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Related papers: NER-MQMRC: Formulating Named Entity Recognition as…

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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

Named Entity Recognition (NER) aims at locating and classifying named entities in text. In some use cases of NER, including cases where detected named entities are used in creating content recommendations, it is crucial to have a reliable…

Neural and Evolutionary Computing · Computer Science 2017-12-07 Mahdi Namazifar

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

With the proliferation of models for natural language processing tasks, it is even harder to understand the differences between models and their relative merits. Simply looking at differences between holistic metrics such as accuracy, BLEU,…

Computation and Language · Computer Science 2020-12-10 Jinlan Fu , Pengfei Liu , Graham Neubig

Named entity recognition (NER) is an extensively studied task that extracts and classifies named entities in a text. NER is crucial not only in downstream language processing applications such as relation extraction and question answering…

Computation and Language · Computer Science 2020-05-19 Gizem Aras , Didem Makaroglu , Seniz Demir , Altan Cakir

Building named entity recognition (NER) models for languages that do not have much training data is a challenging task. While recent work has shown promising results on cross-lingual transfer from high-resource languages to low-resource…

Computation and Language · Computer Science 2019-09-10 Xiaolei Huang , Jonathan May , Nanyun Peng

Named Entity Recognition (NER) is a sub-task of Natural Language Processing (NLP) that distinguishes entities from unorganized text into predefined categorization. In recent years, a lot of Bangla NLP subtasks have received quite a lot of…

Computation and Language · Computer Science 2024-01-31 Niloy Farhan , Saman Sarker Joy , Tafseer Binte Mannan , Farig Sadeque

Named entity recognition (NER) is the task to detect and classify the entity spans in the text. When entity spans overlap between each other, this problem is named as nested NER. Span-based methods have been widely used to tackle the nested…

Computation and Language · Computer Science 2022-09-16 Hang Yan , Yu Sun , Xiaonan Li , Xipeng Qiu

A large amount of information in today's world is now stored in knowledge bases. Named Entity Recognition (NER) is a process of extracting, disambiguation, and linking an entity from raw text to insightful and structured knowledge bases.…

Computation and Language · Computer Science 2024-11-11 Monica Munnangi

Biomedical named entity recognition (BNER) serves as the foundation for numerous biomedical text mining tasks. Unlike general NER, BNER require a comprehensive grasp of the domain, and incorporating external knowledge beyond training data…

Computation and Language · Computer Science 2023-07-06 Junyi Bian , Rongze Jiang , Weiqi Zhai , Tianyang Huang , Hong Zhou , Shanfeng Zhu

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) aims to identify mentions of named entities in an unstructured text and classify them into predefined named entity classes. While deep learning-based pre-trained language models help to achieve good predictive…

Computation and Language · Computer Science 2023-06-16 Ali Osman Berk Sapci , Oznur Tastan , Reyyan Yeniterzi

Named Entity Recognition (NER), a classic sequence labelling task, is an essential component of natural language understanding (NLU) systems in task-oriented dialog systems for slot filling. For well over a decade, different methods from…

Computation and Language · Computer Science 2018-12-07 Pratik Jayarao , Chirag Jain , Aman Srivastava

Traditional named entity recognition (NER) aims to identify text mentions into pre-defined entity types. Continual Named Entity Recognition (CNER) is introduced since entity categories are continuously increasing in various real-world…

Computation and Language · Computer Science 2025-10-14 Yawen Yang , Fukun Ma , Shiao Meng , Aiwei Liu , Lijie Wen

Named Entity Recognition (NER) and Relation Classification (RC) are important steps in extracting information from unstructured text and formatting it into a machine-readable format. We present a survey of recent deep learning models that…

Computation and Language · Computer Science 2024-03-28 Sakher Khalil Alqaaidi , Elika Bozorgi , Afsaneh Shams , Krzysztof Kochut

Named Entity Recognition (NER) is a fundamental NLP task, commonly formulated as classification over a sequence of tokens. Morphologically-Rich Languages (MRLs) pose a challenge to this basic formulation, as the boundaries of Named Entities…

Computation and Language · Computer Science 2021-09-14 Dan Bareket , Reut Tsarfaty

Nested Named Entity Recognition (NNER) has been a long-term challenge to researchers as an important sub-area of Named Entity Recognition. NNER is where one entity may be part of a longer entity, and this may happen on multiple levels, as…

Computation and Language · Computer Science 2022-11-22 Jiuding Yang , Jinwen Luo , Weidong Guo , Jerry Chen , Di Niu , Yu Xu

Building real-world complex Named Entity Recognition (NER) systems is a challenging task. This is due to the complexity and ambiguity of named entities that appear in various contexts such as short input sentences, emerging entities, and…

Computation and Language · Computer Science 2022-04-29 Abdellah El Mekki , Abdelkader El Mahdaouy , Mohammed Akallouch , Ismail Berrada , Ahmed Khoumsi

Named Entity Recognition (NER) is a task in Natural Language Processing (NLP) that aims to identify and classify entities in text into predefined categories. However, when applied to Arabic data, NER encounters unique challenges stemming…

Computation and Language · Computer Science 2024-08-08 Ahmed Abdou , Tasneem Mohsen

Neural IR has advanced through two distinct paths: entity-oriented approaches leveraging knowledge graphs and multi-vector models capturing fine-grained semantics. We introduce QDER, a neural re-ranking model that unifies these approaches…

Information Retrieval · Computer Science 2025-10-14 Shubham Chatterjee , Jeff Dalton