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Related papers: MedCAT -- Medical Concept Annotation Tool

200 papers

Biomedical Named Entity Recognition (NER) is a fundamental task of Biomedical Natural Language Processing for extracting relevant information from biomedical texts, such as clinical records, scientific publications, and electronic health…

Computation and Language · Computer Science 2023-12-27 Fahime Shahrokh , Nasser Ghadiri , Rasoul Samani , Milad Moradi

Electronic Health Records (EHR) store clinical documentation as base64 encoded attachments in FHIR DocumentReference resources, which makes semantic question answering difficult. Traditional vector database methods often miss nuanced…

Computation and Language · Computer Science 2025-10-31 Tarun Kumar Chawdhury , Jon D. Duke

The processing of entities in natural language is essential to many medical NLP systems. Unfortunately, existing datasets vastly under-represent the entities required to model public health relevant texts such as health advice often found…

Computation and Language · Computer Science 2022-10-10 Joseph Gatto , Parker Seegmiller , Garrett Johnston , Sarah M. Preum

Clinical text is rich in information, with mentions of treatment, medication and anatomy among many other clinical terms. Multiple terms can refer to the same core concepts which can be referred as a clinical entity. Ontologies like the…

Computation and Language · Computer Science 2024-05-28 Akshit Achara , Sanand Sasidharan , Gagan N

Named Entity Recognition (NER) or the extraction of concepts from clinical text is the task of identifying entities in text and slotting them into categories such as problems, treatments, tests, clinical departments, occurrences (such as…

Computation and Language · Computer Science 2022-08-31 Namrata Nath , Sang-Heon Lee , Ivan Lee

The extraction of relevant data from Electronic Health Records (EHRs) is crucial to identifying symptoms and automating epidemiological surveillance processes. By harnessing the vast amount of unstructured text in EHRs, we can detect…

Computation and Language · Computer Science 2025-02-10 Juliano Genari , Guilherme Tegoni Goedert

Learning electronic health records (EHRs) has received emerging attention because of its capability to facilitate accurate medical diagnosis. Since the EHRs contain enriched information specifying complex interactions between entities,…

Machine Learning · Computer Science 2024-08-15 Tsai Hor Chan , Guosheng Yin , Kyongtae Bae , Lequan Yu

Motivation: Named Entity Recognition (NER) is a key task to support biomedical research. In Biomedical Named Entity Recognition (BioNER), obtaining high-quality expert annotated data is laborious and expensive, leading to the development of…

Computation and Language · Computer Science 2023-05-23 Liangping Ding , Giovanni Colavizza , Zhixiong Zhang

Entity linking is the task of linking mentions of named entities in natural language text, to entities in a curated knowledge-base. This is of significant importance in the biomedical domain, where it could be used to semantically annotate…

Computation and Language · Computer Science 2020-01-22 Ming Zhu , Busra Celikkaya , Parminder Bhatia , Chandan K. Reddy

Medical entity span extraction and linking are critical steps for many healthcare NLP tasks. Most existing entity extraction methods either have a fixed vocabulary of medical entities or require span annotations. In this paper, we propose a…

Computation and Language · Computer Science 2022-11-22 Raymond Li , Ilya Valmianski , Li Deng , Xavier Amatriain , Anitha Kannan

Multimodal Large Language Models (MLLMs) have shown transformative potential in medical applications, yet their performance is hindered by conventional data curation strategies that rely on coarse-grained partitioning by modality or…

Computation and Language · Computer Science 2026-04-29 Jianghang Lin , Haihua Yang , Deli Yu , Kai Wu , Kai Ye , Jinghao Lin , Zihan Wang , Yuhang Wu , Liujuan Cao

Electronic Health Records (EHRs) are integral for storing comprehensive patient medical records, combining structured data (e.g., medications) with detailed clinical notes (e.g., physician notes). These elements are essential for…

Computation and Language · Computer Science 2024-12-31 Yeonsu Kwon , Jiho Kim , Gyubok Lee , Seongsu Bae , Daeun Kyung , Wonchul Cha , Tom Pollard , Alistair Johnson , Edward Choi

Biomedical named entity recognition (NER) presents unique challenges due to specialized vocabularies, the sheer volume of entities, and the continuous emergence of novel entities. Traditional NER models, constrained by fixed taxonomies and…

Computation and Language · Computer Science 2025-05-22 Anthony Yazdani , Ihor Stepanov , Douglas Teodoro

Clinical notes containing valuable patient information are written by different health care providers with various scientific levels and writing styles. It might be helpful for clinicians and researchers to understand what information is…

Computation and Language · Computer Science 2023-03-17 Hoda Memarzadeh , Nasser Ghadiri , Matthias Samwald , Maryam Lotfi Shahreza

Medical concept extraction from electronic health records underpins many downstream applications, yet remains challenging because medically meaningful concepts are frequently implied rather than explicitly stated in medical narratives.…

Computation and Language · Computer Science 2026-05-21 Zhichao Yang , Gregory D. Lyng , Sanjit Singh Batra , Robert E. Tillman

Electronic Health Records (EHRs) are pivotal in clinical practices, yet their retrieval remains a challenge mainly due to semantic gap issues. Recent advancements in dense retrieval offer promising solutions but existing models, both…

Information Retrieval · Computer Science 2025-07-25 Zhengyun Zhao , Huaiyuan Ying , Yue Zhong , Sheng Yu

The unstructured nature of clinical notes within electronic health records often conceals vital patient-related information, making it challenging to access or interpret. To uncover this hidden information, specialized Natural Language…

In electronic health record (EHR) mining, learning high-quality representations of medical concepts (e.g., standardized diagnosis, medication, and procedure codes) is fundamental for downstream clinical prediction. However, ro bust concept…

Machine Learning · Computer Science 2026-05-05 Mohsen Nayebi Kerdabadi , Arya Hadizadeh Moghaddam , Chen Chen , Dongjie Wang , Zijun Yao

Electronic health record (EHR) systems present clinicians with vast repositories of clinical information, creating a significant cognitive burden where critical details are easily overlooked. While Large Language Models (LLMs) offer…

Computation and Language · Computer Science 2026-03-17 Samuel Thio , Matthew Lewis , Spiros Denaxas , Richard JB Dobson

Entity recognition is a critical first step to a number of clinical NLP applications, such as entity linking and relation extraction. We present the first attempt to apply state-of-the-art entity recognition approaches on a newly released…

Computation and Language · Computer Science 2019-10-04 Kathleen C. Fraser , Isar Nejadgholi , Berry De Bruijn , Muqun Li , Astha LaPlante , Khaldoun Zine El Abidine