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Biomedical Named Entity Recognition (NER) is a challenging problem in biomedical information processing due to the widespread ambiguity of out of context terms and extensive lexical variations. Performance on bioNER benchmarks continues to…

Computation and Language · Computer Science 2019-08-19 Shreyas Sharma , Ron Daniel

Large language models (LLMs) have demonstrated dominating performance in many NLP tasks, especially on generative tasks. However, they often fall short in some information extraction tasks, particularly those requiring domain-specific…

Computation and Language · Computer Science 2023-09-22 Junyi Bian , Jiaxuan Zheng , Yuyi Zhang , Shanfeng Zhu

The Bidirectional Encoder Representations from Transformers (BERT) model has achieved the state-of-the-art performance for many natural language processing (NLP) tasks. Yet, limited research has been contributed to studying its…

Computation and Language · Computer Science 2021-09-23 Zimin Wan , Chenchen Xu , Hanna Suominen

NER has been traditionally formulated as a sequence labeling task. However, there has been recent trend in posing NER as a machine reading comprehension task (Wang et al., 2020; Mengge et al., 2020), where entity name (or other information)…

Machine Learning · Computer Science 2022-05-13 Anubhav Shrimal , Avi Jain , Kartik Mehta , Promod Yenigalla

With the fast development of Deep Learning techniques, Named Entity Recognition (NER) is becoming more and more important in the information extraction task. The greatest difficulty that the NER task faces is to keep the detectability even…

Computation and Language · Computer Science 2024-01-23 Xin Chen , Qi Zhao , Xinyang Liu

Training a neural network-based biomedical named entity recognition (BioNER) model usually requires extensive and costly human annotations. While several studies have employed multi-task learning with multiple BioNER datasets to reduce…

Computation and Language · Computer Science 2024-12-31 Yu Yin , Hyunjae Kim , Xiao Xiao , Chih Hsuan Wei , Jaewoo Kang , Zhiyong Lu , Hua Xu , Meng Fang , Qingyu Chen

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

This paper presents a framework for Named Entity Recognition (NER) leveraging the Bidirectional Encoder Representations from Transformers (BERT) model in natural language processing (NLP). NER is a fundamental task in NLP with broad…

Computation and Language · Computer Science 2025-05-06 Mo Sun , Siheng Xiong , Yuankai Cai , Bowen Zuo

Motivation: Biomedical named-entity normalization involves connecting biomedical entities with distinct database identifiers in order to facilitate data integration across various fields of biology. Existing systems for biomedical named…

Computation and Language · Computer Science 2023-10-24 Zainab Awan , Tim Kahlke , Peter Ralph , Paul Kennedy

Named entity recognition (NER) models are typically based on the architecture of Bi-directional LSTM (BiLSTM). The constraints of sequential nature and the modeling of single input prevent the full utilization of global information from…

Computation and Language · Computer Science 2019-11-20 Ying Luo , Fengshun Xiao , Hai Zhao

We present a simple approach to improve biomedical named entity recognition (NER) by injecting categorical labels and Part-of-speech (POS) information into the model. We use two approaches, in the first approach, we first train a…

Computation and Language · Computer Science 2023-11-07 Sumam Francis , Marie-Francine Moens

Named entity recognition (NER) is a fundamental task in natural language processing that involves identifying and classifying entities in sentences into pre-defined types. It plays a crucial role in various research fields, including entity…

Computation and Language · Computer Science 2024-04-29 Dongsheng Wang , Xiaoqin Feng , Zeming Liu , Chuan Wang

Supervised named entity recognition (NER) in the biomedical domain depends on large sets of annotated texts with the given named entities. The creation of such datasets can be time-consuming and expensive, while extraction of new entities…

Computation and Language · Computer Science 2024-08-27 Miloš Košprdić , Nikola Prodanović , Adela Ljajić , Bojana Bašaragin , Nikola Milošević

For named entity recognition (NER), bidirectional recurrent neural networks became the state-of-the-art technology in recent years. Competing approaches vary with respect to pre-trained word embeddings as well as models for character…

Computation and Language · Computer Science 2018-11-08 Gregor Wiedemann , Raghav Jindal , Chris Biemann

The use of BERT, one of the most popular language models, has led to improvements in many Natural Language Processing (NLP) tasks. One such task is Named Entity Recognition (NER) i.e. automatic identification of named entities such as…

Computation and Language · Computer Science 2023-03-10 Harshil Darji , Jelena Mitrović , Michael Granitzer

Named entity recognition (NER) is a fundamental component in many applications, such as Web Search and Voice Assistants. Although deep neural networks greatly improve the performance of NER, due to the requirement of large amounts of…

Computation and Language · Computer Science 2021-06-02 Shining Liang , Ming Gong , Jian Pei , Linjun Shou , Wanli Zuo , Xianglin Zuo , Daxin Jiang

We present a statistical model for German medical natural language processing trained for named entity recognition (NER) as an open, publicly available model. The work serves as a refined successor to our first GERNERMED model which is…

Computation and Language · Computer Science 2022-10-11 Johann Frei , Ludwig Frei-Stuber , Frank Kramer

Named entity disambiguation (NED), which involves mapping textual mentions to structured entities, is particularly challenging in the medical domain due to the presence of rare entities. Existing approaches are limited by the presence of…

Computation and Language · Computer Science 2021-10-18 Maya Varma , Laurel Orr , Sen Wu , Megan Leszczynski , Xiao Ling , Christopher Ré

Named Entity Recognition (NER) is a critical component of Natural Language Processing with diverse applications in information extraction and conversational AI. However, NER in specific domains for low-resource languages faces challenges…

Computational Engineering, Finance, and Science · Computer Science 2026-05-07 Do Minh Duc , Quan Xuan Truong , Viet Tran Hong , Le Hoang Anh , Mac Thi Minh Tra , Nguyen Van Thuy , Le Hai Ha , Vinh Nguyen Van

Named entity recognition (NER) is the very first step in the linguistic processing of any new domain. It is currently a common process in BioNLP on English clinical text. However, it is still in its infancy in other major languages, as it…

Computation and Language · Computer Science 2019-12-20 Fernando Sánchez León , Ana González Ledesma