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The mismatch between training and target data is one major challenge for current machine learning systems. When training data is collected from multiple domains and the target domains include all training domains and other new domains, we…

机器学习 · 计算机科学 2021-01-22 Haotian Ye , Chuanlong Xie , Yue Liu , Zhenguo Li

In an out-of-distribution (OOD) detection problem, samples of known classes(also called in-distribution classes) are used to train a special classifier. In testing, the classifier can (1) classify the test samples of known classes to their…

计算机视觉与模式识别 · 计算机科学 2023-02-06 Sepideh Esmaeilpour , Bing Liu , Eric Robertson , Lei Shu

Automatically classifying the relation between sentences in a discourse is a challenging task, in particular when there is no overt expression of the relation. It becomes even more challenging by the fact that annotated training data exists…

计算与语言 · 计算机科学 2019-07-31 Murathan Kurfalı , Robert Östling

Aspect-based sentiment analysis involves the recognition of so called opinion target expressions (OTEs). To automatically extract OTEs, supervised learning algorithms are usually employed which are trained on manually annotated corpora. The…

计算与语言 · 计算机科学 2019-04-22 Soufian Jebbara , Philipp Cimiano

Out-of-domain (OOD) intent detection aims to examine whether the user's query falls outside the predefined domain of the system, which is crucial for the proper functioning of task-oriented dialogue (TOD) systems. Previous methods address…

计算与语言 · 计算机科学 2024-03-05 Pei Wang , Keqing He , Yejie Wang , Xiaoshuai Song , Yutao Mou , Jingang Wang , Yunsen Xian , Xunliang Cai , Weiran Xu

Transferring information retrieval (IR) models from a high-resource language (typically English) to other languages in a zero-shot fashion has become a widely adopted approach. In this work, we show that the effectiveness of zero-shot…

计算与语言 · 计算机科学 2023-05-29 Robert Litschko , Ekaterina Artemova , Barbara Plank

A straightforward pipeline for zero-shot out-of-distribution (OOD) detection involves selecting potential OOD labels from an extensive semantic pool and then leveraging a pre-trained vision-language model to perform classification on both…

计算机视觉与模式识别 · 计算机科学 2024-10-14 Mengyuan Chen , Junyu Gao , Changsheng Xu

Two prevalent types of distributional shifts in machine learning are the covariate shift (as observed across different domains) and the semantic shift (as seen across different classes). Traditional OOD detection techniques typically…

人工智能 · 计算机科学 2023-09-20 Haoliang Wang , Chen Zhao , Yunhui Guo , Kai Jiang , Feng Chen

Detecting out-of-distribution (OOD) data is crucial in real-world machine learning applications, particularly in safety-critical domains. Existing methods often leverage language information from vision-language models (VLMs) to enhance OOD…

计算机视觉与模式识别 · 计算机科学 2025-01-22 Shu Zou , Xinyu Tian , Qinyu Zhao , Zhaoyuan Yang , Jing Zhang

Despite their success, large pre-trained multilingual models have not completely alleviated the need for labeled data, which is cumbersome to collect for all target languages. Zero-shot cross-lingual transfer is emerging as a practical…

计算与语言 · 计算机科学 2021-07-01 Iulia Turc , Kenton Lee , Jacob Eisenstein , Ming-Wei Chang , Kristina Toutanova

Recent work on multilingual neural machine translation reported competitive performance with respect to bilingual models and surprisingly good performance even on (zeroshot) translation directions not observed at training time. We…

计算与语言 · 计算机科学 2018-11-06 Surafel M. Lakew , Quintino F. Lotito , Matteo Negri , Marco Turchi , Marcello Federico

Zero-shot cross-lingual transfer is an important feature in modern NLP models and architectures to support low-resource languages. In this work, We study zero-shot cross-lingual transfer from English to French and German under Multi-Label…

计算与语言 · 计算机科学 2021-12-14 Zein Shaheen , Gerhard Wohlgenannt , Dmitry Mouromtsev

Recent advances in medical vision-language models (VLMs) demonstrate impressive performance in image classification tasks, driven by their strong zero-shot generalization capabilities. However, given the high variability and complexity…

计算机视觉与模式识别 · 计算机科学 2025-03-04 Lie Ju , Sijin Zhou , Yukun Zhou , Huimin Lu , Zhuoting Zhu , Pearse A. Keane , Zongyuan Ge

Most existing out-of-distribution (OOD) detection benchmarks classify samples with novel labels as the OOD data. However, some marginal OOD samples actually have close semantic contents to the in-distribution (ID) sample, which makes…

计算机视觉与模式识别 · 计算机科学 2024-11-01 Xingming Long , Jie Zhang , Shiguang Shan , Xilin Chen

Improving multilingual language models capabilities in low-resource languages is generally difficult due to the scarcity of large-scale data in those languages. In this paper, we relax the reliance on texts in low-resource languages by…

计算与语言 · 计算机科学 2024-02-06 Fajri Koto , Tilman Beck , Zeerak Talat , Iryna Gurevych , Timothy Baldwin

Reliable zero-shot detection of out-of-distribution (OOD) inputs is critical for deploying vision-language models in open-world settings. However, the lack of labeled negatives in zero-shot OOD detection necessitates proxy signals that…

计算机视觉与模式识别 · 计算机科学 2026-04-02 Hao Tang , Yu Liu , Shuanglin Yan , Fei Shen , Shengfeng He , Jing Qin

Deep models often fail to generalize well in test domains when the data distribution differs from that in the training domain. Among numerous approaches to address this Out-of-Distribution (OOD) generalization problem, there has been a…

机器学习 · 计算机科学 2022-10-14 Qixun Wang , Yifei Wang , Hong Zhu , Yisen Wang

Keyword extraction is the task of retrieving words that are essential to the content of a given document. Researchers proposed various approaches to tackle this problem. At the top-most level, approaches are divided into ones that require…

计算与语言 · 计算机科学 2022-02-15 Boshko Koloski , Senja Pollak , Blaž Škrlj , Matej Martinc

Out-Of-Distribution generalization (OOD) is all about learning invariance against environmental changes. If the context in every class is evenly distributed, OOD would be trivial because the context can be easily removed due to an…

计算机视觉与模式识别 · 计算机科学 2025-10-14 Jiaxin Qi , Kaihua Tang , Qianru Sun , Xian-Sheng Hua , Hanwang Zhang

Estimating the generalization performance is practically challenging on out-of-distribution (OOD) data without ground-truth labels. While previous methods emphasize the connection between distribution difference and OOD accuracy, we show…

机器学习 · 计算机科学 2023-10-24 Renchunzi Xie , Hongxin Wei , Lei Feng , Yuzhou Cao , Bo An