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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

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…

计算与语言 · 计算机科学 2025-08-12 Xiaobo Zhang , Congqing He , Ying He , Jian Peng , Dajie Fu , Tien-Ping Tan

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…

计算与语言 · 计算机科学 2022-03-10 Chao Lou , Songlin Yang , Kewei Tu

Named Entity Recognition (NER) is a key component in NLP systems for question answering, information retrieval, relation extraction, etc. NER systems have been studied and developed widely for decades, but accurate systems using deep neural…

计算与语言 · 计算机科学 2019-12-12 Vikas Yadav , Steven Bethard

Identifying named entities such as a person, location or organization, in documents can highlight key information to readers. Training Named Entity Recognition (NER) models requires an annotated data set, which can be a time-consuming…

计算与语言 · 计算机科学 2022-12-20 Ting Wai Terence Au , Ingemar J. Cox , Vasileios Lampos

Recent years have seen the paradigm shift of Named Entity Recognition (NER) systems from sequence labeling to span prediction. Despite its preliminary effectiveness, the span prediction model's architectural bias has not been fully…

计算与语言 · 计算机科学 2021-06-08 Jinlan Fu , Xuanjing Huang , Pengfei Liu

Named Entity Recognition (NER) is a fundamental task in the fields of natural language processing and information extraction. NER has been widely used as a standalone tool or an essential component in a variety of applications such as…

计算与语言 · 计算机科学 2020-11-25 Vladislav Mikhailov , Tatiana Shavrina

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…

计算与语言 · 计算机科学 2019-06-05 Nicky Ringland , Xiang Dai , Ben Hachey , Sarvnaz Karimi , Cecile Paris , James R. Curran

Recognizing entities in texts is a central need in many information-seeking scenarios, and indeed, Named Entity Recognition (NER) is arguably one of the most successful examples of a widely adopted NLP task and corresponding NLP technology.…

计算与语言 · 计算机科学 2023-10-24 Uri Katz , Matan Vetzler , Amir DN Cohen , Yoav Goldberg

When extracting information from handwritten documents, text transcription and named entity recognition are usually faced as separate subsequent tasks. This has the disadvantage that errors in the first module affect heavily the performance…

计算机视觉与模式识别 · 计算机科学 2018-03-23 Manuel Carbonell , Mauricio Villegas , Alicia Fornés , Josep Lladós

Previous studies have shown that linguistic features of a word such as possession, genitive or other grammatical cases can be employed in word representations of a named entity recognition (NER) tagger to improve the performance for…

计算与语言 · 计算机科学 2019-11-12 Onur Güngör , Suzan Üsküdarlı , Tunga Güngör

This paper addresses Named Entity Recognition (NER) in the domain of Vocational Education and Training (VET), focusing on historical, digitized documents that suffer from OCR-induced noise. We propose a robust NER approach leveraging…

计算与语言 · 计算机科学 2026-01-05 Alexander M. Esser , Jens Dörpinghaus

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…

计算与语言 · 计算机科学 2022-11-08 Yuan Sui , Fanyang Bu , Yingting Hu , Wei Yan , Liang Zhang

Named entity recognition (NER) is a crucial task that aims to identify structured information, which is often replete with complex, technical terms and a high degree of variability. Accurate and reliable NER can facilitate the extraction…

计算与语言 · 计算机科学 2024-10-21 Grace Yang , Zhiyi Li , Yadong Liu , Jungyeul Park

This paper presents a comprehensive study to efficiently build named entity recognition (NER) systems when a small number of in-domain labeled data is available. Based upon recent Transformer-based self-supervised pre-trained language…

Named entity recognition (NER) has been one of the essential preliminary steps in modern NLP applications. This report focuses on implementing the NER task on finetuning two pretrained models: (i) an encoder-only model (BERT) with a simple…

计算与语言 · 计算机科学 2026-05-19 Mei Jia

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…

计算与语言 · 计算机科学 2019-11-05 Yuxian Meng , Xiaoya Li , Zijun Sun , Jiwei Li

The recognition of named entities in visually-rich documents (VrD-NER) plays a critical role in various real-world scenarios and applications. However, the research in VrD-NER faces three major challenges: complex document layouts,…

计算与语言 · 计算机科学 2024-08-13 Yi Tu , Chong Zhang , Ya Guo , Huan Chen , Jinyang Tang , Huijia Zhu , Qi Zhang

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…

计算与语言 · 计算机科学 2025-05-06 Mo Sun , Siheng Xiong , Yuankai Cai , Bowen Zuo

This work investigates multiple approaches to Named Entity Recognition (NER) for text in Electronic Health Record (EHR) data. In particular, we look into the application of (i) rule-based, (ii) deep learning and (iii) transfer learning…