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

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Relation extraction (RE) is a core task in natural language processing. Traditional approaches typically frame RE as a supervised learning problem, directly mapping context to labels-an approach that often suffers from poor out-of-domain…

计算与语言 · 计算机科学 2025-08-07 Runpeng Dai , Tong Zheng , Run Yang , Kaixian Yu , Hongtu Zhu

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…

计算与语言 · 计算机科学 2019-02-26 Hongtao Lin , Jun Yan , Meng Qu , Xiang Ren

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

We hypothesize that explicit integration of contextual information into an Multi-task Learning framework would emphasize the significance of context for boosting performance in jointly learning Named Entity Recognition (NER) and Relation…

计算与语言 · 计算机科学 2021-02-23 Paul Barry , Sam Henry , Meliha Yetisgen , Bridget McInnes , Ozlem Uzuner

Joint entity and relation extraction (JERE) is one of the most important tasks in information extraction. However, most existing works focus on sentence-level coarse-grained JERE, which have limitations in real-world scenarios. In this…

计算与语言 · 计算机科学 2023-03-22 Hongbo Wang , Weimin Xiong , Yifan Song , Dawei Zhu , Yu Xia , Sujian Li

Distantly-supervised relation extraction (RE) is an effective method to scale RE to large corpora but suffers from noisy labels. Existing approaches try to alleviate noise through multi-instance learning and by providing additional…

计算与语言 · 计算机科学 2021-02-03 Despina Christou , Grigorios Tsoumakas

Document-level Relation Extraction (DocRE) is a more challenging task compared to its sentence-level counterpart. It aims to extract relations from multiple sentences at once. In this paper, we propose a semi-supervised framework for DocRE…

计算与语言 · 计算机科学 2022-03-22 Qingyu Tan , Ruidan He , Lidong Bing , Hwee Tou Ng

Relation extraction that is the task of predicting semantic relation type between entities in a sentence or document is an important task in natural language processing. Although there are many researches and datasets for English, Persian…

计算与语言 · 计算机科学 2022-03-30 Moein Salimi Sartakhti , Romina Etezadi , Mehrnoush Shamsfard

Few-Shot Relation Extraction (FSRE), a subtask of Relation Extraction (RE) that utilizes limited training instances, appeals to more researchers in Natural Language Processing (NLP) due to its capability to extract textual information in…

计算与语言 · 计算机科学 2024-07-15 Ye Liu , Kai Zhang , Aoran Gan , Linan Yue , Feng Hu , Qi Liu , Enhong Chen

Relation extraction (RE) aims to identify relations between entities mentioned in texts. Although large language models (LLMs) have demonstrated impressive in-context learning (ICL) abilities in various tasks, they still suffer from poor…

计算与语言 · 计算机科学 2024-04-30 Guozheng Li , Peng Wang , Wenjun Ke , Yikai Guo , Ke Ji , Ziyu Shang , Jiajun Liu , Zijie Xu

Automated Drug Combination Extraction (DCE) from large-scale biomedical literature is crucial for advancing precision medicine and pharmacological research. However, existing relation extraction methods primarily focus on binary…

计算与语言 · 计算机科学 2026-03-10 Zhijun Wang , Ling Luo , Dinghao Pan , Huan Zhuang , Lejing Yu , Yuanyuan Sun , Hongfei Lin

Distantly supervised (DS) relation extraction (RE) has attracted much attention in the past few years as it can utilize large-scale auto-labeled data. However, its evaluation has long been a problem: previous works either took costly and…

计算与语言 · 计算机科学 2021-05-21 Tianyu Gao , Xu Han , Keyue Qiu , Yuzhuo Bai , Zhiyu Xie , Yankai Lin , Zhiyuan Liu , Peng Li , Maosong Sun , Jie Zhou

Process-aware information systems offer extensive advantages to companies, facilitating planning, operations, and optimization of day-to-day business activities. However, the time-consuming but required step of designing formal business…

计算与语言 · 计算机科学 2024-04-09 Julian Neuberger , Lars Ackermann , Stefan Jablonski

Medical relation extraction discovers relations between entity mentions in text, such as research articles. For this task, dependency syntax has been recognized as a crucial source of features. Yet in the medical domain, 1-best parse trees…

计算与语言 · 计算机科学 2019-12-17 Linfeng Song , Yue Zhang , Daniel Gildea , Mo Yu , Zhiguo Wang , Jinsong Su

Current state-of-the-art relation extraction methods typically rely on a set of lexical, syntactic, and semantic features, explicitly computed in a pre-processing step. Training feature extraction models requires additional annotated…

计算与语言 · 计算机科学 2019-06-10 Christoph Alt , Marc Hübner , Leonhard Hennig

Relation extraction (RE) aims to extract the relations between entity names from the textual context. In principle, textual context determines the ground-truth relation and the RE models should be able to correctly identify the relations…

计算与语言 · 计算机科学 2024-05-08 Yiwei Wang , Bryan Hooi , Fei Wang , Yujun Cai , Yuxuan Liang , Wenxuan Zhou , Jing Tang , Manjuan Duan , Muhao Chen

Automatic relation extraction (RE) for types of interest is of great importance for interpreting massive text corpora in an efficient manner. Traditional RE models have heavily relied on human-annotated corpus for training, which can be…

计算与语言 · 计算机科学 2017-11-27 Zeqiu Wu , Xiang Ren , Frank F. Xu , Ji Li , Jiawei Han

Relation extraction (RE) models have been challenged by their reliance on training data with expensive annotations. Considering that summarization tasks aim at acquiring concise expressions of synoptical information from the longer context,…

计算与语言 · 计算机科学 2022-10-24 Keming Lu , I-Hung Hsu , Wenxuan Zhou , Mingyu Derek Ma , Muhao Chen

Cross-lingual biomedical entity linking (BEL) maps mentions in any language to unique identifiers in a biomedical knowledge base (KB), supporting clinical and biomedical NLP applications. However, expert-annotated training data for BEL are…

计算与语言 · 计算机科学 2026-05-28 Yi Wang , Corina Dima , Liangyu Zhong , Steffen Staab

Causal relation extraction (CRE) is central to biomedical text mining, but current resources often conflate causal relations with broader associations, restrict annotation to sentence-level examples, or focus mainly on explicit causal cues.…

计算与语言 · 计算机科学 2026-05-28 Ifeoluwa Kunle-John , Josiah Paul , Oluwatosin Agbaakin , Peter Aina , Ikenna Odezuligbo , Sydney Anuyah