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Unsupervised relation extraction (URE) aims to extract relations between named entities from raw text without requiring manual annotations or pre-existing knowledge bases. In recent studies of URE, researchers put a notable emphasis on…

Computation and Language · Computer Science 2023-12-04 Qing Wang , Kang Zhou , Qiao Qiao , Yuepei Li , Qi Li

Unsupervised relation extraction (URE) extracts relations between named entities from raw text without manually-labelled data and existing knowledge bases (KBs). URE methods can be categorised into generative and discriminative approaches,…

Computation and Language · Computer Science 2020-05-04 Thy Thy Tran , Phong Le , Sophia Ananiadou

Unsupervised relation extraction aims to extract the relationship between entities from natural language sentences without prior information on relational scope or distribution. Existing works either utilize self-supervised schemes to…

Computation and Language · Computer Science 2025-06-19 Shuliang Liu , Xuming Hu , Chenwei Zhang , Shu`ang Li , Lijie Wen , Philip S. Yu

This paper focuses on the problem of unsupervised relation extraction. Existing probabilistic generative model-based relation extraction methods work by extracting sentence features and using these features as inputs to train a generative…

Computation and Language · Computer Science 2020-09-29 Chenhan Yuan , Ryan Rossi , Andrew Katz , Hoda Eldardiry

Recent years have seen rapid development in Information Extraction, as well as its subtask, Relation Extraction. Relation Extraction is able to detect semantic relations between entities in sentences. Currently, many efficient approaches…

Computation and Language · Computer Science 2024-03-19 Zhuang Li

Relation Extraction (RE) is a pivotal task in automatically extracting structured information from unstructured text. In this paper, we present a multi-faceted approach that integrates representative examples and through co-set expansion.…

Computation and Language · Computer Science 2023-08-24 Yerong Li , Roxana Girju

Open relation extraction is the task of extracting open-domain relation facts from natural language sentences. Existing works either utilize heuristics or distant-supervised annotations to train a supervised classifier over pre-defined…

Computation and Language · Computer Science 2020-10-07 Xuming Hu , Chenwei Zhang , Yusong Xu , Lijie Wen , Philip S. Yu

Unsupervised Relation Extraction (RE) aims to identify relations between entities in text, without having access to labeled data during training. This setting is particularly relevant for domain specific RE where no annotated dataset is…

Computation and Language · Computer Science 2023-04-05 Pierre-Yves Genest , Pierre-Edouard Portier , Elöd Egyed-Zsigmond , Laurent-Walter Goix

Relation extraction (RE) plays an important role in extracting knowledge from unstructured text but requires a large amount of labeled corpus. To reduce the expensive annotation efforts, semisupervised learning aims to leverage both labeled…

Computation and Language · Computer Science 2021-03-16 Yusen Lin

Document-level relation extraction (RE) aims to identify relations between entities across multiple sentences. Most previous methods focused on document-level RE under full supervision. However, in real-world scenario, it is expensive and…

Computation and Language · Computer Science 2022-10-25 Ye Wang , Xinxin Liu , Wenxin Hu , Tao Zhang

Relation extraction (RE) aims at extracting the relation between two entities from the text corpora. It is a crucial task for Knowledge Graph (KG) construction. Most existing methods predict the relation between an entity pair by learning…

Computation and Language · Computer Science 2020-11-30 Jun Kuang , Yixin Cao , Jianbing Zheng , Xiangnan He , Ming Gao , Aoying Zhou

Document-level relation extraction (RE) aims to extract the relations between entities from the input document that usually containing many difficultly-predicted entity pairs whose relations can only be predicted through relational…

Computation and Language · Computer Science 2022-11-29 Liang Zhang , Jinsong Su , Yidong Chen , Zhongjian Miao , Zijun Min , Qingguo Hu , Xiaodong Shi

In zero-resource settings where transcribed speech audio is unavailable, unsupervised feature learning is essential for downstream speech processing tasks. Here we compare two recent methods for frame-level acoustic feature learning. For…

Computation and Language · Computer Science 2020-03-31 Petri-Johan Last , Herman A. Engelbrecht , Herman Kamper

Unsupervised learning has grown in popularity because of the difficulty of collecting annotated data and the development of modern frameworks that allow us to learn from unlabeled data. Existing studies, however, either disregard variations…

Computer Vision and Pattern Recognition · Computer Science 2023-05-25 Yi-Zhan Xu , Chih-Yao Chen , Cheng-Te Li

Relation extraction is an important task in structuring content of text data, and becomes especially challenging when learning with weak supervision---where only a limited number of labeled sentences are given and a large number of…

Computation and Language · Computer Science 2019-02-26 Hongtao Lin , Jun Yan , Meng Qu , Xiang Ren

Achieving state-of-the-art results in face verification systems typically hinges on the availability of labeled face training data, a resource that often proves challenging to acquire in substantial quantities. In this research endeavor, we…

Computer Vision and Pattern Recognition · Computer Science 2024-02-12 Enoch Solomon , Abraham Woubie , Eyael Solomon Emiru

Entity and relation extraction is a key task in information extraction, where the output can be used for downstream NLP tasks. Existing approaches for entity and relation extraction tasks mainly focus on the English corpora and ignore other…

Computation and Language · Computer Science 2023-01-12 Zixiang Wang , Jian Yang , Tongliang Li , Jiaheng Liu , Ying Mo , Jiaqi Bai , Longtao He , Zhoujun Li

The goal of unsupervised representation learning is to extract a new representation of data, such that solving many different tasks becomes easier. Existing methods typically focus on vectorized data and offer little support for relational…

Machine Learning · Statistics 2017-09-29 Sebastijan Dumancic , Hendrik Blockeel

The goal of document-level relation extraction (RE) is to identify relations between entities that span multiple sentences. Recently, incomplete labeling in document-level RE has received increasing attention, and some studies have used…

Computation and Language · Computer Science 2024-01-26 Ye Wang , Huazheng Pan , Tao Zhang , Wen Wu , Wenxin Hu

Continual relation extraction (CRE) aims to continuously train a model on data with new relations while avoiding forgetting old ones. Some previous work has proved that storing a few typical samples of old relations and replaying them when…

Computation and Language · Computer Science 2022-05-24 Kang Zhao , Hua Xu , Jiangong Yang , Kai Gao
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