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Relation Extraction (RE) is one of the fundamental tasks in Information Extraction and Natural Language Processing. Dependency trees have been shown to be a very useful source of information for this task. The current deep learning models…

计算与语言 · 计算机科学 2019-07-09 Amir Pouran Ben Veyseh , Thien Huu Nguyen , Dejing Dou

Relation extraction is a core problem for natural language processing in the biomedical domain. Recent research on relation extraction showed that prompt-based learning improves the performance on both fine-tuning on full training set and…

计算与语言 · 计算机科学 2022-04-25 Hui-Syuan Yeh , Thomas Lavergne , Pierre Zweigenbaum

The goal of dialogue relation extraction (DRE) is to identify the relation between two entities in a given dialogue. During conversations, speakers may expose their relations to certain entities by explicit or implicit clues, such evidences…

计算与语言 · 计算机科学 2022-07-26 Po-Wei Lin , Shang-Yu Su , Yun-Nung Chen

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

Relation Extraction (RE) is a vital step to complete Knowledge Graph (KG) by extracting entity relations from texts.However, it usually suffers from the long-tail issue. The training data mainly concentrates on a few types of relations,…

计算与语言 · 计算机科学 2020-11-30 Yixin Cao , Jun Kuang , Ming Gao , Aoying Zhou , Yonggang Wen , Tat-Seng Chua

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 has been widely studied to extract new relational facts from open corpus. Previous relation extraction methods are faced with the problem of wrong labels and noisy data, which substantially decrease the performance of…

信息检索 · 计算机科学 2018-05-01 Dongdong Yang , Senzhang Wang , Zhoujun Li

Relation extraction (RE) aims to identify semantic relationships between entities within text. Despite considerable advancements, existing models predominantly require extensive annotated training data, which is both costly and…

计算与语言 · 计算机科学 2024-10-28 Sizhe Zhou , Yu Meng , Bowen Jin , Jiawei Han

Event relation extraction (ERE) is a critical and fundamental challenge for natural language processing. Existing work mainly focuses on directly modeling the entire document, which cannot effectively handle long-range dependencies and…

计算与语言 · 计算机科学 2024-05-14 Yong Guan , Xiaozhi Wang , Lei Hou , Juanzi Li , Jeff Pan , Jiaoyan Chen , Freddy Lecue

Temporal relation extraction (TRE) aims to grasp the evolution of events or actions, and thus shape the workflow of associated tasks, so it holds promise in helping understand task requests initiated by requesters in crowdsourcing systems.…

计算与语言 · 计算机科学 2024-07-10 Jing Yang , Yu Zhao , Linyao Yang , Xiao Wang , Long Chen , Fei-Yue Wang

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

Domain-Specific Chinese Relation Extraction (DSCRE) aims to extract relations between entities from domain-specific Chinese text. Despite the rapid development of PLMs in recent years, especially LLMs, DSCRE still faces three core…

计算与语言 · 计算机科学 2024-04-30 Zhengpeng Shi , Haoran Luo

Real-world data, such as news articles, social media posts, and chatbot conversations, is inherently dynamic and non-stationary, presenting significant challenges for constructing real-time structured representations through knowledge…

计算与语言 · 计算机科学 2025-08-26 Sefika Efeoglu , Adrian Paschke , Sonja Schimmler

Sentence-level relation extraction aims to identify the relation between two entities for a given sentence. The existing works mostly focus on obtaining a better entity representation and adopting a multi-label classifier for relation…

计算与语言 · 计算机科学 2023-04-12 Jiewen Zheng , Ze Chen

Distantly Supervised Relation Extraction (DSRE) remains a long-standing challenge in NLP, where models must learn from noisy bag-level annotations while making sentence-level predictions. While existing state-of-the-art (SoTA) DSRE models…

计算与语言 · 计算机科学 2025-10-22 Vipul Rathore , Malik Hammad Faisal , Parag Singla , Mausam

Few-shot relation extraction (FSRE) is of great importance in long-tail distribution problem, especially in special domain with low-resource data. Most existing FSRE algorithms fail to accurately classify the relations merely based on the…

计算与语言 · 计算机科学 2021-06-07 Shan Yang , Yongfei Zhang , Guanglin Niu , Qinghua Zhao , Shiliang Pu

In this work, we present a Web-based annotation tool `Relation Triplets Extractor' \footnote{https://abera87.github.io/annotate/} (RTE) for annotating relation triplets from the text. Relation extraction is an important task for extracting…

计算与语言 · 计算机科学 2021-08-19 Ankan Mullick , Animesh Bera , Tapas Nayak

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

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

Named entity recognition (NER) and relation extraction (RE) are two important tasks in information extraction and retrieval (IE \& IR). Recent work has demonstrated that it is beneficial to learn these tasks jointly, which avoids the…

计算与语言 · 计算机科学 2020-01-01 John Giorgi , Xindi Wang , Nicola Sahar , Won Young Shin , Gary D. Bader , Bo Wang