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Medical dialogue generation aims to provide automatic and accurate responses to assist physicians to obtain diagnosis and treatment suggestions in an efficient manner. In medical dialogues two key characteristics are relevant for response…

计算与语言 · 计算机科学 2021-05-14 Dongdong Li , Zhaochun Ren , Pengjie Ren , Zhumin Chen , Miao Fan , Jun Ma , Maarten de Rijke

Deep learning (DL)-based autoencoder is a potential architecture to implement end-to-end communication systems. In this letter, we first give a brief introduction to the autoencoder-represented communication system. Then, we propose a novel…

信息论 · 计算机科学 2018-07-09 Xiao Chen , Liang Wu , Zaichen Zhang

We present a novel architecture for explainable modeling of task-oriented dialogues with discrete latent variables to represent dialogue actions. Our model is based on variational recurrent neural networks (VRNN) and requires no explicit…

计算与语言 · 计算机科学 2022-10-14 Vojtěch Hudeček , Ondřej Dušek

Scarcity of training data for task-oriented dialogue systems is a well known problem that is usually tackled with costly and time-consuming manual data annotation. An alternative solution is to rely on automatic text generation which,…

计算与语言 · 计算机科学 2020-11-05 Stéphane d'Ascoli , Alice Coucke , Francesco Caltagirone , Alexandre Caulier , Marc Lelarge

In social robotics, endowing humanoid robots with the ability to generate bodily expressions of affect can improve human-robot interaction and collaboration, since humans attribute, and perhaps subconsciously anticipate, such traces to…

机器人学 · 计算机科学 2022-05-03 Mina Marmpena , Fernando Garcia , Angelica Lim , Nikolas Hemion , Thomas Wennekers

Transformative innovations in model architectures have introduced hierarchical embedding augmentation as a means to redefine the representation of tokens through multi-level semantic structures, offering enhanced adaptability to complex…

计算与语言 · 计算机科学 2025-08-11 Derek Yotheringhay , Alistair Kirkland , Humphrey Kirkbride , Josiah Whitesteeple

Recent efforts in Spoken Dialogue Modeling aim to synthesize spoken dialogue without the need for direct transcription, thereby preserving the wealth of non-textual information inherent in speech. However, this approach faces a challenge…

计算与语言 · 计算机科学 2024-07-03 Yu-Kuan Fu , Cheng-Kuang Lee , Hsiu-Hsuan Wang , Hung-yi Lee

Autoregressive models used to generate responses in open-domain dialogue systems often struggle to take long-term context into account and to maintain consistency over a dialogue. Previous research in open-domain dialogue generation has…

计算与语言 · 计算机科学 2023-04-18 Mehrdad Farahani , Richard Johansson

Task-Oriented Dialogue (TOD) systems assist users in completing tasks through natural language interactions, often relying on a single-layered workflow structure for slot-filling in public tasks, such as hotel bookings. However, in…

计算与语言 · 计算机科学 2025-09-09 Lingbo Mo , Shun Jiang , Akash Maharaj , Bernard Hishamunda , Yunyao Li

We introduce AARGH, an end-to-end task-oriented dialog system combining retrieval and generative approaches in a single model, aiming at improving dialog management and lexical diversity of outputs. The model features a new response…

计算与语言 · 计算机科学 2022-09-27 Tomáš Nekvinda , Ondřej Dušek

People speak at different levels of specificity in different situations. Depending on their knowledge, interlocutors, mood, etc.} A conversational agent should have this ability and know when to be specific and when to be general. We…

计算与语言 · 计算机科学 2017-02-23 Jiwei Li , Will Monroe , Dan Jurafsky

Supervised deep learning methods for segmentation require large amounts of labelled training data, without which they are prone to overfitting, not generalizing well to unseen images. In practice, obtaining a large number of annotations…

计算机视觉与模式识别 · 计算机科学 2019-03-01 Krishna Chaitanya , Neerav Karani , Christian Baumgartner , Olivio Donati , Anton Becker , Ender Konukoglu

Recent studies in dialogue state tracking (DST) leverage historical information to determine states which are generally represented as slot-value pairs. However, most of them have limitations to efficiently exploit relevant context due to…

计算与语言 · 计算机科学 2020-12-22 Yong Shan , Zekang Li , Jinchao Zhang , Fandong Meng , Yang Feng , Cheng Niu , Jie Zhou

Existing deep learning based speech enhancement mainly employ a data-driven approach, which leverage large amounts of data with a variety of noise types to achieve noise removal from noisy signal. However, the high dependence on the data…

声音 · 计算机科学 2024-01-24 Huaying Xue , Xiulian Peng , Yan Lu

The quality of data representation in deep learning methods is directly related to the prior model imposed on the representations; however, generally used fixed priors are not capable of adjusting to the context in the data. To address this…

机器学习 · 计算机科学 2013-03-18 Rakesh Chalasani , Jose C. Principe

The field of portrait image animation, driven by speech audio input, has experienced significant advancements in the generation of realistic and dynamic portraits. This research delves into the complexities of synchronizing facial movements…

计算机视觉与模式识别 · 计算机科学 2024-06-18 Mingwang Xu , Hui Li , Qingkun Su , Hanlin Shang , Liwei Zhang , Ce Liu , Jingdong Wang , Yao Yao , Siyu Zhu

Goal-oriented proactive dialogue systems are designed to guide user conversations seamlessly towards specific objectives by planning a goal-oriented path. However, previous research has focused predominantly on optimizing these paths while…

计算与语言 · 计算机科学 2025-06-19 Didi Zhang , Yaxin Fan , Peifeng Li , Qiaoming Zhu

The increasing demand for high-quality, diverse training data poses a significant bottleneck in advancing vision-language models (VLMs). This paper presents VLM Dialog Games, a novel and scalable self-improvement framework for VLMs. Our…

机器学习 · 计算机科学 2025-02-06 Ksenia Konyushkova , Christos Kaplanis , Serkan Cabi , Misha Denil

Most existing neural network based task-oriented dialogue systems follow encoder-decoder paradigm, where the decoder purely depends on the source texts to generate a sequence of words, usually suffering from instability and poor…

计算与语言 · 计算机科学 2021-06-11 Dingmin Wang , Ziyao Chen , Wanwei He , Li Zhong , Yunzhe Tao , Min Yang

In task-oriented multi-turn dialogue systems, dialogue state refers to a compact representation of the user goal in the context of dialogue history. Dialogue state tracking (DST) is to estimate the dialogue state at each turn. Due to the…

计算与语言 · 计算机科学 2020-09-23 Zhi Chen , Lu Chen , Yanbin Zhao , Su Zhu , Kai Yu