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Named entity recognition (NER) identifies typed entity mentions in raw text. While the task is well-established, there is no universally used tagset: often, datasets are annotated for use in downstream applications and accordingly only…

Computation and Language · Computer Science 2019-10-08 Xiao Huang , Li Dong , Elizabeth Boschee , Nanyun Peng

Named Entity Disambiaguation (NED) is a central task for applications dealing with natural language text. Assume that we have a graph based knowledge base (subsequently referred as Knowledge Graph) where nodes represent various real world…

Computation and Language · Computer Science 2014-07-15 Sutanay Choudhury , Chase Dowling

So far, named entity recognition (NER) has been involved with three major types, including flat, overlapped (aka. nested), and discontinuous NER, which have mostly been studied individually. Recently, a growing interest has been built for…

Computation and Language · Computer Science 2021-12-21 Jingye Li , Hao Fei , Jiang Liu , Shengqiong Wu , Meishan Zhang , Chong Teng , Donghong Ji , Fei Li

External knowledge,e.g., entities and entity descriptions, can help humans understand texts. Many works have been explored to include external knowledge in the pre-trained models. These methods, generally, design pre-training tasks and…

Computation and Language · Computer Science 2022-08-19 Qinghua Zhao , Shuai Ma , Yuxuan Lei

Neural networks (NNs) have become the state of the art in many machine learning applications, especially in image and sound processing [1]. The same, although to a lesser extent [2,3], could be said in natural language processing (NLP)…

Computation and Language · Computer Science 2019-07-30 Luka Gligic , Andrey Kormilitzin , Paul Goldberg , Alejo Nevado-Holgado

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

Named entity linking is to map an ambiguous mention in documents to an entity in a knowledge base. The named entity linking is challenging, given the fact that there are multiple candidate entities for a mention in a document. It is…

Computation and Language · Computer Science 2020-02-13 Wei Shi , Siyuan Zhang , Zhiwei Zhang , Hong Cheng , Jeffrey Xu Yu

Named entity recognition (NER) is an important research problem in natural language processing. There are three types of NER tasks, including flat, nested and discontinuous entity recognition. Most previous sequential labeling models are…

Computation and Language · Computer Science 2023-03-21 Ying Mo , Hongyin Tang , Jiahao Liu , Qifan Wang , Zenglin Xu , Jingang Wang , Wei Wu , Zhoujun Li

The availability of large amounts of computer-readable textual data and hardware that can process the data has shifted the focus of knowledge projects towards deep learning architecture. Natural Language Processing, particularly the task of…

Computation and Language · Computer Science 2021-01-28 Arya Roy

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…

Computation and Language · Computer Science 2020-01-01 John Giorgi , Xindi Wang , Nicola Sahar , Won Young Shin , Gary D. Bader , Bo Wang

Clinical named entity recognition (NER) aims to retrieve important entities within clinical narratives. Recent works have demonstrated that large language models (LLMs) can achieve strong performance in this task. While previous works focus…

Computation and Language · Computer Science 2025-02-21 Reza Averly , Xia Ning

Motivation: State-of-the-art biomedical named entity recognition (BioNER) systems often require handcrafted features specific to each entity type, such as genes, chemicals and diseases. Although recent studies explored using neural network…

Information Retrieval · Computer Science 2018-10-09 Xuan Wang , Yu Zhang , Xiang Ren , Yuhao Zhang , Marinka Zitnik , Jingbo Shang , Curtis Langlotz , Jiawei Han

Named Entity Recognition (NER) is an important subtask of information extraction that seeks to locate and recognise named entities. Despite recent achievements, we still face limitations in correctly detecting and classifying entities,…

Information Retrieval · Computer Science 2018-09-07 Diego Esteves

Named Entity Recognition (NER) is a fundamental task in natural language processing. It remains a research hotspot due to its wide applicability across domains. Although recent advances in deep learning have significantly improved NER…

Computation and Language · Computer Science 2025-08-12 Xiaobo Zhang , Congqing He , Ying He , Jian Peng , Dajie Fu , Tien-Ping Tan

In the domain of Natural Language Processing (NLP), Named Entity Recognition (NER) stands out as a pivotal mechanism for extracting structured insights from unstructured text. This manuscript offers an exhaustive exploration into the…

Computation and Language · Computer Science 2023-09-26 Kalyani Pakhale

This study proposed a knowledge graph entity extraction and relationship reasoning algorithm based on a graph neural network, using a graph convolutional network and graph attention network to model the complex structure in the knowledge…

Computation and Language · Computer Science 2024-11-26 Junliang Du , Guiran Liu , Jia Gao , Xiaoxuan Liao , Jiacheng Hu , Linxiao Wu

Named Entity Recognition task is one of the core tasks of information extraction. Word ambiguity and word abbreviation are important reasons for the low recognition rate of named entities. In this paper, we propose a novel named entity…

Computation and Language · Computer Science 2022-08-16 Renjie Zhou , Qiang Hu , Jian Wan , Jilin Zhang , Qiang Liu , Tianxiang Hu , Jianjun Li

Named Entity Recognition (NER) is an essential precursor task for many natural language applications, such as relation extraction or event extraction. Much of the NER research has been done on datasets with few classes of entity types (e.g.…

Computation and Language · Computer Science 2020-09-17 Parul Awasthy , Taesun Moon , Jian Ni , Radu Florian

In this study, a novel method for extracting named entities and relations from unstructured text based on the table representation is presented. By using contextualized word embeddings, the proposed method computes representations for…

Computation and Language · Computer Science 2022-01-28 Youmi Ma , Tatsuya Hiraoka , Naoaki Okazaki

For several purposes in Natural Language Processing (NLP), such as Information Extraction, Sentiment Analysis or Chatbot, Named Entity Recognition (NER) holds an important role as it helps to determine and categorize entities in text into…

Computation and Language · Computer Science 2020-03-24 Thong Nguyen , Duy Nguyen , Pramod Rao