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Document-level relation extraction aims to extract relations among multiple entity pairs from a document. Previously proposed graph-based or transformer-based models utilize the entities independently, regardless of global information among…

Computation and Language · Computer Science 2023-01-27 Ningyu Zhang , Xiang Chen , Xin Xie , Shumin Deng , Chuanqi Tan , Mosha Chen , Fei Huang , Luo Si , Huajun Chen

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…

Machine Learning · Computer Science 2018-07-02 Veera Raghavendra Chikka , Kamalakar Karlapalem

Given comparative text, comparative relation extraction aims to extract two targets (\eg two cameras) in comparison and the aspect they are compared for (\eg image quality). The extracted comparative relations form the basis of further…

Computation and Language · Computer Science 2024-06-28 Yequan Wang , Hengran Zhang , Aixin Sun , Xuying Meng

Document-level relation extraction (DocRE) aims to identify semantic labels among entities within a single document. One major challenge of DocRE is to dig decisive details regarding a specific entity pair from long text. However, in many…

Computation and Language · Computer Science 2023-02-14 Zhichao Duan , Xiuxing Li , Zhenyu Li , Zhuo Wang , Jianyong Wang

Connections between relations in relation extraction, which we call class ties, are common. In distantly supervised scenario, one entity tuple may have multiple relation facts. Exploiting class ties between relations of one entity tuple…

Artificial Intelligence · Computer Science 2017-08-08 Hai Ye , Wenhan Chao , Zhunchen Luo , Zhoujun Li

Distant supervised relation extraction is an efficient approach to scale relation extraction to very large corpora, and has been widely used to find novel relational facts from plain text. Recent studies on neural relation extraction have…

Computation and Language · Computer Science 2018-01-12 Zhengqiu He , Wenliang Chen , Zhenghua Li , Meishan Zhang , Wei Zhang , Min Zhang

Recent literature focuses on utilizing the entity information in the sentence-level relation extraction (RE), but this risks leaking superficial and spurious clues of relations. As a result, RE still suffers from unintended entity bias,…

Computation and Language · Computer Science 2022-05-10 Yiwei Wang , Muhao Chen , Wenxuan Zhou , Yujun Cai , Yuxuan Liang , Dayiheng Liu , Baosong Yang , Juncheng Liu , Bryan Hooi

Most existing methods determine relation types only after all the entities have been recognized, thus the interaction between relation types and entity mentions is not fully modeled. This paper presents a novel paradigm to deal with…

Computation and Language · Computer Science 2018-11-12 Ryuichi Takanobu , Tianyang Zhang , Jiexi Liu , Minlie Huang

The main purpose of relation extraction is to extract the semantic relationships between tagged pairs of entities in a sentence, which plays an important role in the semantic understanding of sentences and the construction of knowledge…

Computation and Language · Computer Science 2023-03-21 Chenghong Sun , Weidong Ji , Guohui Zhou , Hui Guo , Zengxiang Yin , Yuqi Yue

The clustering-based unsupervised relation discovery method has gradually become one of the important methods of open relation extraction (OpenRE). However, high-dimensional vectors can encode complex linguistic information which leads to…

Computation and Language · Computer Science 2021-09-16 Jun Zhao , Tao Gui , Qi Zhang , Yaqian Zhou

Relation extraction (RE) has achieved remarkable progress with the help of pre-trained language models. However, existing RE models are usually incapable of handling two situations: implicit expressions and long-tail relation classes,…

Computation and Language · Computer Science 2023-10-30 Pawan Kumar Rajpoot , Ankur Parikh

Relation extraction is a critical task in the field of natural language processing with numerous real-world applications. Existing research primarily focuses on monolingual relation extraction or cross-lingual enhancement for relation…

Artificial Intelligence · Computer Science 2024-03-26 Lingxing Kong , Yougang Chu , Zheng Ma , Jianbing Zhang , Liang He , Jiajun Chen

Relation extraction is a Natural Language Processing task that aims to extract relationships from textual data. It is a critical step for information extraction. Due to its wide-scale applicability, research in relation extraction has…

Computation and Language · Computer Science 2024-11-27 Anushka Swarup , Avanti Bhandarkar , Olivia P. Dizon-Paradis , Ronald Wilson , Damon L. Woodard

Relation extraction between drugs plays a crucial role in identifying drug drug interactions and predicting side effects. The advancement of machine learning methods in relation extraction, along with the development of large medical text…

Computation and Language · Computer Science 2025-10-28 Ali Fata , Hossein Rahmani , Parinaz Soltanzadeh , Amirhossein Derakhshan , Behrouz Minaei Bidgoli

Relation extraction is a fundamental task in information extraction. Most existing methods have heavy reliance on annotations labeled by human experts, which are costly and time-consuming. To overcome this drawback, we propose a novel…

Computation and Language · Computer Science 2017-08-03 Liyuan Liu , Xiang Ren , Qi Zhu , Shi Zhi , Huan Gui , Heng Ji , Jiawei Han

In this demo paper, we present a text simplification approach that is directed at improving the performance of state-of-the-art Open Relation Extraction (RE) systems. As syntactically complex sentences often pose a challenge for current…

Computation and Language · Computer Science 2017-03-28 Christina Niklaus , Bernhard Bermeitinger , Siegfried Handschuh , André Freitas

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:…

Computation and Language · Computer Science 2026-03-05 Hugo Thomas , Caio Corro , Guillaume Gravier , Pascale Sébillot

Relation extraction (RE) has been extensively studied due to its importance in real-world applications such as knowledge base construction and question answering. Most of the existing works train the models on either distantly supervised…

Computation and Language · Computer Science 2020-11-25 Woohwan Jung , Kyuseok Shim

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…

Computation and Language · Computer Science 2021-08-19 Ankan Mullick , Animesh Bera , Tapas Nayak

The identification of semantic relations between terms within texts is a fundamental task in Natural Language Processing which can support applications requiring a lightweight semantic interpretation model. Currently, semantic relation…

Computation and Language · Computer Science 2018-06-21 Vivian S. Silva , Manuela Hürliman , Brian Davis , Siegfried Handschuh , André Freitas