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Extracting entities and relations is an essential task of information extraction. Triplets extracted from a sentence might overlap with each other. Previous methods either did not address the overlapping issues or solved overlapping issues…

计算与语言 · 计算机科学 2023-04-07 Hao Zhang

Nested named entity recognition (nested NER) is a fundamental task in natural language processing. Various span-based methods have been proposed to detect nested entities with span representations. However, span-based methods do not…

计算与语言 · 计算机科学 2022-09-07 Shuhui Wu , Yongliang Shen , Zeqi Tan , Weiming Lu

Semi-supervised temporal action segmentation (SS-TA) aims to perform frame-wise classification in long untrimmed videos, where only a fraction of videos in the training set have labels. Recent studies have shown the potential of contrastive…

计算机视觉与模式识别 · 计算机科学 2024-07-22 Feixiang Zhou , Zheheng Jiang , Huiyu Zhou , Xuelong Li

State-of-the-art Named Entity Recognition(NER) models rely heavily on large amountsof fully annotated training data. However, ac-cessible data are often incompletely annotatedsince the annotators usually lack comprehen-sive knowledge in the…

计算与语言 · 计算机科学 2022-06-10 Hongtao Ruan , Liying Zheng , Peixian Hu

Cross-domain NER is a practical yet challenging problem since the data scarcity in the real-world scenario. A common practice is first to learn a NER model in a rich-resource general domain and then adapt the model to specific domains. Due…

计算与语言 · 计算机科学 2024-08-09 Junhao Zheng , Haibin Chen , Qianli Ma

In today's connected world, the generation of massive streaming data across diverse domains has become commonplace. In the presence of concept drift, class imbalance, label scarcity, and new class emergence, they jointly degrade…

机器学习 · 计算机科学 2026-02-11 Jin Li , Kleanthis Malialis , Marios Polycarpou

As a cross-topic of multi-view learning and multi-label classification, multi-view multi-label classification has gradually gained traction in recent years. The application of multi-view contrastive learning has further facilitated this…

计算机视觉与模式识别 · 计算机科学 2025-07-03 Chengliang Liu , Jie Wen , Yong Xu , Bob Zhang , Liqiang Nie , Min Zhang

Learning multi-label image recognition with incomplete annotation is gaining popularity due to its superior performance and significant labor savings when compared to training with fully labeled datasets. Existing literature mainly focuses…

计算机视觉与模式识别 · 计算机科学 2023-07-18 Cheng Chen , Yifan Zhao , Jia Li

Neural sequence labeling (NSL) aims at assigning labels for input language tokens, which covers a broad range of applications, such as named entity recognition (NER) and slot filling, etc. However, the satisfying results achieved by…

计算与语言 · 计算机科学 2023-02-20 Jianing Wang , Chengyu Wang , Jun Huang , Ming Gao , Aoying Zhou

Accurate Named Entity Recognition (NER) is crucial for various information retrieval tasks in industry. However, despite significant progress in traditional NER methods, the extraction of Complex Named Entities remains a relatively…

信息检索 · 计算机科学 2023-05-11 Hsiu-Wei Yang , Abhinav Agrawal

Scene Graph Generation (SGG) research has suffered from two fundamental challenges: the long-tailed predicate distribution and semantic ambiguity between predicates. These challenges lead to a bias towards head predicates in SGG models,…

计算机视觉与模式识别 · 计算机科学 2024-12-18 Kanghoon Yoon , Kibum Kim , Jaehyung Jeon , Yeonjun In , Donghyun Kim , Chanyoung Park

The success of current Entity Alignment (EA) task depends largely on the supervision information provided by labeled data. Considering the cost of labeled data, most supervised methods are difficult to apply in practical scenarios.…

人工智能 · 计算机科学 2025-06-10 Weishan Cai , Wenjun Ma , Yuncheng Jiang

Contrastive learning has been frequently investigated to learn effective representations for text clustering tasks. While existing contrastive learning-based text clustering methods only focus on modeling instance-wise semantic similarity…

计算与语言 · 计算机科学 2024-08-27 Qian Yong , Chen Chen , Xiabing Zhou

Named Entity Recognition (NER) is the task of identifying and classifying named entities in large-scale texts into predefined classes. NER in French and other relatively limited-resource languages cannot always benefit from approaches…

Contrastive learning is a promising approach to unsupervised learning, as it inherits the advantages of well-studied deep models without a dedicated and complex model design. In this paper, based on bidirectional encoder representations…

计算与语言 · 计算机科学 2021-09-20 Haoxiang Shi , Cen Wang

Recent approaches based on artificial neural networks (ANNs) have shown promising results for named-entity recognition (NER). In order to achieve high performances, ANNs need to be trained on a large labeled dataset. However, labels might…

计算与语言 · 计算机科学 2017-05-18 Ji Young Lee , Franck Dernoncourt , Peter Szolovits

The advancement of deep learning has greatly improved supervised image classification. However, labeling data is costly, prompting research into unsupervised learning methods such as contrastive learning. In real-world scenarios, fully…

人工智能 · 计算机科学 2026-01-09 Shogo Nakayama , Masahiro Okuda

Semi-supervised learning (SSL) provides a powerful framework for leveraging unlabeled data when labels are limited or expensive to obtain. SSL algorithms based on deep neural networks have recently proven successful on standard benchmark…

机器学习 · 计算机科学 2019-05-28 Jiaxing Wang , Yin Zheng , Xiaoshuang Chen , Junzhou Huang , Jian Cheng

This paper introduces a solid state-of-the-art baseline for a class-incremental semantic segmentation (CISS) problem. While the recent CISS algorithms utilize variants of the knowledge distillation (KD) technique to tackle the problem, they…

计算机视觉与模式识别 · 计算机科学 2021-11-23 Sungmin Cha , Beomyoung Kim , Youngjoon Yoo , Taesup Moon

In many real-world applications, face recognition models often degenerate when training data (referred to as source domain) are different from testing data (referred to as target domain). To alleviate this mismatch caused by some factors…

计算机视觉与模式识别 · 计算机科学 2023-05-24 Mei Wang , Weihong Deng
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