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New intent discovery aims to uncover novel intent categories from user utterances to expand the set of supported intent classes. It is a critical task for the development and service expansion of a practical dialogue system. Despite its…

Computation and Language · Computer Science 2025-04-08 Yuwei Zhang , Haode Zhang , Li-Ming Zhan , Albert Y. S. Lam , Xiao-Ming Wu

Identifying new user intents is an essential task in the dialogue system. However, it is hard to get satisfying clustering results since the definition of intents is strongly guided by prior knowledge. Existing methods incorporate prior…

Computation and Language · Computer Science 2019-11-21 Ting-En Lin , Hua Xu , Hanlei Zhang

Most dialogue systems in real world rely on predefined intents and answers for QA service, so discovering potential intents from large corpus previously is really important for building such dialogue services. Considering that most…

Machine Learning · Computer Science 2022-01-20 Feng Wei , Zhenbo Chen , Zhenghong Hao , Fengxin Yang , Hua Wei , Bing Han , Sheng Guo

Intent understanding plays an important role in dialog systems, and is typically formulated as a supervised learning problem. However, it is challenging and time-consuming to design the intents for a new domain from scratch, which usually…

Computation and Language · Computer Science 2021-12-15 Pengfei Liu , Youzhang Ning , King Keung Wu , Kun Li , Helen Meng

New intent discovery is of great value to natural language processing, allowing for a better understanding of user needs and providing friendly services. However, most existing methods struggle to capture the complicated semantics of…

Computation and Language · Computer Science 2023-12-14 Hanlei Zhang , Hua Xu , Xin Wang , Fei Long , Kai Gao

Discovering new intents is of great significance to establishing Bootstrapped Task-Oriented Dialogue System. Most existing methods either lack the ability to transfer prior knowledge in the known intent data or fall into the dilemma of…

Computation and Language · Computer Science 2022-10-24 Yunhua Zhou , Peiju Liu , Yuxin Wang , Xipeng QIu

Deriving value from a conversational AI system depends on the capacity of a user to translate the prior knowledge into a configuration. In most cases, discovering the set of relevant turn-level speaker intents is often one of the key steps.…

Computation and Language · Computer Science 2024-10-22 Mrinal Rawat , Hithesh Sankararaman , Victor Barres

Conversational systems are of primary interest in the AI community. Chatbots are increasingly being deployed to provide round-the-clock support and to increase customer engagement. Many of the commercial bot building frameworks follow a…

Computation and Language · Computer Science 2021-01-19 Ajay Chatterjee , Shubhashis Sengupta

New intent discovery (NID) seeks to recognize both new and known intents from unlabeled user utterances, which finds prevalent use in practical dialogue systems. Existing works towards NID mainly adopt a cascaded architecture, wherein the…

Computation and Language · Computer Science 2025-11-11 Hongtao Wang , Renchi Yang , Wenqing Lin

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

Novel intent discovery automates the process of grouping similar messages (questions) to identify previously unknown intents. However, current research focuses on publicly available datasets which have only the question field and…

Computation and Language · Computer Science 2023-05-10 Aleksandra Chrabrowa , Tsimur Hadeliya , Dariusz Kajtoch , Robert Mroczkowski , Piotr Rybak

Intent discovery is the task of inferring latent intents from a set of unlabeled utterances, and is a useful step towards the efficient creation of new conversational agents. We show that recent competitive methods in intent discovery can…

Computation and Language · Computer Science 2023-06-01 Maarten De Raedt , Fréderic Godin , Thomas Demeester , Chris Develder

Dialogue intent classification aims to identify the underlying purpose or intent of a user's input in a conversation. Current intent classification systems encounter considerable challenges, primarily due to the vast number of possible…

Computation and Language · Computer Science 2024-12-23 Gyutae Park , Ingeol Baek , ByeongJeong Kim , Joongbo Shin , Hwanhee Lee

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

Identifying intents from dialogue utterances forms an integral component of task-oriented dialogue systems. Intent-related tasks are typically formulated either as a classification task, where the utterances are classified into predefined…

Computation and Language · Computer Science 2023-10-26 Bhavuk Singhal , Ashim Gupta , Shivasankaran V P , Amrith Krishna

The focus of this work is to investigate unsupervised approaches to overcome quintessential challenges in designing task-oriented dialog schema: assigning intent labels to each dialog turn (intent clustering) and generating a set of intents…

Computation and Language · Computer Science 2024-06-06 Jeiyoon Park , Yoonna Jang , Chanhee Lee , Heuiseok Lim

We introduce the dialog intent induction task and present a novel deep multi-view clustering approach to tackle the problem. Dialog intent induction aims at discovering user intents from user query utterances in human-human conversations…

Computation and Language · Computer Science 2020-09-17 Hugh Perkins , Yi Yang

Building the Natural Language Understanding (NLU) modules of task-oriented Spoken Dialogue Systems (SDS) involves a definition of intents and entities, collection of task-relevant data, annotating the data with intents and entities, and…

Computation and Language · Computer Science 2021-05-13 Saurav Sahay , Eda Okur , Nagib Hakim , Lama Nachman

Clustering is a widely-used data mining tool, which aims to discover partitions of similar items in data. We introduce a new clustering paradigm, \emph{accordant clustering}, which enables the discovery of (predefined) group level insights.…

Machine Learning · Computer Science 2017-04-11 Amit Dhurandhar , Margareta Ackerman , Xiang Wang

Open intent classification is a practical yet challenging task in dialogue systems. Its objective is to accurately classify samples of known intents while at the same time detecting those of open (unknown) intents. Existing methods usually…

Computation and Language · Computer Science 2022-05-10 Zifeng Cheng , Zhiwei Jiang , Yafeng Yin , Cong Wang , Qing Gu
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