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Named entity recognition (NER) is an important task in narration extraction. Narration, as a system of stories, provides insights into how events and characters in the stories develop over time. This paper proposes an architecture for NER…

Computation and Language · Computer Science 2022-04-21 Bart Gajderowicz , Daniela Rosu , Mark S Fox

This paper introduces a named entity recognition approach in textual corpus. This Named Entity (NE) can be a named: location, person, organization, date, time, etc., characterized by instances. A NE is found in texts accompanied by…

Information Retrieval · Computer Science 2011-03-01 Wahiba Ben Abdessalem Karaa

In medical information extraction, medical Named Entity Recognition (NER) is indispensable, playing a crucial role in developing medical knowledge graphs, enhancing medical question-answering systems, and analyzing electronic medical…

Computation and Language · Computer Science 2024-03-26 Xiaojing Du , Hanjie Zhao , Danyan Xing , Yuxiang Jia , Hongying Zan

Large language models (LLMs) have demonstrated remarkable versatility across a wide range of natural language processing tasks and domains. One such task is Named Entity Recognition (NER), which involves identifying and classifying proper…

Digital Libraries · Computer Science 2026-04-29 Shibingfeng Zhang , Giovanni Colavizza

Named entity recognition (NER) is widely used in natural language processing applications and downstream tasks. However, most NER tools target flat annotation from popular datasets, eschewing the semantic information available in nested…

Computation and Language · Computer Science 2019-06-05 Nicky Ringland , Xiang Dai , Ben Hachey , Sarvnaz Karimi , Cecile Paris , James R. Curran

Most of the Natural Language Processing systems are involved in entity-based processing for several tasks like Information Extraction, Question-Answering, Text-Summarization and so on. A new challenge comes when entities play roles…

Computation and Language · Computer Science 2025-11-11 Neelesh Kumar Shukla , Sanasam Ranbir Singh

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

While named entity recognition (NER) is a key task in natural language processing, most approaches only target flat entities, ignoring nested structures which are common in many scenarios. Most existing nested NER methods traverse all…

Computation and Language · Computer Science 2021-07-21 Huiqiang Jiang , Guoxin Wang , Weile Chen , Chengxi Zhang , Börje F. Karlsson

Named Entity Recognition (NER) is a key NLP task, which is all the more challenging on Web and user-generated content with their diverse and continuously changing language. This paper aims to quantify how this diversity impacts…

Computation and Language · Computer Science 2017-03-09 Isabelle Augenstein , Leon Derczynski , Kalina Bontcheva

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 Recognition and Disambiguation (NERD) systems have recently been widely researched to deal with the significant growth of the Web. NERD systems are crucial for several Natural Language Processing (NLP) tasks such as…

Computation and Language · Computer Science 2017-10-26 Sandro A. Coelho , Diego Moussallem , Gustavo C. Publio , Diego Esteves

Named entity recognition (NER) remains challenging when entity mentions can be discontinuous. Existing methods break the recognition process into several sequential steps. In training, they predict conditioned on the golden intermediate…

Computation and Language · Computer Science 2021-11-29 Yucheng Wang , Bowen Yu , Hongsong Zhu , Tingwen Liu , Nan Yu , Limin Sun

Mining structured knowledge from tweets using named entity recognition (NER) can be beneficial for many down stream applications such as recommendation and intention understanding. With tweet posts tending to be multimodal, multimodal named…

Computation and Language · Computer Science 2024-01-05 Peipei Liu , Hong Li , Yimo Ren , Jie Liu , Shuaizong Si , Hongsong Zhu , Limin Sun

Ever-larger language models with ever-increasing capabilities are by now well-established text processing tools. Alas, information extraction tasks such as named entity recognition are still largely unaffected by this progress as they are…

Computation and Language · Computer Science 2023-08-16 Tobias Deußer , Lars Hillebrand , Christian Bauckhage , Rafet Sifa

Named entity recognition (NER) is a fundamental component in the modern language understanding pipeline. Public NER resources such as annotated data and model services are available in many domains. However, given a particular downstream…

Computation and Language · Computer Science 2020-04-20 Keunwoo Peter Yu , Yi Yang

Named Entity Recognition (NER) models play a crucial role in various NLP tasks, including information extraction (IE) and text understanding. In academic writing, references to machine learning models and datasets are fundamental components…

Computation and Language · Computer Science 2023-11-17 Wolfgang Otto , Matthäus Zloch , Lu Gan , Saurav Karmakar , Stefan Dietze

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

For languages with no annotated resources, transferring knowledge from rich-resource languages is an effective solution for named entity recognition (NER). While all existing methods directly transfer from source-learned model to a target…

Computation and Language · Computer Science 2020-07-16 Qianhui Wu , Zijia Lin , Guoxin Wang , Hui Chen , Börje F. Karlsson , Biqing Huang , Chin-Yew Lin

Nested named entity recognition (NER) aims to identify the entity boundaries and recognize categories of the named entities in a complex hierarchical sentence. Some works have been done using character-level, word-level, or lexicon-level…

Computation and Language · Computer Science 2022-11-08 Yuan Sui , Fanyang Bu , Yingting Hu , Wei Yan , Liang Zhang

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