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

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Relational facts are an important component of human knowledge, which are hidden in vast amounts of text. In order to extract these facts from text, people have been working on relation extraction (RE) for years. From early pattern matching…

计算与语言 · 计算机科学 2020-10-01 Xu Han , Tianyu Gao , Yankai Lin , Hao Peng , Yaoliang Yang , Chaojun Xiao , Zhiyuan Liu , Peng Li , Maosong Sun , Jie Zhou

Relation extraction aims to identify the target relations of entities in texts. Relation extraction is very important for knowledge base construction and text understanding. Traditional binary relation extraction, including supervised,…

计算与语言 · 计算机科学 2020-12-10 Haiyun Jiang , Qiaoben Bao , Qiao Cheng , Deqing Yang , Li Wang , Yanghua Xiao

Manual annotation of the labeled data for relation extraction is time-consuming and labor-intensive. Semi-supervised methods can offer helping hands for this problem and have aroused great research interests. Existing work focuses on…

计算与语言 · 计算机科学 2020-10-23 Wanli Li , Tieyun Qian

Joint entity and relation extraction is an essential task in natural language processing and knowledge graph construction. Existing approaches usually decompose the joint extraction task into several basic modules or processing steps to…

计算与语言 · 计算机科学 2022-03-18 Yu-Ming Shang , Heyan Huang , Xian-Ling Mao

Financial sentiment analysis is a challenging task due to the specialized language and lack of labeled data in that domain. General-purpose models are not effective enough because of the specialized language used in a financial context. We…

计算与语言 · 计算机科学 2019-08-28 Dogu Araci

Relation Extraction (RE) remains a challenging task, especially when considering realistic out-of-domain evaluations. One of the main reasons for this is the limited training size of current RE datasets: obtaining high-quality (manually…

计算与语言 · 计算机科学 2023-05-19 Elisa Bassignana , Filip Ginter , Sampo Pyysalo , Rob van der Goot , Barbara Plank

Despite the importance of relation extraction in building and representing knowledge, less research is focused on generalizing to unseen relations types. We introduce the task setting of Zero-Shot Relation Triplet Extraction (ZeroRTE) to…

计算与语言 · 计算机科学 2022-03-18 Yew Ken Chia , Lidong Bing , Soujanya Poria , Luo Si

We present a novel unsupervised framework for focused meeting summarization that views the problem as an instance of relation extraction. We adapt an existing in-domain relation learner (Chen et al., 2011) by exploiting a set of…

计算与语言 · 计算机科学 2016-06-28 Lu Wang , Claire Cardie

Document-level relation extraction is a challenging task which requires reasoning over multiple sentences in order to predict relations in a document. In this paper, we pro-pose a joint training frameworkE2GRE(Entity and Evidence Guided…

计算与语言 · 计算机科学 2020-08-28 Kevin Huang , Guangtao Wang , Tengyu Ma , Jing Huang

Relational fact extraction aims to extract semantic triplets from unstructured text. In this work, we show that all of the relational fact extraction models can be organized according to a graph-oriented analytical perspective. An efficient…

计算与语言 · 计算机科学 2021-06-04 Fubang Zhao , Zhuoren Jiang , Yangyang Kang , Changlong Sun , Xiaozhong Liu

Distant Supervised Relation Extraction (DSRE) is usually formulated as a problem of classifying a bag of sentences that contain two query entities, into the predefined relation classes. Most existing methods consider those relation classes…

计算与语言 · 计算机科学 2019-12-16 Yanjie Gou , Yinjie Lei , Lingqiao Liu , Pingping Zhang , Xi Peng

Sentence-level relation extraction (RE) aims at identifying the relationship between two entities in a sentence. Many efforts have been devoted to this problem, while the best performing methods are still far from perfect. In this paper, we…

计算与语言 · 计算机科学 2022-09-23 Wenxuan Zhou , Muhao Chen

Document-level relation extraction requires integrating information within and across multiple sentences of a document and capturing complex interactions between inter-sentence entities. However, effective aggregation of relevant…

计算与语言 · 计算机科学 2020-07-29 Guoshun Nan , Zhijiang Guo , Ivan Sekulić , Wei Lu

Relation Extraction (RE) is a fundamental task in Natural Language Processing, and its document-level variant poses significant challenges, due to complex interactions between entities across sentences. While supervised models have achieved…

计算与语言 · 计算机科学 2025-10-08 Robin Armingaud , Romaric Besançon

Table filling based relational triple extraction methods are attracting growing research interests due to their promising performance and their abilities on extracting triples from complex sentences. However, this kind of methods are far…

计算与语言 · 计算机科学 2021-09-15 Feiliang Ren , Longhui Zhang , Shujuan Yin , Xiaofeng Zhao , Shilei Liu , Bochao Li , Yaduo Liu

Relation extraction is an important but challenging task that aims to extract all hidden relational facts from the text. With the development of deep language models, relation extraction methods have achieved good performance on various…

计算与语言 · 计算机科学 2022-08-17 Sheng Zhang , Patrick Ng , Zhiguo Wang , Bing Xiang

Fact triples are a common form of structured knowledge used within the biomedical domain. As the amount of unstructured scientific texts continues to grow, manual annotation of these texts for the task of relation extraction becomes…

计算与语言 · 计算机科学 2020-05-27 Saadullah Amin , Katherine Ann Dunfield , Anna Vechkaeva , Günter Neumann

A multitude of interconnected risk events -- ranging from regulatory changes to geopolitical tensions -- can trigger ripple effects across firms. Identifying inter-firm risk relations is thus crucial for applications like portfolio…

计算与语言 · 计算机科学 2025-12-01 Wei-Ning Chiu , Yu-Hsiang Wang , Andy Hsiao , Yu-Shiang Huang , Chuan-Ju Wang

Dependency trees help relation extraction models capture long-range relations between words. However, existing dependency-based models either neglect crucial information (e.g., negation) by pruning the dependency trees too aggressively, or…

计算与语言 · 计算机科学 2018-09-28 Yuhao Zhang , Peng Qi , Christopher D. Manning

Document-level Relation Extraction (DocRE), which aims to extract relations from a long context, is a critical challenge in achieving fine-grained structural comprehension and generating interpretable document representations. Inspired by…

计算与语言 · 计算机科学 2023-11-14 Junpeng Li , Zixia Jia , Zilong Zheng