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For many natural language processing (NLP) tasks the amount of annotated data is limited. This urges a need to apply semi-supervised learning techniques, such as transfer learning or meta-learning. In this work we tackle Named Entity…

计算与语言 · 计算机科学 2018-12-18 Alexander Fritzler , Varvara Logacheva , Maksim Kretov

Few-shot Named Entity Recognition (NER), the task of identifying named entities with only a limited amount of labeled data, has gained increasing significance in natural language processing. While existing methodologies have shown some…

计算与语言 · 计算机科学 2024-08-26 Yafeng Zhang , Zilan Yu , Yuang Huang , Jing Tang

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

We study the problem of few-shot Fine-grained Entity Typing (FET), where only a few annotated entity mentions with contexts are given for each entity type. Recently, prompt-based tuning has demonstrated superior performance to standard…

计算与语言 · 计算机科学 2022-06-29 Jiaxin Huang , Yu Meng , Jiawei Han

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) aims to extract and classify entity mentions in the text into pre-defined types (e.g., organization or person name). Recently, many works have been proposed to shape the NER as a machine reading comprehension…

计算与语言 · 计算机科学 2023-09-21 Yibo Wang , Wenting Zhao , Yao Wan , Zhongfen Deng , Philip S. Yu

Few-shot named entity recognition (NER) enables us to build a NER system for a new domain using very few labeled examples. However, existing prototypical networks for this task suffer from roughly estimated label dependency and closely…

计算与语言 · 计算机科学 2022-08-18 Bin Ji , Shasha Li , Shaoduo Gan , Jie Yu , Jun Ma , Huijun Liu

State of the art Named Entity Recognition (NER) models have achieved an impressive ability to extract common phrases from text that belong to labels such as location, organization, time, and person. However, typical NER systems that rely on…

计算与语言 · 计算机科学 2024-01-24 Alexandra Loessberg-Zahl

Named entity recognition (NER) is a vital task in spoken language understanding, which aims to identify mentions of named entities in text e.g., from transcribed speech. Existing neural models for NER rely mostly on dedicated word-level…

计算与语言 · 计算机科学 2019-09-24 Abdalghani Abujabal , Judith Gaspers

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 with correctly detecting and classifying entities,…

信息检索 · 计算机科学 2017-10-31 Diego Esteves , Rafael Peres , Jens Lehmann , Giulio Napolitano

Named entity recognition (NER) identifies typed entity mentions in raw text. While the task is well-established, there is no universally used tagset: often, datasets are annotated for use in downstream applications and accordingly only…

计算与语言 · 计算机科学 2019-10-08 Xiao Huang , Li Dong , Elizabeth Boschee , Nanyun Peng

Named entity recognition (NER) is a fundamental task in numerous downstream applications. Recently, researchers have employed pre-trained language models (PLMs) and large language models (LLMs) to address this task. However, fully…

计算与语言 · 计算机科学 2025-10-30 Yufei Zhao , Xiaoshi Zhong , Erik Cambria , Jagath C. Rajapakse

Supervised named entity recognition (NER) in the biomedical domain depends on large sets of annotated texts with the given named entities. The creation of such datasets can be time-consuming and expensive, while extraction of new entities…

计算与语言 · 计算机科学 2024-08-27 Miloš Košprdić , Nikola Prodanović , Adela Ljajić , Bojana Bašaragin , Nikola Milošević

Named Entity Recognition (NER) is a critical task that requires substantial annotated data, making it challenging in low-resource scenarios where label acquisition is expensive. While zero-shot and instruction-tuned approaches have made…

计算与语言 · 计算机科学 2025-10-21 Nanda Kumar Rengarajan , Jun Yan , Chun Wang

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…

计算与语言 · 计算机科学 2023-05-23 Mozhi Zhang , Hang Yan , Yaqian Zhou , Xipeng Qiu

Few-shot Named Entity Recognition (NER) is imperative for entity tagging in limited resource domains and thus received proper attention in recent years. Existing approaches for few-shot NER are evaluated mainly under in-domain settings. In…

计算与语言 · 计算机科学 2023-12-27 Linyi Yang , Lifan Yuan , Leyang Cui , Wenyang Gao , Yue Zhang

Supervised machine learning assumes the availability of fully-labeled data, but in many cases, such as low-resource languages, the only data available is partially annotated. We study the problem of Named Entity Recognition (NER) with…

计算与语言 · 计算机科学 2019-09-23 Stephen Mayhew , Snigdha Chaturvedi , Chen-Tse Tsai , Dan Roth

Few-shot Named Entity Recognition (NER) aims to identify named entities with very little annotated data. Previous methods solve this problem based on token-wise classification, which ignores the information of entity boundaries, and…

计算与语言 · 计算机科学 2022-11-22 Jianing Wang , Chengcheng Han , Chengyu Wang , Chuanqi Tan , Minghui Qiu , Songfang Huang , Jun Huang , Ming Gao

Despite the huge and continuous advances in computational linguistics, the lack of annotated data for Named Entity Recognition (NER) is still a challenging issue, especially in low-resource languages and when domain knowledge is required…

计算与语言 · 计算机科学 2021-11-25 Valerio La Gatta , Vincenzo Moscato , Marco Postiglione , Giancarlo Sperlì

Named Entity Recognition (NER) is a critical component of Natural Language Processing with diverse applications in information extraction and conversational AI. However, NER in specific domains for low-resource languages faces challenges…

计算工程、金融与科学 · 计算机科学 2026-05-07 Do Minh Duc , Quan Xuan Truong , Viet Tran Hong , Le Hoang Anh , Mac Thi Minh Tra , Nguyen Van Thuy , Le Hai Ha , Vinh Nguyen Van