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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

This paper presents a novel framework, MGNER, for Multi-Grained Named Entity Recognition where multiple entities or entity mentions in a sentence could be non-overlapping or totally nested. Different from traditional approaches regarding…

Computation and Language · Computer Science 2020-04-06 Congying Xia , Chenwei Zhang , Tao Yang , Yaliang Li , Nan Du , Xian Wu , Wei Fan , Fenglong Ma , Philip Yu

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 the task of identifying spans that represent entities in sentences. Whether the entity spans are nested or discontinuous, the NER task can be categorized into the flat NER, nested NER, and discontinuous NER…

Computation and Language · Computer Science 2021-06-03 Hang Yan , Tao Gui , Junqi Dai , Qipeng Guo , Zheng Zhang , Xipeng Qiu

Named Entity Recognition (NER) is one of the most common tasks of the natural language processing. The purpose of NER is to find and classify tokens in text documents into predefined categories called tags, such as person names, quantity…

Computation and Language · Computer Science 2017-10-10 L. T. Anh , M. Y. Arkhipov , M. S. Burtsev

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

Existing scholarly information extraction (SIE) datasets focus on scientific papers and overlook implementation-level details in code repositories. README files describe datasets, source code, and other implementation-level artifacts,…

Computation and Language · Computer Science 2026-03-09 Genet Asefa Gesese , Zongxiong Chen , Shufan Jiang , Mary Ann Tan , Zhaotai Liu , Sonja Schimmler , Harald Sack

Identifying named entities is, in general, a practical and challenging task in the field of Natural Language Processing. Named Entity Recognition on the code-mixed text is further challenging due to the linguistic complexity resulting from…

Computation and Language · Computer Science 2022-06-16 Suman Dowlagar , Radhika Mamidi

Named Entity Recognition (NER) is a fundamental Natural Language Processing (NLP) task to extract entities from unstructured data. The previous methods for NER were based on machine learning or deep learning. Recently, pre-training models…

Computation and Language · Computer Science 2020-02-21 Yu Wang , Yining Sun , Zuchang Ma , Lisheng Gao , Yang Xu , Ting Sun

This paper addresses the challenge of Named Entity Recognition (NER) for person names within the specialized domain of Russian news texts concerning cultural events. The study utilizes the unique SPbLitGuide dataset, a collection of event…

Computation and Language · Computer Science 2025-06-04 Maria Levchenko

Nested named entity recognition (nested NER) is a fundamental task in natural language processing. Various span-based methods have been proposed to detect nested entities with span representations. However, span-based methods do not…

Computation and Language · Computer Science 2022-09-07 Shuhui Wu , Yongliang Shen , Zeqi Tan , Weiming Lu

Named entity recognition (NER) is a well-established task of information extraction which has been studied for decades. More recently, studies reporting NER experiments on social media texts have emerged. On the other hand, stance detection…

Computation and Language · Computer Science 2017-08-01 Dilek Küçük

NSURL-2019 Task 7 focuses on Named Entity Recognition (NER) in Farsi. This task was chosen to compare different approaches to find phrases that specify Named Entities in Farsi texts, and to establish a standard testbed for future researches…

Computation and Language · Computer Science 2020-03-23 Nasrin Taghizadeh , Zeinab Borhanifard , Melika GolestaniPour , Heshaam Faili

Named entity recognition (NER) and entity linking (EL) are two fundamentally related tasks, since in order to perform EL, first the mentions to entities have to be detected. However, most entity linking approaches disregard the mention…

Computation and Language · Computer Science 2019-07-22 Pedro Henrique Martins , Zita Marinho , André F. T. Martins

Named Entity Recognition (NER) is a well researched NLP task and is widely used in real world NLP scenarios. NER research typically focuses on the creation of new ways of training NER, with relatively less emphasis on resources and…

Computation and Language · Computer Science 2022-05-05 Sowmya Vajjala , Ramya Balasubramaniam

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

Named Entity Recognition (NER) or the extraction of concepts from clinical text is the task of identifying entities in text and slotting them into categories such as problems, treatments, tests, clinical departments, occurrences (such as…

Computation and Language · Computer Science 2022-08-31 Namrata Nath , Sang-Heon Lee , Ivan Lee

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

This paper presents Wojood, a corpus for Arabic nested Named Entity Recognition (NER). Nested entities occur when one entity mention is embedded inside another entity mention. Wojood consists of about 550K Modern Standard Arabic (MSA) and…

Computation and Language · Computer Science 2022-05-24 Mustafa Jarrar , Mohammed Khalilia , Sana Ghanem

Named Entity Recognition(NER) is a task of recognizing entities at a token level in a sentence. This paper focuses on solving NER tasks in a multilingual setting for complex named entities. Our team, LLM-RM participated in the recently…

Computation and Language · Computer Science 2023-05-08 Rahul Mehta , Vasudeva Varma