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Relation classification (RC) task is one of fundamental tasks of information extraction, aiming to detect the relation information between entity pairs in unstructured natural language text and generate structured data in the form of…

Computation and Language · Computer Science 2021-01-12 Yan Xiao , Yaochu Jin , Kuangrong Hao

Few-shot relation classification seeks to classify incoming query instances after meeting only few support instances. This ability is gained by training with large amount of in-domain annotated data. In this paper, we tackle an even harder…

Computation and Language · Computer Science 2020-12-15 Xiaoqing Geng , Xiwen Chen , Kenny Q. Zhu , Libin Shen , Yinggong Zhao

We present a conceptually simple, flexible, and general framework for few-shot learning, where a classifier must learn to recognise new classes given only few examples from each. Our method, called the Relation Network (RN), is trained…

Computer Vision and Pattern Recognition · Computer Science 2018-03-28 Flood Sung , Yongxin Yang , Li Zhang , Tao Xiang , Philip H. S. Torr , Timothy M. Hospedales

Traditional semantic segmentation requires a large labeled image dataset and can only be predicted within predefined classes. To solve this problem, few-shot segmentation, which requires only a handful of annotations for the new target…

Computer Vision and Pattern Recognition · Computer Science 2022-11-17 Atsuro Okazawa

Few-shot relation extraction aims to recognize novel relations with few labeled sentences in each relation. Previous metric-based few-shot relation extraction algorithms identify relationships by comparing the prototypes generated by the…

Computation and Language · Computer Science 2023-05-12 Zhongju Yuan , Zhenkun Wang , Genghui Li

We explore Few-Shot Learning (FSL) for Relation Classification (RC). Focusing on the realistic scenario of FSL, in which a test instance might not belong to any of the target categories (none-of-the-above, aka NOTA), we first revisit the…

Computation and Language · Computer Science 2021-04-20 Ofer Sabo , Yanai Elazar , Yoav Goldberg , Ido Dagan

Named Entity Recognition (NER) and Relation Classification (RC) are important steps in extracting information from unstructured text and formatting it into a machine-readable format. We present a survey of recent deep learning models that…

Computation and Language · Computer Science 2024-03-28 Sakher Khalil Alqaaidi , Elika Bozorgi , Afsaneh Shams , Krzysztof Kochut

We present a Few-Shot Relation Classification Dataset (FewRel), consisting of 70, 000 sentences on 100 relations derived from Wikipedia and annotated by crowdworkers. The relation of each sentence is first recognized by distant supervision…

Machine Learning · Computer Science 2018-10-30 Xu Han , Hao Zhu , Pengfei Yu , Ziyun Wang , Yuan Yao , Zhiyuan Liu , Maosong Sun

The key issue of few-shot learning is learning to generalize. This paper proposes a large margin principle to improve the generalization capacity of metric based methods for few-shot learning. To realize it, we develop a unified framework…

Machine Learning · Computer Science 2018-09-24 Yong Wang , Xiao-Ming Wu , Qimai Li , Jiatao Gu , Wangmeng Xiang , Lei Zhang , Victor O. K. Li

While deep learning has been successfully applied to many real-world computer vision tasks, training robust classifiers usually requires a large amount of well-labeled data. However, the annotation is often expensive and time-consuming.…

Computer Vision and Pattern Recognition · Computer Science 2020-09-09 Zhiyu Xue , Lixin Duan , Wen Li , Lin Chen , Jiebo Luo

Few-shot deep learning is a topical challenge area for scaling visual recognition to open ended growth of unseen new classes with limited labeled examples. A promising approach is based on metric learning, which trains a deep embedding to…

Computer Vision and Pattern Recognition · Computer Science 2020-04-29 Xueting Zhang , Yuting Qiang , Flood Sung , Yongxin Yang , Timothy M. Hospedales

The prototypical network (ProtoNet) is a few-shot learning framework that performs metric learning and classification using the distance to prototype representations of each class. It has attracted a great deal of attention recently since…

Machine Learning · Computer Science 2020-09-29 Kei Mukaiyama , Issei Sato , Masashi Sugiyama

Few-shot Continual Relations Extraction (FCRE) is an emerging and dynamic area of study where models can sequentially integrate knowledge from new relations with limited labeled data while circumventing catastrophic forgetting and…

Computation and Language · Computer Science 2024-10-02 Quyen Tran , Nguyen Xuan Thanh , Nguyen Hoang Anh , Nam Le Hai , Trung Le , Linh Van Ngo , Thien Huu Nguyen

How to identify semantic relations among entities in a document when only a few labeled documents are available? Few-shot document-level relation extraction (FSDLRE) is crucial for addressing the pervasive data scarcity problem in…

Computation and Language · Computer Science 2023-10-25 Shiao Meng , Xuming Hu , Aiwei Liu , Shu'ang Li , Fukun Ma , Yawen Yang , Lijie Wen

Aiming at expanding few-shot relations' coverage in knowledge graphs (KGs), few-shot knowledge graph completion (FKGC) has recently gained more research interests. Some existing models employ a few-shot relation's multi-hop neighbor…

Artificial Intelligence · Computer Science 2021-06-08 Guanglin Niu , Yang Li , Chengguang Tang , Ruiying Geng , Jian Dai , Qiao Liu , Hao Wang , Jian Sun , Fei Huang , Luo Si

Standard few-shot relation classification (RC) is designed to learn a robust classifier with only few labeled data for each class. However, previous works rarely investigate the effects of a different number of classes (i.e., $N$-way) and…

Machine Learning · Computer Science 2021-10-19 Hongru Wang , Zhijing Jin , Jiarun Cao , Gabriel Pui Cheong Fung , Kam-Fai Wong

Few-shot learning presents a challenge that a classifier must quickly adapt to new classes that do not appear in the training set, given only a few labeled examples of each new class. This paper proposes a position-aware relation network…

Computer Vision and Pattern Recognition · Computer Science 2019-09-11 Ziyang Wu , Yuwei Li , Lihua Guo , Kui Jia

This paper studies few-shot relation extraction, which aims at predicting the relation for a pair of entities in a sentence by training with a few labeled examples in each relation. To more effectively generalize to new relations, in this…

Machine Learning · Computer Science 2020-07-07 Meng Qu , Tianyu Gao , Louis-Pascal A. C. Xhonneux , Jian Tang

Recent years have witnessed increasing interest in few-shot knowledge graph completion (FKGC), which aims to infer unseen query triples for a few-shot relation using a few reference triples about the relation. The primary focus of existing…

Computation and Language · Computer Science 2022-09-28 Yuling Li , Kui Yu , Yuhong Zhang , Xindong Wu

Existing continual relation learning (CRL) methods rely on plenty of labeled training data for learning a new task, which can be hard to acquire in real scenario as getting large and representative labeled data is often expensive and…

Computation and Language · Computer Science 2022-03-07 Chengwei Qin , Shafiq Joty
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