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New intent discovery is a crucial capability for task-oriented dialogue systems. Existing methods focus on transferring in-domain (IND) prior knowledge to out-of-domain (OOD) data through pre-training and clustering stages. They either…

Computation and Language · Computer Science 2024-10-29 Yimin Deng , Yuxia Wu , Guoshuai Zhao , Li Zhu , Xueming Qian

Intent classification (IC) and slot filling (SF) are critical building blocks in task-oriented dialogue systems. These two tasks are closely-related and can flourish each other. Since only a few utterances can be utilized for identifying…

Computation and Language · Computer Science 2021-10-27 Han Liu , Feng Zhang , Xiaotong Zhang , Siyang Zhao , Xianchao Zhang

Intent classification (IC) plays an important role in task-oriented dialogue systems. However, IC models often generalize poorly when training without sufficient annotated examples for each user intent. We propose a novel pre-training…

Computation and Language · Computer Science 2023-11-15 Mujeen Sung , James Gung , Elman Mansimov , Nikolaos Pappas , Raphael Shu , Salvatore Romeo , Yi Zhang , Vittorio Castelli

Open intent classification, which aims to correctly classify the known intents into their corresponding classes while identifying the new unknown (open) intents, is an essential but challenging task in dialogue systems. In this paper, we…

Computation and Language · Computer Science 2023-04-21 Xiaokang Liu , Jianquan Li , Jingjing Mu , Min Yang , Ruifeng Xu , Benyou Wang

Unlike well-structured text, such as news reports and encyclopedia articles, dialogue content often comes from two or more interlocutors, exchanging information with each other. In such a scenario, the topic of a conversation can vary upon…

Computation and Language · Computer Science 2021-09-13 Junpeng Liu , Yanyan Zou , Hainan Zhang , Hongshen Chen , Zhuoye Ding , Caixia Yuan , Xiaojie Wang

Multimodal intent recognition aims to leverage diverse modalities such as expressions, body movements and tone of speech to comprehend user's intent, constituting a critical task for understanding human language and behavior in real-world…

Multimedia · Computer Science 2024-06-07 Qianrui Zhou , Hua Xu , Hao Li , Hanlei Zhang , Xiaohan Zhang , Yifan Wang , Kai Gao

Sequential recommendation is one of the important branches of recommender system, aiming to achieve personalized recommended items for the future through the analysis and prediction of users' ordered historical interactive behaviors.…

Information Retrieval · Computer Science 2024-05-09 Zeyu Hu , Yuzhi Xiao , Tao Huang , Xuanrong Huo

Existing task-oriented chatbots heavily rely on spoken language understanding (SLU) systems to determine a user's utterance's intent and other key information for fulfilling specific tasks. In real-life applications, it is crucial to…

Computation and Language · Computer Science 2022-01-19 Jiashu Pu , Guandan Chen , Yongzhu Chang , Xiaoxi Mao

In this work, we focus on a more challenging few-shot intent detection scenario where many intents are fine-grained and semantically similar. We present a simple yet effective few-shot intent detection schema via contrastive pre-training…

Computation and Language · Computer Science 2021-09-15 Jianguo Zhang , Trung Bui , Seunghyun Yoon , Xiang Chen , Zhiwei Liu , Congying Xia , Quan Hung Tran , Walter Chang , Philip Yu

Zero-shot intent classification is a vital and challenging task in dialogue systems, which aims to deal with numerous fast-emerging unacquainted intents without annotated training data. To obtain more satisfactory performance, the crucial…

Computation and Language · Computer Science 2022-06-07 Han Liu , Siyang Zhao , Xiaotong Zhang , Feng Zhang , Junjie Sun , Hong Yu , Xianchao Zhang

Any organization needs to improve their products, services, and processes. In this context, engaging with customers and understanding their journey is essential. Organizations have leveraged various techniques and technologies to support…

Computation and Language · Computer Science 2022-12-08 Sahar Moradizeyveh

This paper targets the problem of multi-task dense prediction which aims to achieve simultaneous learning and inference on a bunch of multiple dense prediction tasks in a single framework. A core objective in design is how to effectively…

Computer Vision and Pattern Recognition · Computer Science 2023-07-18 Siwei Yang , Hanrong Ye , Dan Xu

Achieving artificially intelligent-native wireless networks is necessary for the operation of future 6G applications such as the metaverse. Nonetheless, current communication schemes are, at heart, a mere reconstruction process that lacks…

Machine Learning · Computer Science 2022-12-20 Christina Chaccour , Walid Saad

Goal oriented dialogue systems have become a prominent customer-care interaction channel for most businesses. However, not all interactions are smooth, and customer intent misunderstanding is a major cause of dialogue failure. We show that…

Computation and Language · Computer Science 2021-10-26 Eyal Ben-David , Boaz Carmeli , Ateret Anaby-Tavor

We propose a novel methodology to address dialog learning in the context of goal-oriented conversational systems. The key idea is to quantize the dialog space into clusters and create a language model across the clusters, thus allowing for…

Computation and Language · Computer Science 2018-12-27 R. Chulaka Gunasekara , David Nahamoo , Lazaros C. Polymenakos , Jatin Ganhotra , Kshitij P. Fadnis

Most of the existing works for dialogue generation are data-driven models trained directly on corpora crawled from websites. They mainly focus on improving the model architecture to produce better responses but pay little attention to…

Computation and Language · Computer Science 2021-06-23 Xin Li , Piji Li , Yan Wang , Xiaojiang Liu , Wai Lam

Selecting an appropriate response from many candidates given the utterances in a multi-turn dialogue is the key problem for a retrieval-based dialogue system. Existing work formalizes the task as matching between the utterances and a…

Computation and Language · Computer Science 2022-03-03 Wentao Zhang , Shuang Xu , Haoran Huang

Context modeling plays a significant role in building multi-turn dialogue systems. In order to make full use of context information, systems can use Incomplete Utterance Rewriting(IUR) methods to simplify the multi-turn dialogue into…

Computation and Language · Computer Science 2022-03-23 Zhihao Wang , Tangjian Duan , Zihao Wang , Minghui Yang , Zujie Wen , Yongliang Wang

Conversational analytics has been on the forefront of transformation driven by the advances in Speech and Natural Language Processing techniques. Rapid adoption of Large Language Models (LLMs) in the analytics field has taken the problems…

Computation and Language · Computer Science 2025-08-27 Igor Shalyminov , Hang Su , Jake Vincent , Siffi Singh , Jason Cai , James Gung , Raphael Shu , Saab Mansour

Multiple intent detection and slot filling are two fundamental and crucial tasks in spoken language understanding. Motivated by the fact that the two tasks are closely related, joint models that can detect intents and extract slots…

Computation and Language · Computer Science 2023-12-29 Nguyen Anh Tu , Hoang Thi Thu Uyen , Tu Minh Phuong , Ngo Xuan Bach