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Named entity recognition (NER) is a natural language processing task (NLP), which aims to identify named entities and classify them like person, location, organization, etc. In the Arabic language, we can find a considerable size of…

Computation and Language · Computer Science 2023-04-10 Alaa Shaker , Alaa Aldarf , Igor Bessmertny

It has been shown that named entity recognition (NER) could benefit from incorporating the long-distance structured information captured by dependency trees. We believe this is because both types of features - the contextual information…

Computation and Language · Computer Science 2021-04-13 Lu Xu , Zhanming Jie , Wei Lu , Lidong Bing

Language Models (LMs) such as BERT, have been shown to perform well on the task of identifying Named Entities (NE) in text. A BERT LM is typically used as a classifier to classify individual tokens in the input text, or to classify spans of…

Computation and Language · Computer Science 2024-03-04 Edward Whittaker , Ikuo Kitagishi

We study clinical Named Entity Recognition (NER) on the CADEC corpus and compare three families of approaches: (i) BERT-style encoders (BERT Base, BioClinicalBERT, RoBERTa-large), (ii) GPT-4o used with few-shot in-context learning (ICL)…

Computation and Language · Computer Science 2025-10-28 Andrei Baroian

We present a weakly-supervised data augmentation approach to improve Named Entity Recognition (NER) in a challenging domain: extracting biomedical entities (e.g., proteins) from the scientific literature. First, we train a neural NER (NNER)…

Machine Learning · Computer Science 2019-06-04 Joel Mathew , Shobeir Fakhraei , José Luis Ambite

Named entity recognition (NER) plays an essential role in natural language processing systems. Judicial NER is a fundamental component of judicial information retrieval, entity relation extraction, and knowledge map building. However,…

Computation and Language · Computer Science 2020-12-30 Pin Tang , Pinli Yang , Yuang Shi , Yi Zhou , Feng Lin , Yan Wang

In this work, we propose a two-stage method for named entity recognition (NER), especially for nested NER. We borrowed the idea from the two-stage Object Detection in computer vision and the way how they construct the loss function. First,…

Computation and Language · Computer Science 2021-01-28 Bing Li

Despite the success of end-to-end automatic speech recognition (ASR) models, challenges persist in recognizing rare, out-of-vocabulary words - including named entities (NE) - and in adapting to new domains using only text data. This work…

In-context learning (ICL) enables large language models (LLMs) to perform new tasks using only a few demonstrations. However, in Named Entity Recognition (NER), existing ICL methods typically rely on task-agnostic semantic similarity for…

Computation and Language · Computer Science 2025-10-30 Fan Bai , Hamid Hassanzadeh , Ardavan Saeedi , Mark Dredze

This paper presents our findings from participating in the SMM4H Shared Task 2021. We addressed Named Entity Recognition (NER) and Text Classification. To address NER we explored BiLSTM-CRF with Stacked Heterogeneous Embeddings and…

Computation and Language · Computer Science 2021-06-14 Usama Yaseen , Stefan Langer

Despite impressive results of language models for named entity recognition (NER), their generalization to varied textual genres, a growing entity type set, and new entities remains a challenge. Collecting thousands of annotations in each…

Computation and Language · Computer Science 2022-04-28 Elena V. Epure , Romain Hennequin

Continual Named Entity Recognition (CNER) is a burgeoning area, which involves updating an existing model by incorporating new entity types sequentially. Nevertheless, continual learning approaches are often severely afflicted by…

Computation and Language · Computer Science 2023-10-24 Duzhen Zhang , Wei Cong , Jiahua Dong , Yahan Yu , Xiuyi Chen , Yonggang Zhang , Zhen Fang

Deep neural network models have recently achieved state-of-the-art performance gains in a variety of natural language processing (NLP) tasks (Young, Hazarika, Poria, & Cambria, 2017). However, these gains rely on the availability of large…

Computation and Language · Computer Science 2018-11-15 Maximilian Hofer , Andrey Kormilitzin , Paul Goldberg , Alejo Nevado-Holgado

Clinical Named Entity Recognition (CNER) aims to identify and classify clinical terms such as diseases, symptoms, treatments, exams, and body parts in electronic health records, which is a fundamental and crucial task for clinical and…

Computation and Language · Computer Science 2018-11-28 Jiahui Qiu , Qi Wang , Yangming Zhou , Tong Ruan , Ju Gao

Despite advancements of end-to-end (E2E) models in speech recognition, named entity recognition (NER) is still challenging but critical for semantic understanding. Previous studies mainly focus on various rule-based or attention-based…

Audio and Speech Processing · Electrical Eng. & Systems 2024-06-11 Peng Wang , Yifan Yang , Zheng Liang , Tian Tan , Shiliang Zhang , Xie Chen

One of the main tasks of Natural Language Processing (NLP), is Named Entity Recognition (NER). It is used in many applications and also can be used as an intermediate step for other tasks. We present ANER, a web-based named entity…

Computation and Language · Computer Science 2023-08-30 Abdelrahman "Boda" Sadallah , Omar Ahmed , Shimaa Mohamed , Omar Hatem , Doaa Hesham , Ahmed H. Yousef

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

In recent years, deep learning has achieved great success in many natural language processing tasks including named entity recognition. The shortcoming is that a large amount of manually-annotated data is usually required. Previous studies…

Computation and Language · Computer Science 2020-08-28 Mingyi Liu , Zhiying Tu , Tong Zhang , Tonghua Su , Zhongjie Wang

The state-of-the-art named entity recognition (NER) systems are supervised machine learning models that require large amounts of manually annotated data to achieve high accuracy. However, annotating NER data by human is expensive and…

Computation and Language · Computer Science 2019-11-04 Jian Ni , Georgiana Dinu , Radu Florian

Recent advances in Named Entity Recognition (NER) show that document-level contexts can significantly improve model performance. In many application scenarios, however, such contexts are not available. In this paper, we propose to find…

Computation and Language · Computer Science 2022-12-09 Xinyu Wang , Yong Jiang , Nguyen Bach , Tao Wang , Zhongqiang Huang , Fei Huang , Kewei Tu