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Document-level relation extraction (DocRE) aims to extract semantic relations among entity pairs in a document. Typical DocRE methods blindly take the full document as input, while a subset of the sentences in the document, noted as the…

Computation and Language · Computer Science 2022-03-08 Yiqing Xie , Jiaming Shen , Sha Li , Yuning Mao , Jiawei Han

Relation extraction is a key task in Natural Language Processing (NLP), which aims to extract relations between entity pairs from given texts. Recently, relation extraction (RE) has achieved remarkable progress with the development of deep…

Computation and Language · Computer Science 2022-04-12 Xinnian Liang , Shuangzhi Wu , Mu Li , Zhoujun Li

Recently, contrastive learning has achieved great results in self-supervised learning, where the main idea is to push two augmentations of an image (positive pairs) closer compared to other random images (negative pairs). We argue that not…

Computer Vision and Pattern Recognition · Computer Science 2021-09-13 Ajinkya Tejankar , Soroush Abbasi Koohpayegani , Vipin Pillai , Paolo Favaro , Hamed Pirsiavash

This paper explores how the Distantly Supervised Relation Extraction (DS-RE) can benefit from the use of a Universal Graph (UG), the combination of a Knowledge Graph (KG) and a large-scale text collection. A straightforward extension of a…

Computation and Language · Computer Science 2021-05-07 Qin Dai , Naoya Inoue , Ryo Takahashi , Kentaro Inui

Recently, contrastive self-supervised learning, where the proximity of representations is determined based on the identities of samples, has made remarkable progress in unsupervised representation learning. SimSiam is a well-known example…

Computer Vision and Pattern Recognition · Computer Science 2023-05-24 Kyoungmin Han , Minsik Lee

We present a new approach to extraction of hypernyms based on projection learning and word embeddings. In contrast to classification-based approaches, projection-based methods require no candidate hyponym-hypernym pairs. While it is natural…

Computation and Language · Computer Science 2018-05-21 Dmitry Ustalov , Nikolay Arefyev , Chris Biemann , Alexander Panchenko

Unsupervised learning has been popular in various computer vision tasks, including visual object tracking. However, prior unsupervised tracking approaches rely heavily on spatial supervision from template-search pairs and are still unable…

Computer Vision and Pattern Recognition · Computer Science 2022-04-05 Qiuhong Shen , Lei Qiao , Jinyang Guo , Peixia Li , Xin Li , Bo Li , Weitao Feng , Weihao Gan , Wei Wu , Wanli Ouyang

Self-supervised learning has become a popular way to pretrain a deep learning model and then transfer it to perform downstream tasks. However, most of these methods are developed on large-scale image datasets that contain natural objects…

Computer Vision and Pattern Recognition · Computer Science 2024-01-12 Kevin Van Vorst , Li Shen

Automated entity relation extraction (RE) from literature provides an important source for constructing biomedical database, which is more efficient and extensible than manual curation. However, existing RE models usually ignore the…

Computation and Language · Computer Science 2019-06-25 Lixiang Hong , JinJian Lin , Jiang Tao , Jianyang Zeng

Deep neural networks have gained tremendous success in a broad range of machine learning tasks due to its remarkable capability to learn semantic-rich features from high-dimensional data. However, they often require large-scale labelled…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Hu Wang , Guansong Pang , Chunhua Shen , Congbo Ma

Relation extraction (RE) is an indispensable information extraction task in several disciplines. RE models typically assume that named entity recognition (NER) is already performed in a previous step by another independent model. Several…

Computation and Language · Computer Science 2019-08-29 Tung Tran , Ramakanth Kavuluru

The popularity of machine learning has increased the risk of unfair models getting deployed in high-stake applications, such as justice system, drug/vaccination design, and medical diagnosis. Although there are effective methods to train…

Machine Learning · Computer Science 2022-07-14 Mohit Bajaj , Lingyang Chu , Vittorio Romaniello , Gursimran Singh , Jian Pei , Zirui Zhou , Lanjun Wang , Yong Zhang

Continual relation extraction (CRE) models aim at handling emerging new relations while avoiding catastrophically forgetting old ones in the streaming data. Though improvements have been shown by previous CRE studies, most of them only…

Computation and Language · Computer Science 2023-05-09 Heming Xia , Peiyi Wang , Tianyu Liu , Binghuai Lin , Yunbo Cao , Zhifang Sui

Neural relation extraction discovers semantic relations between entities from unstructured text using deep learning methods. In this study, we present a comprehensive review of methods on neural network based relation extraction. We discuss…

Computation and Language · Computer Science 2020-07-09 Mehmet Aydar , Ozge Bozal , Furkan Ozbay

We propose a framework to improve performance of distantly-supervised relation extraction, by jointly learning to solve two related tasks: concept-instance extraction and relation extraction. We combine this with a novel use of document…

Computation and Language · Computer Science 2016-08-12 Lidong Bing , Bhuwan Dhingra , Kathryn Mazaitis , Jong Hyuk Park , William W. Cohen

This work provides a unified framework for addressing the problem of visual supervised domain adaptation and generalization with deep models. The main idea is to exploit the Siamese architecture to learn an embedding subspace that is…

Computer Vision and Pattern Recognition · Computer Science 2017-10-02 Saeid Motiian , Marco Piccirilli , Donald A. Adjeroh , Gianfranco Doretto

A common classification task situation is where one has a large amount of data available for training, but only a small portion is annotated with class labels. The goal of semi-supervised training, in this context, is to improve…

Computer Vision and Pattern Recognition · Computer Science 2022-07-01 Zijian Hu , Zhengyu Yang , Xuefeng Hu , Ram Nevatia

Relation extraction (RE) aims to extract relations from sentences and documents. Existing relation extraction models typically rely on supervised machine learning. However, recent studies showed that many RE datasets are incompletely…

Computation and Language · Computer Science 2023-06-19 Qingyu Tan , Lu Xu , Lidong Bing , Hwee Tou Ng

Large language models (LLMs) demonstrate robust capabilities across diverse research domains. However, their performance in universal information extraction (UIE) remains insufficient, especially when tackling structured output scenarios…

Computation and Language · Computer Science 2025-09-12 Zhongqiu Li , Shiquan Wang , Ruiyu Fang , Mengjiao Bao , Zhenhe Wu , Shuangyong Song , Yongxiang Li , Zhongjiang He

Multilingual Word Embeddings (MWEs) represent words from multiple languages in a single distributional vector space. Unsupervised MWE (UMWE) methods acquire multilingual embeddings without cross-lingual supervision, which is a significant…

Computation and Language · Computer Science 2018-09-07 Xilun Chen , Claire Cardie