English
Related papers

Related papers: DROID: Dual Representation for Out-of-Scope Intent…

200 papers

Detecting out-of-scope user utterances is essential for task-oriented dialogues and intent classification. Current methodologies face difficulties with the unpredictable distribution of outliers and often rely on assumptions about data…

Computation and Language · Computer Science 2024-06-03 Hossam M. Zawbaa , Wael Rashwan , Sourav Dutta , Haytham Assem

Out-of-scope (OOS) intent detection is a critical challenge in task-oriented dialogue systems (TODS), as it ensures robustness to unseen and ambiguous queries. In this work, we propose a novel but simple modular framework that combines…

Computation and Language · Computer Science 2025-07-03 Álvaro Zaera , Diana Nicoleta Popa , Ivan Sekulic , Paolo Rosso

Intent Detection is one of the tasks of the Natural Language Understanding (NLU) unit in task-oriented dialogue systems. Out of Scope (OOS) and Out of Domain (OOD) inputs may run these systems into a problem. On the other side, a labeled…

Computation and Language · Computer Science 2023-08-01 Masoud Akbari , Ali Mohades , M. Hassan Shirali-Shahreza

To ensure satisfactory user experience, dialog systems must be able to determine whether an input sentence is in-domain (ID) or out-of-domain (OOD). We assume that only ID sentences are available as training data because collecting enough…

Computation and Language · Computer Science 2018-08-01 Seonghan Ryu , Seokhwan Kim , Junhwi Choi , Hwanjo Yu , Gary Geunbae Lee

Out-of-Domain (OOD) intent detection is vital for practical dialogue systems, and it usually requires considering multi-turn dialogue contexts. However, most previous OOD intent detection approaches are limited to single dialogue turns. In…

Computation and Language · Computer Science 2024-02-26 Hao Lang , Yinhe Zheng , Binyuan Hui , Fei Huang , Yongbin Li

Detecting Out-of-Domain (OOD) or unknown intents from user queries is essential in a task-oriented dialog system. A key challenge of OOD detection is to learn discriminative semantic features. Traditional cross-entropy loss only focuses on…

Computation and Language · Computer Science 2021-06-01 Zhiyuan Zeng , Keqing He , Yuanmeng Yan , Zijun Liu , Yanan Wu , Hong Xu , Huixing Jiang , Weiran Xu

User queries for a real-world dialog system may sometimes fall outside the scope of the system's capabilities, but appropriate system responses will enable smooth processing throughout the human-computer interaction. This paper is concerned…

Computation and Language · Computer Science 2021-12-15 Pengfei Liu , Kun Li , Helen Meng

Natural Language Understanding (NLU) is a vital component of dialogue systems, and its ability to detect Out-of-Domain (OOD) inputs is critical in practical applications, since the acceptance of the OOD input that is unsupported by the…

Computation and Language · Computer Science 2022-05-25 Yinhe Zheng , Guanyi Chen , Minlie Huang

Out-of-scope intent detection is of practical importance in task-oriented dialogue systems. Since the distribution of outlier utterances is arbitrary and unknown in the training stage, existing methods commonly rely on strong assumptions on…

Computation and Language · Computer Science 2021-06-18 Li-Ming Zhan , Haowen Liang , Bo Liu , Lu Fan , Xiao-Ming Wu , Albert Y. S. Lam

In virtual assistant (VA) systems it is important to reject or redirect user queries that fall outside the scope of the system. One of the most accurate approaches for out-of-scope (OOS) rejection is to combine it with the task of intent…

Computation and Language · Computer Science 2024-10-22 Tianyi Zhang , Atta Norouzian , Aanchan Mohan , Frederick Ducatelle

Practical dialogue systems require robust methods of detecting out-of-scope (OOS) utterances to avoid conversational breakdowns and related failure modes. Directly training a model with labeled OOS examples yields reasonable performance,…

Computation and Language · Computer Science 2021-09-08 Derek Chen , Zhou Yu

Intent classification is a major task in spoken language understanding (SLU). Since most models are built with pre-collected in-domain (IND) training utterances, their ability to detect unsupported out-of-domain (OOD) utterances has a…

Computation and Language · Computer Science 2021-06-29 Yilin Shen , Yen-Chang Hsu , Avik Ray , Hongxia Jin

Conversational agents are usually designed for closed-world environments. Unfortunately, users can behave unexpectedly. Based on the open-world environment, we often encounter the situation that the training and test data are sampled from…

Computation and Language · Computer Science 2022-04-25 Petr Lorenc , Tommaso Gargiani , Jan Pichl , Jakub Konrád , Petr Marek , Ondřej Kobza , Jan Šedivý

In the realm of task-oriented dialogue systems, a robust intent detection mechanism must effectively handle malformed utterances encountered in real-world scenarios. This study presents a novel fine-tuning framework for large language…

Computation and Language · Computer Science 2024-09-23 Bo Liu , Liming Zhan , Yujie Feng , Zexin Lu , Chengqiang Xie , Lei Xue , Albert Y. S. Lam , Xiao-Ming Wu

Multimodal intent understanding is a significant research area that requires effective leveraging of multiple modalities to analyze human language. Existing methods face two main challenges in this domain. Firstly, they have limitations in…

Multimedia · Computer Science 2025-05-26 Hanlei Zhang , Qianrui Zhou , Hua Xu , Jianhua Su , Roberto Evans , Kai Gao

Neural dialog models often lack robustness to anomalous user input and produce inappropriate responses which leads to frustrating user experience. Although there are a set of prior approaches to out-of-domain (OOD) utterance detection, they…

Computation and Language · Computer Science 2019-05-27 Sungjin Lee , Igor Shalyminov

Out-of-Domain (OOD) intent detection is important for practical dialog systems. To alleviate the issue of lacking OOD training samples, some works propose synthesizing pseudo OOD samples and directly assigning one-hot OOD labels to these…

Computation and Language · Computer Science 2022-11-11 Hao Lang , Yinhe Zheng , Jian Sun , Fei Huang , Luo Si , Yongbin Li

Intent detection is a critical component of task-oriented dialogue systems (TODS) which enables the identification of suitable actions to address user utterances at each dialog turn. Traditional approaches relied on computationally…

Computation and Language · Computer Science 2024-10-03 Gaurav Arora , Shreya Jain , Srujana Merugu

Open-Set Object Detection (OSOD) enables recognition of novel categories beyond fixed classes but faces challenges in aligning text representations with complex visual concepts and the scarcity of image-text pairs for rare categories. This…

Computer Vision and Pattern Recognition · Computer Science 2026-04-08 Weifu Fu , Jinyang Li , Bin-Bin Gao , Jialin Li , Yuhuan Lin , Hanqiu Deng , Wenbing Tao , Yong Liu , Chengjie Wang

The reliability of artificial intelligence (AI) systems in open-world settings depends heavily on their ability to flag out-of-distribution (OOD) inputs unseen during training. Recent advances in large-scale vision-language models (VLMs)…

Machine Learning · Computer Science 2025-10-14 Faizul Rakib Sayem , Shahana Ibrahim
‹ Prev 1 2 3 10 Next ›