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相关论文: Bootstrapping Named Entity Recognition in E-Commer…

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More recently, Named Entity Recognition hasachieved great advances aided by pre-trainingapproaches such as BERT. However, currentpre-training techniques focus on building lan-guage modeling objectives to learn a gen-eral representation,…

计算与语言 · 计算机科学 2020-10-29 Mengge Xue , Bowen Yu , Zhenyu Zhang , Tingwen Liu , Yue Zhang , Bin Wang

The availability of large amounts of computer-readable textual data and hardware that can process the data has shifted the focus of knowledge projects towards deep learning architecture. Natural Language Processing, particularly the task of…

计算与语言 · 计算机科学 2021-01-28 Arya Roy

Nested named entity recognition identifies entities contained within other entities, but requires expensive multi-level annotation. While flat NER corpora exist abundantly, nested resources remain scarce. We investigate whether models can…

计算与语言 · 计算机科学 2026-03-03 Igor Rozhkov , Natalia Loukachevitch

Content on the Internet is heterogeneous and arises from various domains like News, Entertainment, Finance and Technology. Understanding such content requires identifying named entities (persons, places and organizations) as one of the key…

计算与语言 · 计算机科学 2016-12-02 Vivek Kulkarni , Yashar Mehdad , Troy Chevalier

Named entity recognition on the in-domain supervised and few-shot settings have been extensively discussed in the NLP community and made significant progress. However, cross-domain NER, a more common task in practical scenarios, still poses…

计算与语言 · 计算机科学 2024-07-25 Ke Bao , Chonghuan Yang

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…

计算与语言 · 计算机科学 2020-09-03 Jiuniu Wang , Wenjia Xu , Xingyu Fu , Guangluan Xu , Yirong Wu

Most state-of-the-art approaches for named-entity recognition (NER) use semi supervised information in the form of word clusters and lexicons. Recently neural network-based language models have been explored, as they as a byproduct generate…

计算与语言 · 计算机科学 2014-04-23 Alexandre Passos , Vineet Kumar , Andrew McCallum

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.…

计算与语言 · 计算机科学 2020-09-17 Parul Awasthy , Taesun Moon , Jian Ni , Radu Florian

In this paper, we present our approach to extracting structured information from unstructured Electronic Health Records (EHR) [2] which can be used to, for example, study adverse drug reactions in patients due to chemicals in their…

计算与语言 · 计算机科学 2020-01-30 Amogh Kamat Tarcar , Aashis Tiwari , Vineet Naique Dhaimodker , Penjo Rebelo , Rahul Desai , Dattaraj Rao

Biomedical named entity recognition (NER) is a fundamental task in text mining of medical documents and has many applications. Deep learning based approaches to this task have been gaining increasing attention in recent years as their…

计算与语言 · 计算机科学 2018-08-16 Devendra Singh Sachan , Pengtao Xie , Mrinmaya Sachan , Eric P Xing

State-of-the-art Named Entity Recognition(NER) models rely heavily on large amountsof fully annotated training data. However, ac-cessible data are often incompletely annotatedsince the annotators usually lack comprehen-sive knowledge in the…

计算与语言 · 计算机科学 2022-06-10 Hongtao Ruan , Liying Zheng , Peixian Hu

Despite impressive results of language models for named entity recognition (NER), their generalization to varied textual genres, a growing entity type set, and new entities remains a challenge. Collecting thousands of annotations in each…

计算与语言 · 计算机科学 2022-04-28 Elena V. Epure , Romain Hennequin

The state-of-the-art named entity recognition (NER) systems are statistical machine learning models that have strong generalization capability (i.e., can recognize unseen entities that do not appear in training data) based on lexical and…

计算与语言 · 计算机科学 2019-11-04 Jian Ni , Radu Florian

We study learning named entity recognizers in the presence of missing entity annotations. We approach this setting as tagging with latent variables and propose a novel loss, the Expected Entity Ratio, to learn models in the presence of…

计算与语言 · 计算机科学 2021-08-17 Thomas Effland , Michael Collins

Named entity recognition (NER) systems that perform well require task-related and manually annotated datasets. However, they are expensive to develop, and are thus limited in size. As there already exists a large number of NER datasets that…

计算与语言 · 计算机科学 2019-04-23 Nargiza Nosirova , Mingbin Xu , Hui Jiang

Named Entity Recognition is the task to locate and classify the entities in the text. However, Unlabeled Entity Problem in NER datasets seriously hinders the improvement of NER performance. This paper proposes SCL-RAI to cope with this…

计算与语言 · 计算机科学 2023-10-25 Shuzheng Si , Shuang Zeng , Jiaxing Lin , Baobao Chang

As the categories of named entities rapidly increase, the deployed NER models are required to keep updating toward recognizing more entity types, creating a demand for class-incremental learning for NER. Considering the privacy concerns and…

计算与语言 · 计算机科学 2023-07-25 Ruotian Ma , Xuanting Chen , Lin Zhang , Xin Zhou , Junzhe Wang , Tao Gui , Qi Zhang , Xiang Gao , Yunwen Chen

Recent studies in deep learning have shown significant progress in named entity recognition (NER). Most existing works assume clean data annotation, yet a fundamental challenge in real-world scenarios is the large amount of noise from a…

计算与语言 · 计算机科学 2021-04-13 Kun Liu , Yao Fu , Chuanqi Tan , Mosha Chen , Ningyu Zhang , Songfang Huang , Sheng Gao

Entity Matching (EM) is a core data cleaning task, aiming to identify different mentions of the same real-world entity. Active learning is one way to address the challenge of scarce labeled data in practice, by dynamically collecting the…

数据库 · 计算机科学 2020-03-31 Venkata Vamsikrishna Meduri , Lucian Popa , Prithviraj Sen , Mohamed Sarwat

Most named entity recognition (NER) systems focus on improving model performance, ignoring the need to quantify model uncertainty, which is critical to the reliability of NER systems in open environments. Evidential deep learning (EDL) has…

计算与语言 · 计算机科学 2023-05-30 Zhen Zhang , Mengting Hu , Shiwan Zhao , Minlie Huang , Haotian Wang , Lemao Liu , Zhirui Zhang , Zhe Liu , Bingzhe Wu