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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

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

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…

Dialogue state tracking (DST) aims to predict the current dialogue state given the dialogue history. Existing methods generally exploit the utterances of all dialogue turns to assign value for each slot. This could lead to suboptimal…

Computation and Language · Computer Science 2022-05-06 Yifan Wang , Jing Zhao , Junwei Bao , Chaoqun Duan , Youzheng Wu , Xiaodong He

A Dialogue State Tracker is a key component in dialogue systems which estimates the beliefs of possible user goals at each dialogue turn. Deep learning approaches using recurrent neural networks have shown state-of-the-art performance for…

Computation and Language · Computer Science 2019-11-04 Vevake Balaraman , Bernardo Magnini

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…

Computation and Language · Computer Science 2022-07-05 Eleftherios Kapelonis , Efthymios Georgiou , Alexandros Potamianos

Recent works on end-to-end trainable neural network based approaches have demonstrated state-of-the-art results on dialogue state tracking. The best performing approaches estimate a probability distribution over all possible slot values.…

Computation and Language · Computer Science 2019-07-02 Rahul Goel , Shachi Paul , Dilek Hakkani-Tür

Dialogue state tracking (DST) aims to record user queries and goals during a conversational interaction achieved by maintaining a predefined set of slots and their corresponding values. Current approaches decide slot values opaquely, while…

Computation and Language · Computer Science 2024-03-12 Lin Xu , Ningxin Peng , Daquan Zhou , See-Kiong Ng , Jinlan Fu

This paper introduces a novel approach to Dialogue State Tracking (DST) that leverages Large Language Models (LLMs) to generate natural language descriptions of dialogue states, moving beyond traditional slot-value representations.…

Computation and Language · Computer Science 2025-03-13 Rafael Carranza , Mateo Alejandro Rojas

Few-shot dialogue state tracking (DST) model tracks user requests in dialogue with reliable accuracy even with a small amount of data. In this paper, we introduce an ontology-free few-shot DST with self-feeding belief state input. The…

Computation and Language · Computer Science 2022-09-19 Jihyun Lee , Gary Geunbae Lee

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

Task-oriented dialogue systems aim to help users achieve their goals in specific domains. Recent neural dialogue systems use the entire dialogue history for abundant contextual information accumulated over multiple conversational turns.…

Computation and Language · Computer Science 2021-03-12 Hyunmin Jeon , Gary Geunbae Lee

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

Dialogue State Tracking (DST) forms a core component of automated chatbot based systems designed for specific goals like hotel, taxi reservation, tourist information, etc. With the increasing need to deploy such systems in new domains,…

Computation and Language · Computer Science 2021-04-06 Saket Dingliwal , Bill Gao , Sanchit Agarwal , Chien-Wei Lin , Tagyoung Chung , Dilek Hakkani-Tur

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

A typical conversation comprises of multiple turns between participants where they go back-and-forth between different topics. At each user turn, dialogue state tracking (DST) aims to estimate user's goal by processing the current…

Computation and Language · Computer Science 2019-04-08 Sanuj Sharma , Prafulla Kumar Choubey , Ruihong Huang

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

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

An indispensable component in task-oriented dialogue systems is the dialogue state tracker, which keeps track of users' intentions in the course of conversation. The typical approach towards this goal is to fill in multiple pre-defined…

Computation and Language · Computer Science 2021-01-26 Fanghua Ye , Jarana Manotumruksa , Qiang Zhang , Shenghui Li , Emine Yilmaz

Task-oriented dialog systems rely on dialog state tracking (DST) to monitor the user's goal during the course of an interaction. Multi-domain and open-vocabulary settings complicate the task considerably and demand scalable solutions. In…

Computation and Language · Computer Science 2020-09-28 Michael Heck , Carel van Niekerk , Nurul Lubis , Christian Geishauser , Hsien-Chin Lin , Marco Moresi , Milica Gašić