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相关论文: BioREx: Improving Biomedical Relation Extraction b…

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Relation extraction (RE) is the task of extracting relations between entities in text. Most RE methods extract relations from free-form running text and leave out other rich data sources, such as tables. We explore RE from the perspective…

计算与语言 · 计算机科学 2023-07-13 Arif Shahriar , Rohan Saha , Denilson Barbosa

End-to-end relation extraction (E2ERE) is an important task in information extraction, more so for biomedicine as scientific literature continues to grow exponentially. E2ERE typically involves identifying entities (or named entity…

计算与语言 · 计算机科学 2023-04-05 Xuguang Ai , Ramakanth Kavuluru

Relation extraction is the task of identifying relation instance between two entities given a corpus whereas Knowledge base modeling is the task of representing a knowledge base, in terms of relations between entities. This paper proposes…

计算与语言 · 计算机科学 2020-11-20 Xiaoyu Chen , Rohan Badlani

Distant supervision (DS) has been widely used to generate auto-labeled data for sentence-level relation extraction (RE), which improves RE performance. However, the existing success of DS cannot be directly transferred to the more…

计算与语言 · 计算机科学 2020-11-10 Chaojun Xiao , Yuan Yao , Ruobing Xie , Xu Han , Zhiyuan Liu , Maosong Sun , Fen Lin , Leyu Lin

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…

计算与语言 · 计算机科学 2023-06-19 Qingyu Tan , Lu Xu , Lidong Bing , Hwee Tou Ng

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…

计算与语言 · 计算机科学 2019-06-25 Lixiang Hong , JinJian Lin , Jiang Tao , Jianyang Zeng

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…

计算与语言 · 计算机科学 2022-11-29 Liang Zhang , Jinsong Su , Yidong Chen , Zhongjian Miao , Zijun Min , Qingguo Hu , Xiaodong Shi

Document-level relation extraction (DocRE) is a task that focuses on identifying relations between entities within a document. However, existing DocRE models often overlook the correlation between relations and lack a quantitative analysis…

信息检索 · 计算机科学 2023-10-23 Yusheng Huang , Zhouhan Lin

Deep learning models have achieved state-of-the-art performances on many relation extraction datasets. A common element in these deep learning models involves the pooling mechanisms where a sequence of hidden vectors is aggregated to…

计算与语言 · 计算机科学 2019-11-05 Tuan Ngo Nguyen , Franck Dernoncourt , Thien Huu Nguyen

Relation Extraction (RE) from tables is the task of identifying relations between pairs of columns of a table. Generally, RE models for this task require labelled tables for training. These labelled tables can also be generated artificially…

计算与语言 · 计算机科学 2021-09-07 Gaurav Singh , Siffi Singh , Joshua Wong , Amir Saffari

Compared to the general news domain, information extraction (IE) from biomedical text requires much broader domain knowledge. However, many previous IE methods do not utilize any external knowledge during inference. Due to the exponential…

计算与语言 · 计算机科学 2021-06-02 Tuan Lai , Heng Ji , ChengXiang Zhai , Quan Hung Tran

Mining relationships between treatment(s) and medical problem(s) is vital in the biomedical domain. This helps in various applications, such as decision support system, safety surveillance, and new treatment discovery. We propose a deep…

机器学习 · 计算机科学 2018-07-02 Veera Raghavendra Chikka , Kamalakar Karlapalem

Relation Extraction (RE) is a task that identifies relationships between entities in a text, enabling the acquisition of relational facts and bridging the gap between natural language and structured knowledge. However, current RE models…

计算与语言 · 计算机科学 2023-06-21 Pere-Lluís Huguet Cabot , Simone Tedeschi , Axel-Cyrille Ngonga Ngomo , Roberto Navigli

Due to the exponential growth of biomedical literature, event and relation extraction are important tasks in biomedical text mining. Most work only focus on relation extraction, and detect a single entity pair mention on a short span of…

计算与语言 · 计算机科学 2020-05-08 Elaheh ShafieiBavani , Antonio Jimeno Yepes , Xu Zhong , David Martinez Iraola

Knowledge-based question answering relies on the availability of facts, the majority of which cannot be found in structured sources (e.g. Wikipedia info-boxes, Wikidata). One of the major components of extracting facts from unstructured…

计算与语言 · 计算机科学 2018-03-28 Christos Christodoulopoulos , Arpit Mittal

Relation extraction is used to populate knowledge bases that are important to many applications. Prior datasets used to train relation extraction models either suffer from noisy labels due to distant supervision, are limited to certain…

计算与语言 · 计算机科学 2021-02-22 Robert Ormandi , Mohammad Saleh , Erin Winter , Vinay Rao

Open relation extraction (OpenRE) is the task of extracting relation schemes from open-domain corpora. Most existing OpenRE methods either do not fully benefit from high-quality labeled corpora or can not learn semantic representation…

计算与语言 · 计算机科学 2022-06-02 Yutong Wang , Renze Lou , Kai Zhang , MaoYan Chen , Yujiu Yang

Document-level relation extraction (Doc-RE) aims to extract relations between entities across multiple sentences. Therefore, Doc-RE requires more comprehensive reasoning abilities like humans, involving complex cross-sentence interactions…

计算与语言 · 计算机科学 2025-08-05 Chengcheng Mai , Yuxiang Wang , Ziyu Gong , Hanxiang Wang , Yihua Huang

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…

计算与语言 · 计算机科学 2020-11-30 Jun Kuang , Yixin Cao , Jianbing Zheng , Xiangnan He , Ming Gao , Aoying Zhou

For Relation Extraction (RE), the manual annotation of training data may be prohibitively expensive, since the sentences that contain the target relations in texts can be very scarce and difficult to find. It is therefore beneficial to…

计算与语言 · 计算机科学 2025-09-11 Zexuan Li , Hongliang Dai , Piji Li