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We present a novel approach to named entity recognition (NER) in the presence of scarce data that we call example-based NER. Our train-free few-shot learning approach takes inspiration from question-answering to identify entity spans in a…

计算与语言 · 计算机科学 2020-08-25 Morteza Ziyadi , Yuting Sun , Abhishek Goswami , Jade Huang , Weizhu Chen

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…

神经与进化计算 · 计算机科学 2017-12-07 Mahdi Namazifar

Named entity recognition (NER) task aims at identifying entities from a piece of text that belong to predefined semantic types such as person, location, organization, etc. The state-of-the-art solutions for flat entities NER commonly suffer…

计算与语言 · 计算机科学 2022-08-08 Jianlin Su , Ahmed Murtadha , Shengfeng Pan , Jing Hou , Jun Sun , Wanwei Huang , Bo Wen , Yunfeng Liu

Fine-grained entity type classification (FETC) is the task of classifying an entity mention to a broad set of types. Distant supervision paradigm is extensively used to generate training data for this task. However, generated training data…

计算与语言 · 计算机科学 2017-02-23 Abhishek , Ashish Anand , Amit Awekar

Speech Entity Linking aims to recognize and disambiguate named entities in spoken languages. Conventional methods suffer gravely from the unfettered speech styles and the noisy transcripts generated by ASR systems. In this paper, we propose…

计算与语言 · 计算机科学 2022-09-30 Shen Huang , Yuchen Zhai , Xinwei Long , Yong Jiang , Xiaobin Wang , Yin Zhang , Pengjun Xie

The aim of this paper is to propose a method for tagging named entities (NE), using natural language processing techniques. Beyond their literal meaning, named entities are frequently subject to metonymy. We show the limits of current NE…

人工智能 · 计算机科学 2007-12-08 Thierry Poibeau

Named entity recognition (NER) stands as a fundamental and pivotal task within the realm of Natural Language Processing. Particularly within the domain of Biomedical Method NER, this task presents notable challenges, stemming from the…

计算与语言 · 计算机科学 2024-07-01 Chen Tang , Bohao Yang , Kun Zhao , Bo Lv , Chenghao Xiao , Frank Guerin , Chenghua Lin

Nested Named Entity Recognition (NNER) focuses on addressing overlapped entity recognition. Compared to Flat Named Entity Recognition (FNER), annotated resources are scarce in the corpus for NNER. Data augmentation is an effective approach…

计算与语言 · 计算机科学 2024-06-19 Xingming Liao , Nankai Lin , Haowen Li , Lianglun Cheng , Zhuowei Wang , Chong Chen

In recent years, the rise of large language models (LLMs) has made it possible to directly achieve named entity recognition (NER) without any demonstration samples or only using a few samples through in-context learning (ICL). However,…

计算与语言 · 计算机科学 2024-06-18 Guochao Jiang , Zepeng Ding , Yuchen Shi , Deqing Yang

Named entity recognition (NER) is one of the tasks in natural language processing that can greatly benefit from the use of external knowledge sources. We propose a named entity recognition framework composed of knowledge-based feature…

计算与语言 · 计算机科学 2019-06-07 Sławomir Dadas

Although named entity recognition (NER) helps us to extract domain-specific entities from text (e.g., artists in the music domain), it is costly to create a large amount of training data or a structured knowledge base to perform accurate…

计算与语言 · 计算机科学 2023-06-07 Kosuke Nishida , Naoki Yoshinaga , Kyosuke Nishida

Named Entity Recognition (NER) is an important task in natural language processing. However, traditional supervised NER requires large-scale annotated datasets. Distantly supervision is proposed to alleviate the massive demand for datasets,…

计算与语言 · 计算机科学 2022-08-08 Wentao Kang , Guijun Zhang , Xiao Fu

Named Entity Recognition (NER) is a fundamental problem in natural language processing (NLP). However, the task of extracting longer entity spans (e.g., awards) from extended texts (e.g., homepages) is barely explored. Current NER methods…

计算与语言 · 计算机科学 2025-02-12 Yelin Chen , Fanjin Zhang , Jie Tang

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

This paper describes an approach for automatic construction of dictionaries for Named Entity Recognition (NER) using large amounts of unlabeled data and a few seed examples. We use Canonical Correlation Analysis (CCA) to obtain lower…

计算与语言 · 计算机科学 2015-04-28 Arvind Neelakantan , Michael Collins

In nested Named entity recognition (NER), entities are nested with each other, and thus requiring more data annotations to address. This leads to the development of few-shot nested NER, where the prevalence of pretrained language models…

计算与语言 · 计算机科学 2024-02-05 Meishan Zhang , Bin Wang , Hao Fei , Min Zhang

Training a Named Entity Recognition (NER) model often involves fixing a taxonomy of entity types. However, requirements evolve and we might need the NER model to recognize additional entity types. A simple approach is to re-annotate entire…

Named entity recognition (NER) is an important research problem in natural language processing. There are three types of NER tasks, including flat, nested and discontinuous entity recognition. Most previous sequential labeling models are…

计算与语言 · 计算机科学 2023-03-21 Ying Mo , Hongyin Tang , Jiahao Liu , Qifan Wang , Zenglin Xu , Jingang Wang , Wei Wu , Zhoujun Li

Accurate Named Entity Recognition (NER) is crucial for various information retrieval tasks in industry. However, despite significant progress in traditional NER methods, the extraction of Complex Named Entities remains a relatively…

信息检索 · 计算机科学 2023-05-11 Hsiu-Wei Yang , Abhinav Agrawal

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