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Few-shot named entity recognition (NER) systems aims at recognizing new classes of entities based on a few labeled samples. A significant challenge in the few-shot regime is prone to overfitting than the tasks with abundant samples. The…

Computation and Language · Computer Science 2023-05-04 Zhen Yang , Yongbin Liu , Chunping Ouyang

Distantly supervised named entity recognition (DS-NER) has been proposed to exploit the automatically labeled training data instead of human annotations. The distantly annotated datasets are often noisy and contain a considerable number of…

Computation and Language · Computer Science 2023-05-23 Lu Xu , Lidong Bing , Wei Lu

Named Entity Recognition (NER) is a challenging task that extracts named entities from unstructured text data, including news, articles, social comments, etc. The NER system has been studied for decades. Recently, the development of Deep…

Computation and Language · Computer Science 2020-09-03 Jiuniu Wang , Wenjia Xu , Xingyu Fu , Guangluan Xu , Yirong Wu

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

Nested named entity recognition (NER) has been receiving increasing attention. Recently, (Fu et al, 2021) adapt a span-based constituency parser to tackle nested NER. They treat nested entities as partially-observed constituency trees and…

Computation and Language · Computer Science 2022-03-10 Chao Lou , Songlin Yang , Kewei Tu

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

We present a subspace system identification method based on weighted nuclear norm approximation. The weight matrices used in the nuclear norm minimization are the same weights as used in standard subspace identification methods. We show…

Systems and Control · Computer Science 2016-11-18 Anders Hansson , Zhang Liu , Lieven Vandenberghe

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

In this paper, we study a novel approach for named entity recognition (NER) and mention detection in natural language processing. Instead of treating NER as a sequence labelling problem, we propose a new local detection approach, which rely…

Computation and Language · Computer Science 2016-11-04 Mingbin Xu , Hui Jiang

Recognizing named entities (NEs) is commonly conducted as a classification problem that predicts a class tag for a word or a NE candidate in a sentence. In shallow structures, categorized features are weighted to support the prediction.…

Computation and Language · Computer Science 2022-02-01 Yanping Chen , Lefei Wu , Qinghua Zheng , Ruizhang Huang , Jun Liu , Liyuan Deng , Junhui Yu , Yongbin Qing , Bo Dong , Ping Chen

Spoken Named Entity Recognition (NER) aims to extract named entities from speech and categorise them into types like person, location, organization, etc. In this work, we present VietMed-NER - the first spoken NER dataset in the medical…

Audio and Speech Processing · Electrical Eng. & Systems 2025-04-03 Khai Le-Duc , David Thulke , Hung-Phong Tran , Long Vo-Dang , Khai-Nguyen Nguyen , Truong-Son Hy , Ralf Schlüter

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

Named entity recognition (NER) is used to identify relevant entities in text. A bidirectional LSTM (long short term memory) encoder with a neural conditional random fields (CRF) decoder (biLSTM-CRF) is the state of the art methodology. In…

Computation and Language · Computer Science 2018-08-15 Antonio Jimeno Yepes

The task of named entity recognition (NER) is normally divided into nested NER and flat NER depending on whether named entities are nested or not. Models are usually separately developed for the two tasks, since sequence labeling models,…

Computation and Language · Computer Science 2022-11-23 Xiaoya Li , Jingrong Feng , Yuxian Meng , Qinghong Han , Fei Wu , Jiwei Li

There is an increasing interest in studying natural language and computer code together, as large corpora of programming texts become readily available on the Internet. For example, StackOverflow currently has over 15 million programming…

Computation and Language · Computer Science 2020-11-17 Jeniya Tabassum , Mounica Maddela , Wei Xu , Alan Ritter

Information Extraction from scientific literature can be challenging due to the highly specialised nature of such text. We describe our entity recognition methods developed as part of the DEAL (Detecting Entities in the Astrophysics…

Computation and Language · Computer Science 2022-11-28 Xiang Dai , Sarvnaz Karimi

This paper presents a framework for Named Entity Recognition (NER) leveraging the Bidirectional Encoder Representations from Transformers (BERT) model in natural language processing (NLP). NER is a fundamental task in NLP with broad…

Computation and Language · Computer Science 2025-05-06 Mo Sun , Siheng Xiong , Yuankai Cai , Bowen Zuo

Few-shot Named Entity Recognition (NER) is a task aiming to identify named entities via limited annotated samples. Recently, prototypical networks have shown promising performance in few-shot NER. Most of prototypical networks will utilize…

Computation and Language · Computer Science 2023-05-23 Mozhi Zhang , Hang Yan , Yaqian Zhou , Xipeng Qiu

We reconstruct the innovation dynamics of about two hundred thousand companies by following their patenting activity for about ten years. We define the technological portfolios of these companies as the set of the technological sectors…

Physics and Society · Physics 2021-10-06 Matteo Straccamore , Luciano Pietronero , Andrea Zaccaria

Named Entity Recognition (NER) is a fundamental task in natural language processing. It remains a research hotspot due to its wide applicability across domains. Although recent advances in deep learning have significantly improved NER…

Computation and Language · Computer Science 2025-08-12 Xiaobo Zhang , Congqing He , Ying He , Jian Peng , Dajie Fu , Tien-Ping Tan