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In many scenarios, named entity recognition (NER) models severely suffer from unlabeled entity problem, where the entities of a sentence may not be fully annotated. Through empirical studies performed on synthetic datasets, we find two…

Computation and Language · Computer Science 2021-03-19 Yangming Li , Lemao Liu , Shuming Shi

Named Entity Recognition (NER) is a challenging and widely studied task that involves detecting and typing entities in text. So far,NER still approaches entity typing as a task of classification into universal classes (e.g. date, person, or…

Computation and Language · Computer Science 2023-02-22 Tristan Luiggi , Laure Soulier , Vincent Guigue , Siwar Jendoubi , Aurélien Baelde

In this paper, we propose a new strategy for the task of named entity recognition (NER). We cast the task as a query-based machine reading comprehension task: e.g., the task of extracting entities with PER is formalized as answering the…

Computation and Language · Computer Science 2019-11-05 Yuxian Meng , Xiaoya Li , Zijun Sun , Jiwei Li

The aim of Named Entity Recognition (NER) is to identify references of named entities in unstructured documents, and to classify them into pre-defined semantic categories. NER often aids from added background knowledge in the form of…

Computation and Language · Computer Science 2015-11-24 S. Thenmalar , J. Balaji , T. V. Geetha

In recent months the world has been surprised by the rapid advance of COVID-19. In order to face this disease and minimize its socio-economic impacts, in addition to surveillance and treatment, diagnosis is a crucial procedure. However, the…

Image and Video Processing · Electrical Eng. & Systems 2020-07-13 Lucas P. Soares , Cesar P. Soares

Named Entity Recognition (NER) and Relation Extraction (RE) are essential tools in distilling knowledge from biomedical literature. This paper presents our findings from participating in BioNLP Shared Tasks 2019. We addressed Named Entity…

Computation and Language · Computer Science 2019-10-09 Usama Yaseen , Pankaj Gupta , Hinrich Schütze

Named entity recognition (NER) stands as a fundamental and pivotal task within the realm of Natural Language Processing. Particularly within the domain of Biomedical Method NER, this task presents notable challenges, stemming from the…

Computation and Language · Computer Science 2024-07-01 Chen Tang , Bohao Yang , Kun Zhao , Bo Lv , Chenghao Xiao , Frank Guerin , Chenghua Lin

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

Recognizing entities in texts is a central need in many information-seeking scenarios, and indeed, Named Entity Recognition (NER) is arguably one of the most successful examples of a widely adopted NLP task and corresponding NLP technology.…

Computation and Language · Computer Science 2023-10-24 Uri Katz , Matan Vetzler , Amir DN Cohen , Yoav Goldberg

This paper describes our study on using mutilingual BERT embeddings and some new neural models for improving sequence tagging tasks for the Vietnamese language. We propose new model architectures and evaluate them extensively on two named…

Computation and Language · Computer Science 2020-09-28 Viet Bui The , Oanh Tran Thi , Phuong Le-Hong

Named Entity Recognition (NER) aims to extract and classify entity mentions in the text into pre-defined types (e.g., organization or person name). Recently, many works have been proposed to shape the NER as a machine reading comprehension…

Computation and Language · Computer Science 2023-09-21 Yibo Wang , Wenting Zhao , Yao Wan , Zhongfen Deng , Philip S. Yu

Novel coronavirus (COVID-19) outbreak, has raised a calamitous situation all over the world and has become one of the most acute and severe ailments in the past hundred years. The prevalence rate of COVID-19 is rapidly rising every day…

Image and Video Processing · Electrical Eng. & Systems 2022-09-09 Md. Milon Islam , Fakhri Karray , Reda Alhajj , Jia Zeng

Since the onset of the COVID-19 pandemic in 2020, millions of people have succumbed to this deadly virus. Many attempts have been made to devise an automated method of testing that could detect the virus. Various researchers around the…

Image and Video Processing · Electrical Eng. & Systems 2021-11-11 Samyak Prajapati , Japman Singh Monga , Shaanya Singh , Amrit Raj , Yuvraj Singh Champawat , Chandra Prakash

The ongoing global pandemic of Coronavirus Disease 2019 (COVID-19) poses a serious threat to public health and the economy. Rapid and accurate diagnosis of COVID-19 is crucial to prevent the further spread of the disease and reduce its…

Image and Video Processing · Electrical Eng. & Systems 2021-08-31 Jun Shi , Huite Yi , Shulan Ruan , Zhaohui Wang , Xiaoyu Hao , Hong An , Wei Wei

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 2018-04-16 Qi Wang , Yuhang Xia , Yangming Zhou , Tong Ruan , Daqi Gao , Ping He

Named entity recognition (NER) is the task to identify mentions of rigid designators from text belonging to predefined semantic types such as person, location, organization etc. NER always serves as the foundation for many natural language…

Computation and Language · Computer Science 2023-04-26 Jing Li , Aixin Sun , Jianglei Han , Chenliang Li

Here we present the training and evaluation of NanoNER, a Named Entity Recognition (NER) model for Nanobiology. NER consists in the identification of specific entities in spans of unstructured texts and is often a primary task in Natural…

Information Retrieval · Computer Science 2024-02-07 Martin Lentschat , Cyril Labbé , Ran Cheng

The clinical named entity recognition (CNER) task seeks to locate and classify clinical terminologies into predefined categories, such as diagnostic procedure, disease disorder, severity, medication, medication dosage, and sign symptom.…

Computation and Language · Computer Science 2021-06-25 Yichao Zhou , Chelsea Ju , J. Harry Caufield , Kevin Shih , Calvin Chen , Yizhou Sun , Kai-Wei Chang , Peipei Ping , Wei Wang

Named entity recognition (NER) is highly sensitive to sentential syntactic and semantic properties where entities may be extracted according to how they are used and placed in the running text. To model such properties, one could rely on…

Computation and Language · Computer Science 2020-10-30 Yuyang Nie , Yuanhe Tian , Yan Song , Xiang Ao , Xiang Wan

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