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Related papers: Relation extraction from clinical texts using doma…

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Temporal information extraction from unstructured text is essential for contextualizing events and deriving actionable insights, particularly in the medical domain. We address the task of extracting clinical events and their temporal…

Computation and Language · Computer Science 2026-01-22 Rochana Chaturvedi , Peyman Baghershahi , Sourav Medya , Barbara Di Eugenio

Medical Relation Extraction (MRE) task aims to extract relations between entities in medical texts. Traditional relation extraction methods achieve impressive success by exploring the syntactic information, e.g., dependency tree. However,…

Computation and Language · Computer Science 2022-08-30 Yifan Jin , Jiangmeng Li , Zheng Lian , Chengbo Jiao , Xiaohui Hu

Relation Extraction is an important task in Information Extraction which deals with identifying semantic relations between entity mentions. Traditionally, relation extraction is carried out after entity extraction in a "pipeline" fashion,…

Computation and Language · Computer Science 2021-03-11 Sachin Pawar , Pushpak Bhattacharyya , Girish K. Palshikar

Relation extraction is a type of information extraction task that recognizes semantic relationships between entities in a sentence. Many previous studies have focused on extracting only one semantic relation between two entities in a single…

Computation and Language · Computer Science 2021-03-08 Seongsik Park , Harksoo Kim

Relation extraction is a crucial task in natural language processing, with broad applications in knowledge graph construction and literary analysis. However, the complex context and implicit expressions in novel texts pose significant…

Computation and Language · Computer Science 2025-07-08 Yuchen Yan , Hanjie Zhao , Senbin Zhu , Hongde Liu , Zhihong Zhang , Yuxiang Jia

Relation extraction is the task of identifying relation instance between two entities given a corpus whereas Knowledge base modeling is the task of representing a knowledge base, in terms of relations between entities. This paper proposes…

Computation and Language · Computer Science 2020-11-20 Xiaoyu Chen , Rohan Badlani

Chemical-disease relation (CDR) extraction is significantly important to various areas of biomedical research and health care. Nowadays, many large-scale biomedical knowledge bases (KBs) containing triples about entity pairs and their…

Computation and Language · Computer Science 2020-01-03 Huiwei Zhou , Shixian Ning , Yunlong Yang , Zhuang Liu , Chengkun Lang , Yingyu Lin

Syntactic features play an essential role in identifying relationship in a sentence. Previous neural network models often suffer from irrelevant information introduced when subjects and objects are in a long distance. In this paper, we…

Computation and Language · Computer Science 2015-06-26 Kun Xu , Yansong Feng , Songfang Huang , Dongyan Zhao

Electronic Health Records maintained in health care settings are a potential source of substantial clinical knowledge. The massive volume of data, unstructured nature of records and obligatory requirement of domain acquaintance together…

Information Retrieval · Computer Science 2015-10-13 Gargi Priyadarshini , Ashish Anand

Relation extraction is a key task in Natural Language Processing (NLP), which aims to extract relations between entity pairs from given texts. Recently, relation extraction (RE) has achieved remarkable progress with the development of deep…

Computation and Language · Computer Science 2022-04-12 Xinnian Liang , Shuangzhi Wu , Mu Li , Zhoujun Li

Many real world systems need to operate on heterogeneous information networks that consist of numerous interacting components of different types. Examples include systems that perform data analysis on biological information networks; social…

Artificial Intelligence · Computer Science 2017-07-26 Parisa Kordjamshidi , Sameer Singh , Daniel Khashabi , Christos Christodoulopoulos , Mark Summons , Saurabh Sinha , Dan Roth

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

Document-Level Biomedical Relation Extraction (Bio-RE) aims to identify relations between biomedical entities within extensive texts, serving as a crucial subfield of biomedical text mining. Existing Bio-RE methods struggle with…

Computation and Language · Computer Science 2025-01-10 Yufei Shang , Yanrong Guo , Shijie Hao , Richang Hong

Recently, with the advances made in continuous representation of words (word embeddings) and deep neural architectures, many research works are published in the area of relation extraction and it is very difficult to keep track of so many…

Computation and Language · Computer Science 2021-09-01 Tapas Nayak , Navonil Majumder , Pawan Goyal , Soujanya Poria

Existing methods in relation extraction have leveraged the lexical features in the word sequence and the syntactic features in the parse tree. Though effective, the lexical features extracted from the successive word sequence may introduce…

Computation and Language · Computer Science 2021-07-29 Mi Zhang , Tieyun Qian

Understanding the meaning of text often involves reasoning about entities and their relationships. This requires identifying textual mentions of entities, linking them to a canonical concept, and discerning their relationships. These tasks…

Computation and Language · Computer Science 2019-12-04 Trapit Bansal , Pat Verga , Neha Choudhary , Andrew McCallum

Distantly supervised relation extraction has been widely used to find novel relational facts from plain text. To predict the relation between a pair of two target entities, existing methods solely rely on those direct sentences containing…

Computation and Language · Computer Science 2017-09-15 Wenyuan Zeng , Yankai Lin , Zhiyuan Liu , Maosong Sun

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

Owing to the exponential rise in the electronic medical records, information extraction in this domain is becoming an important area of research in recent years. Relation extraction between the medical concepts such as medical problem,…

Computation and Language · Computer Science 2019-03-26 Dhanachandra Ningthoujam , Shweta Yadav , Pushpak Bhattacharyya , Asif Ekbal

The last decade has witnessed the success of the traditional feature-based method on exploiting the discrete structures such as words or lexical patterns to extract relations from text. Recently, convolutional and recurrent neural networks…

Computation and Language · Computer Science 2015-11-19 Thien Huu Nguyen , Ralph Grishman