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Turn-taking, aiming to decide when the next speaker can start talking, is an essential component in building human-robot spoken dialogue systems. Previous studies indicate that multimodal cues can facilitate this challenging task. However,…

Audio and Speech Processing · Electrical Eng. & Systems 2022-04-22 Jiudong Yang , Peiying Wang , Yi Zhu , Mingchao Feng , Meng Chen , Xiaodong He

With the availability of massive general-domain dialogue data, pre-trained dialogue generation appears to be super appealing to transfer knowledge from the general domain to downstream applications. In most existing work, such transferable…

Computation and Language · Computer Science 2022-10-25 Xueliang Zhao , Lemao Liu , Tingchen Fu , Shuming Shi , Dongyan Zhao , Rui Yan

We present DIALIGHT, a toolkit for developing and evaluating multilingual Task-Oriented Dialogue (ToD) systems which facilitates systematic evaluations and comparisons between ToD systems using fine-tuning of Pretrained Language Models…

Computation and Language · Computer Science 2024-01-05 Songbo Hu , Xiaobin Wang , Zhangdie Yuan , Anna Korhonen , Ivan Vulić

Large Language Models (LLMs) have been widely adopted to enhance Task-Oriented Dialogue Systems (TODS) by modeling complex language patterns and delivering contextually appropriate responses. However, this integration introduces significant…

Computation and Language · Computer Science 2026-03-05 Shuo Zhang , Junzhou Zhao , Junji Hou , Pinghui Wang , Chenxu Wang , Jing Tao

Task-oriented dialogue (TOD) systems have been widely deployed in many industries as they deliver more efficient customer support. These systems are typically constructed for a single domain or language and do not generalise well beyond…

Computation and Language · Computer Science 2023-06-21 Nikita Moghe , Evgeniia Razumovskaia , Liane Guillou , Ivan Vulić , Anna Korhonen , Alexandra Birch

Task-oriented dialogue focuses on conversational agents that participate in user-initiated dialogues on domain-specific topics. In contrast to chatbots, which simply seek to sustain open-ended meaningful discourse, existing task-oriented…

Computation and Language · Computer Science 2017-08-16 Mihail Eric , Christopher D. Manning

Recent work has shown that self-supervised dialog-specific pretraining on large conversational datasets yields substantial gains over traditional language modeling (LM) pretraining in downstream task-oriented dialog (TOD). These approaches,…

Computation and Language · Computer Science 2022-05-24 Chia-Chien Hung , Anne Lauscher , Simone Paolo Ponzetto , Goran Glavaš

Developing semi-supervised task-oriented dialog (TOD) systems by leveraging unlabeled dialog data has attracted increasing interests. For semi-supervised learning of latent state TOD models, variational learning is often used, but suffers…

Computation and Language · Computer Science 2022-07-26 Yucheng Cai , Hong Liu , Zhijian Ou , Yi Huang , Junlan Feng

Task-oriented dialogue systems are broadly used in virtual assistants and other automated services, providing interfaces between users and machines to facilitate specific tasks. Nowadays, task-oriented dialogue systems have greatly…

Computation and Language · Computer Science 2024-05-17 Ruolin Su , Biing-Hwang Juang

Task-oriented dialogue (TOD) systems are commonly designed with the presumption that each utterance represents a single intent. However, this assumption may not accurately reflect real-world situations, where users frequently express…

Computation and Language · Computer Science 2024-03-28 Yejin Yoon , Jungyeon Lee , Kangsan Kim , Chanhee Park , Taeuk Kim

Existing imitation learning methods enable robots to interact autonomously with the physical environment. However, contact-rich manipulation tasks remain a significant challenge due to complex contact dynamics that demand high-precision…

Task-oriented dialogue generation is challenging since the underlying knowledge is often dynamic and effectively incorporating knowledge into the learning process is hard. It is particularly challenging to generate both human-like and…

Computation and Language · Computer Science 2022-04-21 Md Rashad Al Hasan Rony , Ricardo Usbeck , Jens Lehmann

Pre-trained conversation models (PCMs) have demonstrated remarkable results in task-oriented dialogue (TOD) systems. Many PCMs focus predominantly on dialogue management tasks like dialogue state tracking, dialogue generation tasks like…

Computation and Language · Computer Science 2023-12-29 Mingtao Yang , See-Kiong Ng , Jinlan Fu

We present CID-GraphRAG (Conversational Intent-Driven Graph Retrieval-Augmented Generation), a novel framework that addresses the limitations of existing dialogue systems in maintaining both contextual coherence and goal-oriented…

Artificial Intelligence · Computer Science 2026-02-10 Ziqi Zhu , Tao Hu , Honglong Zhang , Dan Yang , Hangeng Chen , Mengran Zhang , Xilun Chen

Obtaining a single-vector representation from a Large Language Model's (LLM) token-level outputs is a critical step for nearly all sentence-level tasks. However, standard pooling methods like mean or max aggregation treat tokens as an…

Machine Learning · Computer Science 2026-03-05 Krishna Sri Ipsit Mantri , Carola-Bibiane Schönlieb , Zorah Lähner , Moshe Eliasof

In service-oriented architectures, accurately predicting the Quality of Service (QoS) is crucial for maintaining reliability and enhancing user satisfaction. However, significant challenges remain due to existing methods always overlooking…

Artificial Intelligence · Computer Science 2024-10-28 Shengxiang Hu , Guobing Zou , Song Yang , Yanglan Gan , Bofeng Zhang , Yixin Chen

Efficiently deriving structured workflows from unannotated dialogs remains an underexplored and formidable challenge in computational linguistics. Automating this process could significantly accelerate the manual design of workflows in new…

Computation and Language · Computer Science 2024-11-20 Sergio Burdisso , Srikanth Madikeri , Petr Motlicek

Task-oriented dialogues often require agents to enact complex, multi-step procedures in order to meet user requests. While large language models have found success automating these dialogues in constrained environments, their widespread…

Computation and Language · Computer Science 2023-06-08 Julia White , Arushi Raghuvanshi , Yada Pruksachatkun

Recent work on dialogue-based collaborative plan acquisition (CPA) has suggested that Theory of Mind (ToM) modelling can improve missing knowledge prediction in settings with asymmetric skill-sets and knowledge. Although ToM was claimed to…

Artificial Intelligence · Computer Science 2024-05-30 Matteo Bortoletto , Constantin Ruhdorfer , Adnen Abdessaied , Lei Shi , Andreas Bulling

Large Language Model (LLM)-based agents demonstrate strong reasoning and execution capabilities on complex tasks when guided by structured instructions, commonly referred to as workflows. However, existing workflow-assisted agent serving…

Machine Learning · Computer Science 2026-05-22 Ao Li , Shangpeng Yang , Fahao Chen , Tianheng Xu , Peng Li , Zhou Su