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Self-supervised learning has proven to be an effective way to learn representations in domains where annotated labels are scarce, such as medical imaging. A widely adopted framework for this purpose is contrastive learning and it has been…

计算机视觉与模式识别 · 计算机科学 2024-02-23 Hugo Figueiras , Helena Aidos , Nuno Cruz Garcia

Relation extraction (RE) is a crucial task in natural language processing (NLP) that aims to identify and classify relationships between entities mentioned in text. In the financial domain, relation extraction plays a vital role in…

计算与语言 · 计算机科学 2023-07-24 Pawan Kumar Rajpoot , Ankur Parikh

Unsupervised cell type identification is crucial for uncovering and characterizing heterogeneous populations in single cell omics studies. Although a range of clustering methods have been developed, most focus exclusively on intrinsic…

人工智能 · 计算机科学 2025-12-12 Liang Peng , Haopeng Liu , Yixuan Ye , Cheng Liu , Wenjun Shen , Si Wu , Hau-San Wong

The journey of reducing noise from distant supervision (DS) generated training data has been started since the DS was first introduced into the relation extraction (RE) task. For the past decade, researchers apply the multi-instance…

计算与语言 · 计算机科学 2021-06-22 Tao Chen , Haizhou Shi , Siliang Tang , Zhigang Chen , Fei Wu , Yueting Zhuang

Document-level Relation Extraction (DocRE) is a more challenging task compared to its sentence-level counterpart. It aims to extract relations from multiple sentences at once. In this paper, we propose a semi-supervised framework for DocRE…

计算与语言 · 计算机科学 2022-03-22 Qingyu Tan , Ruidan He , Lidong Bing , Hwee Tou Ng

Self-supervised contrastive learning frameworks have progressed rapidly over the last few years. In this paper, we propose a novel loss function for contrastive learning. We model our pre-training task as a binary classification problem to…

计算机视觉与模式识别 · 计算机科学 2025-04-15 Siladittya Manna , Umapada Pal , Saumik Bhattacharya

Contrastive self-supervised learning has outperformed supervised pretraining on many downstream tasks like segmentation and object detection. However, current methods are still primarily applied to curated datasets like ImageNet. In this…

计算机视觉与模式识别 · 计算机科学 2021-12-15 Wouter Van Gansbeke , Simon Vandenhende , Stamatios Georgoulis , Luc Van Gool

Unsupervised relation extraction (URE) aims at discovering underlying relations between named entity pairs from open-domain plain text without prior information on relational distribution. Existing URE models utilizing contrastive learning,…

计算与语言 · 计算机科学 2023-10-03 Guangxin Zhang , Shu Chen

Learning representations of images that are invariant to sensitive or unwanted attributes is important for many tasks including bias removal and cross domain retrieval. Here, our objective is to learn representations that are invariant to…

计算机视觉与模式识别 · 计算机科学 2022-03-23 Jonathan Kahana , Yedid Hoshen

Relation extraction (RE) is a fundamental task in information extraction, whose extension to multilingual settings has been hindered by the lack of supervised resources comparable in size to large English datasets such as TACRED (Zhang et…

计算与语言 · 计算机科学 2023-05-16 Leonhard Hennig , Philippe Thomas , Sebastian Möller

Few-shot Continual Relation Extraction is a crucial challenge for enabling AI systems to identify and adapt to evolving relationships in dynamic real-world domains. Traditional memory-based approaches often overfit to limited samples,…

计算与语言 · 计算机科学 2025-03-03 Nguyen Xuan Thanh , Anh Duc Le , Quyen Tran , Thanh-Thien Le , Linh Ngo Van , Thien Huu Nguyen

In machine learning applications, gradual data ingress is common, especially in audio processing where incremental learning is vital for real-time analytics. Few-shot class-incremental learning addresses challenges arising from limited…

声音 · 计算机科学 2024-08-08 Riyansha Singh , Parinita Nema , Vinod K Kurmi

Recently, the usage of Contrastive Representation Learning (CRL) as a pre-training technique improves the performance of learning with noisy labels (LNL) methods. However, instead of pre-training, when trivially combining CRL loss with LNL…

计算机视觉与模式识别 · 计算机科学 2024-11-27 Xiaoyu Liu , Beitong Zhou , Zuogong Yue , Cheng Cheng

Relation prediction is a task designed for knowledge graph completion which aims to predict missing relationships between entities. Recent subgraph-based models for inductive relation prediction have received increasing attention, which can…

机器学习 · 计算机科学 2022-11-23 Jianfeng Wu , Sijie Mai , Haifeng Hu

Recently, representation learning with contrastive learning algorithms has been successfully applied to challenging unlabeled datasets. However, these methods are unable to distinguish important features from unimportant ones under simply…

计算机视觉与模式识别 · 计算机科学 2024-08-12 Toshiyuki Oshima , Kentaro Takagi , Kouta Nakata

The discriminability of feature representation is the key to open-set face recognition. Previous methods rely on the learnable weights of the classification layer that represent the identities. However, the evaluation process learns no…

计算机视觉与模式识别 · 计算机科学 2023-04-25 Youzhe Song , Feng Wang

A two-stage training paradigm consisting of sequential pre-training and meta-training stages has been widely used in current few-shot learning (FSL) research. Many of these methods use self-supervised learning and contrastive learning to…

计算机视觉与模式识别 · 计算机科学 2022-09-20 Zhanyuan Yang , Jinghua Wang , Yingying Zhu

Recent Visual Question Answering (VQA) models have shown impressive performance on the VQA benchmark but remain sensitive to small linguistic variations in input questions. Existing approaches address this by augmenting the dataset with…

计算机视觉与模式识别 · 计算机科学 2021-04-20 Yash Kant , Abhinav Moudgil , Dhruv Batra , Devi Parikh , Harsh Agrawal

Recent representation learning approaches enhance neural topic models by optimizing the weighted linear combination of the evidence lower bound (ELBO) of the log-likelihood and the contrastive learning objective that contrasts pairs of…

计算与语言 · 计算机科学 2025-07-15 Thong Nguyen , Xiaobao Wu , Xinshuai Dong , Cong-Duy T Nguyen , See-Kiong Ng , Anh Tuan Luu

Self-supervised representation learning is a critical problem in computer vision, as it provides a way to pretrain feature extractors on large unlabeled datasets that can be used as an initialization for more efficient and effective…

计算机视觉与模式识别 · 计算机科学 2020-12-25 Yunze Liu , Li Yi , Shanghang Zhang , Qingnan Fan , Thomas Funkhouser , Hao Dong
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