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相关论文: FinRED: A Dataset for Relation Extraction in Finan…

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In recent years, distantly-supervised relation extraction has achieved a certain success by using deep neural networks. Distant Supervision (DS) can automatically generate large-scale annotated data by aligning entity pairs from Knowledge…

计算与语言 · 计算机科学 2020-11-02 Tong Zhu , Haitao Wang , Junjie Yu , Xiabing Zhou , Wenliang Chen , Wei Zhang , Min Zhang

Information Extraction (IE) is crucial for converting unstructured data into structured formats like Knowledge Graphs (KGs). A key task within IE is Relation Extraction (RE), which identifies relationships between entities in text. Various…

计算与语言 · 计算机科学 2024-06-25 Sefika Efeoglu , Adrian Paschke

Joint entity and relation extraction has been a core task in the field of information extraction. Recent approaches usually consider the extraction of relational triples from a stereoscopic perspective, either learning a relation-specific…

计算与语言 · 计算机科学 2022-11-04 Zeqi Tan , Yongliang Shen , Xuming Hu , Wenqi Zhang , Xiaoxia Cheng , Weiming Lu , Yueting Zhuang

Joint named entity recognition (NER) and relation extraction (RE) is a fundamental task in natural language processing for constructing knowledge graphs from unstructured text. While recent approaches treat NER and RE as separate tasks…

计算与语言 · 计算机科学 2026-05-12 Ihor Stepanov , Oleksandr Lukashov , Mykhailo Shtopko , Vivek Kalyanarangan

Relation extraction is the task of extracting semantic relations between entities in a sentence. It is an essential part of some natural language processing tasks such as information extraction, knowledge extraction, and knowledge base…

计算与语言 · 计算机科学 2020-05-15 Majid Asgari-Bidhendi , Mehrdad Nasser , Behrooz Janfada , Behrouz Minaei-Bidgoli

The sharing of microdata, such as fund holdings and derivative instruments, by regulatory institutions presents a unique challenge due to strict data confidentiality and privacy regulations. These challenges often hinder the ability of both…

机器学习 · 计算机科学 2023-09-06 Timur Sattarov , Marco Schreyer , Damian Borth

We explore methods to extract relations between named entities from free text in an unsupervised setting. In addition to standard feature extraction, we develop a novel method to re-weight word embeddings. We alleviate the problem of…

计算与语言 · 计算机科学 2018-01-23 Hady Elsahar , Elena Demidova , Simon Gottschalk , Christophe Gravier , Frederique Laforest

Biological relation networks contain rich information for understanding the biological mechanisms behind the relationship of entities such as genes, proteins, diseases, and chemicals. The vast growth of biomedical literature poses…

计算与语言 · 计算机科学 2025-01-27 Po-Ting Lai , Chih-Hsuan Wei , Shubo Tian , Robert Leaman , Zhiyong Lu

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…

计算与语言 · 计算机科学 2020-10-07 Xuming Hu , Chenwei Zhang , Yusong Xu , Lijie Wen , Philip S. Yu

Recently, numerous efforts have continued to push up performance boundaries of document-level relation extraction (DocRE) and have claimed significant progress in DocRE. In this paper, we do not aim at proposing a novel model for DocRE.…

计算与语言 · 计算机科学 2023-06-16 Jing Li , Yequan Wang , Shuai Zhang , Min Zhang

Over the years, there has been a paradigm shift in how users access financial services. With the advancement of digitalization more users have been preferring the online mode of performing financial activities. This has led to the…

计算与语言 · 计算机科学 2023-08-15 Sohom Ghosh , Ankush Chopra , Sudip Kumar Naskar

Accurately forecasting stock price movements is critical for informed financial decision-making, supporting applications ranging from algorithmic trading to risk management. However, this task remains challenging due to the difficulty of…

Zero-shot relation extraction aims to identify relations between entity mentions using textual descriptions of novel types (i.e., previously unseen) instead of labeled training examples. Previous works often rely on unrealistic assumptions:…

计算与语言 · 计算机科学 2026-03-05 Hugo Thomas , Caio Corro , Guillaume Gravier , Pascale Sébillot

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…

计算与语言 · 计算机科学 2021-03-16 Yusen Lin

Open Relation Extraction (OpenRE) aims to discover novel relations from open domains. Previous OpenRE methods mainly suffer from two problems: (1) Insufficient capacity to discriminate between known and novel relations. When extending…

计算与语言 · 计算机科学 2023-03-15 Yangning Li , Yinghui Li , Xi Chen , Hai-Tao Zheng , Ying Shen , Hong-Gee Kim

Relation extraction (RE) is a sub-discipline of information extraction (IE) which focuses on the prediction of a relational predicate from a natural-language input unit (such as a sentence, a clause, or even a short paragraph consisting of…

计算与语言 · 计算机科学 2022-12-20 Alessandro Temperoni , Maria Biryukov , Martin Theobald

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…

计算与语言 · 计算机科学 2019-08-29 Tung Tran , Ramakanth Kavuluru

Distant supervision makes it possible to automatically label bags of sentences for relation extraction by leveraging knowledge bases, but suffers from the sparse and noisy bag issues. Additional information sources are urgently needed to…

计算与语言 · 计算机科学 2020-12-18 Zhendong Chu , Haiyun Jiang , Yanghua Xiao , Wei Wang

Tagging based relational triple extraction methods are attracting growing research attention recently. However, most of these methods take a unidirectional extraction framework that first extracts all subjects and then extracts objects and…

计算与语言 · 计算机科学 2022-01-06 Feiliang Ren , Longhui Zhang , Xiaofeng Zhao , Shujuan Yin , Shilei Liu , Bochao Li

Developing dialogue relation extraction (DRE) systems often requires a large amount of labeled data, which can be costly and time-consuming to annotate. In order to improve scalability and support diverse, unseen relation extraction, this…

计算与语言 · 计算机科学 2023-06-13 Ze-Song Xu , Yun-Nung Chen