-10 Tsung-Hsien Wen , Milica Gasic , Dongho Kim , Nikola Mrksic , Pei-Hao Su , David Vandyke , Steve Young