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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…

计算与语言 · 计算机科学 2025-10-31 Jihyun Lee , Solee Im , Wonjun Lee , Gary Geunbae Lee

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…

计算与语言 · 计算机科学 2020-10-08 Su Zhu , Jieyu Li , Lu Chen , Kai Yu

Recently several deep learning based models have been proposed for end-to-end learning of dialogs. While these models can be trained from data without the need for any additional annotations, it is hard to interpret them. On the other hand,…

人工智能 · 计算机科学 2018-11-05 Dhiraj Madan , Dinesh Raghu , Gaurav Pandey , Sachindra Joshi

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…

计算与语言 · 计算机科学 2020-02-21 Adarsh Kumar , Peter Ku , Anuj Kumar Goyal , Angeliki Metallinou , Dilek Hakkani-Tur

Sequence-to-sequence state-of-the-art systems for dialogue state tracking (DST) use the full dialogue history as input, represent the current state as a list with all the slots, and generate the entire state from scratch at each dialogue…

计算与语言 · 计算机科学 2024-10-17 Pietro Lesci , Yoshinari Fujinuma , Momchil Hardalov , Chao Shang , Yassine Benajiba , Lluis Marquez

In a task-oriented dialog system, the goal of dialog state tracking (DST) is to monitor the state of the conversation from the dialog history. Recently, many deep learning based methods have been proposed for the task. Despite their…

计算与语言 · 计算机科学 2020-02-11 Tuan Manh Lai , Quan Hung Tran , Trung Bui , Daisuke Kihara

This paper proposes an improvement to the existing data-driven Neural Belief Tracking (NBT) framework for Dialogue State Tracking (DST). The existing NBT model uses a hand-crafted belief state update mechanism which involves an expensive…

计算与语言 · 计算机科学 2018-05-30 Nikola Mrkšić , Ivan Vulić

Dialogue state tracking (DST) aims to convert the dialogue history into dialogue states which consist of slot-value pairs. As condensed structural information memorizing all history information, the dialogue state in the last turn is…

计算与语言 · 计算机科学 2023-06-21 Haoning Zhang , Junwei Bao , Haipeng Sun , Youzheng Wu , Wenye Li , Shuguang Cui , Xiaodong He

We tackle the Dialogue Belief State Tracking(DST) problem of task-oriented conversational systems. Recent approaches to this problem leveraging Transformer-based models have yielded great results. However, training these models is…

计算与语言 · 计算机科学 2022-04-19 Debjoy Saha , Bishal Santra , Pawan Goyal

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…

计算与语言 · 计算机科学 2020-01-22 Vevake Balaraman , Bernardo Magnini

In this work, we approach spoken Dialogue State Tracking (DST) by bridging the representation spaces of speech encoders and LLMs via a small connector module, with a focus on fully open-sourced and open-data components (WavLM-large, OLMo).…

音频与语音处理 · 电气工程与系统科学 2025-06-11 Šimon Sedláček , Bolaji Yusuf , Ján Švec , Pradyoth Hegde , Santosh Kesiraju , Oldřich Plchot , Jan Černocký

Dialogue state tracking (DST) is a key component of task-oriented dialogue systems. DST estimates the user's goal at each user turn given the interaction until then. State of the art approaches for state tracking rely on deep learning…

计算与语言 · 计算机科学 2018-01-03 Abhinav Rastogi , Dilek Hakkani-Tur , Larry Heck

Dialogue state tracking (DST) is an important part of a spoken dialogue system. Existing DST models either ignore temporal feature dependencies across dialogue turns or fail to explicitly model temporal state dependencies in a dialogue. In…

计算与语言 · 计算机科学 2020-10-06 Junfan Chen , Richong Zhang , Yongyi Mao , Jie Xu

Though Dialogue State Tracking (DST) is a core component of spoken dialogue systems, recent work on this task mostly deals with chat corpora, disregarding the discrepancies between spoken and written language.In this paper, we propose…

音频与语音处理 · 电气工程与系统科学 2023-09-01 Léo Jacqmin , Lucas Druart , Yannick Estève , Benoît Favre , Lina Maria Rojas-Barahona , Valentin Vielzeuf

This paper describes our approach in DSTC 8 Track 4: Schema-Guided Dialogue State Tracking. The goal of this task is to predict the intents and slots in each user turn to complete the dialogue state tracking (DST) based on the information…

计算与语言 · 计算机科学 2020-02-04 Yue Ma , Zengfeng Zeng , Dawei Zhu , Xuan Li , Yiying Yang , Xiaoyuan Yao , Kaijie Zhou , Jianping Shen

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…

计算与语言 · 计算机科学 2019-04-08 Sanuj Sharma , Prafulla Kumar Choubey , Ruihong Huang

There has been a rapid development in data-driven task-oriented dialogue systems with the benefit of large-scale datasets. However, the progress of dialogue systems in low-resource languages lags far behind due to the lack of high-quality…

计算与语言 · 计算机科学 2021-01-28 Yen-Ting Lin , Yun-Nung Chen

Task-oriented conversational systems often use dialogue state tracking to represent the user's intentions, which involves filling in values of pre-defined slots. Many approaches have been proposed, often using task-specific architectures…

计算与语言 · 计算机科学 2021-09-17 Chia-Hsuan Lee , Hao Cheng , Mari Ostendorf

Goal-oriented dialogue systems typically rely on components specifically developed for a single task or domain. This limits such systems in two different ways: If there is an update in the task domain, the dialogue system usually needs to…

人工智能 · 计算机科学 2018-12-03 Rahul Goel , Shachi Paul , Tagyoung Chung , Jeremie Lecomte , Arindam Mandal , Dilek Hakkani-Tur

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.…

计算与语言 · 计算机科学 2023-02-28 Han Zhou , Ignacio Iacobacci , Pasquale Minervini