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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

Span-based joint extraction simultaneously conducts named entity recognition (NER) and relation extraction (RE) in text span form. Recent studies have shown that token labels can convey crucial task-specific information and enrich token…

计算与语言 · 计算机科学 2022-07-19 Bin Ji , Shasha Li , Jie Yu , Jun Ma , Huijun Liu

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

Fine-tuning pre-trained language models has recently become a common practice in building NLP models for various tasks, especially few-shot tasks. We argue that under the few-shot setting, formulating fine-tuning closer to the pre-training…

计算与语言 · 计算机科学 2022-11-01 Zihan Wang , Kewen Zhao , Zilong Wang , Jingbo Shang

Fine-Grained Named Entity Typing (FG-NET) is a key component in Natural Language Processing (NLP). It aims at classifying an entity mention into a wide range of entity types. Due to a large number of entity types, distant supervision is…

计算与语言 · 计算机科学 2020-04-08 Muhammad Asif Ali , Yifang Sun , Bing Li , Wei Wang

We introduce FewTopNER, a novel framework that integrates few-shot named entity recognition (NER) with topic-aware contextual modeling to address the challenges of cross-lingual and low-resource scenarios. FewTopNER leverages a shared…

计算与语言 · 计算机科学 2025-02-05 Ibrahim Bouabdallaoui , Fatima Guerouate , Samya Bouhaddour , Chaimae Saadi , Mohammed Sbihi

Named entity recognition (NER) is a widely applicable natural language processing task and building block of question answering, topic modeling, information retrieval, etc. In the medical domain, NER plays a crucial role by extracting…

计算与语言 · 计算机科学 2020-11-13 Veysel Kocaman , David Talby

Spoken named entity recognition (NER) aims to identify named entities from speech, playing an important role in speech processing. New named entities appear every day, however, annotating their Spoken NER data is costly. In this paper, we…

计算与语言 · 计算机科学 2024-12-30 Jiawei Yu , Xiang Geng , Yuang Li , Mengxin Ren , Wei Tang , Jiahuan Li , Zhibin Lan , Min Zhang , Hao Yang , Shujian Huang , Jinsong Su

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

Motivation: Biomedical named-entity normalization involves connecting biomedical entities with distinct database identifiers in order to facilitate data integration across various fields of biology. Existing systems for biomedical named…

计算与语言 · 计算机科学 2023-10-24 Zainab Awan , Tim Kahlke , Peter Ralph , Paul Kennedy

Most state-of-the-art models for named entity recognition (NER) rely on the availability of large amounts of labeled data, making them challenging to extend to new, lower-resourced languages. However, there are now several proposed…

计算与语言 · 计算机科学 2019-08-27 Aditi Chaudhary , Jiateng Xie , Zaid Sheikh , Graham Neubig , Jaime G. Carbonell

Named Entity Recognition (NER) and Entity Linking (EL) play an essential role in voice assistant interaction, but are challenging due to the special difficulties associated with spoken user queries. In this paper, we propose a novel…

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

Named Entity Recognition (NER) in Few-Shot setting is imperative for entity tagging in low resource domains. Existing approaches only learn class-specific semantic features and intermediate representations from source domains. This affects…

计算与语言 · 计算机科学 2022-03-29 Sarkar Snigdha Sarathi Das , Arzoo Katiyar , Rebecca J. Passonneau , Rui Zhang

Clinical Named Entity Recognition (CNER) aims to identify and classify clinical terms such as diseases, symptoms, treatments, exams, and body parts in electronic health records, which is a fundamental and crucial task for clinical and…

计算与语言 · 计算机科学 2018-04-16 Qi Wang , Yuhang Xia , Yangming Zhou , Tong Ruan , Daqi Gao , Ping He

We present a simple few-shot named entity recognition (NER) system based on nearest neighbor learning and structured inference. Our system uses a supervised NER model trained on the source domain, as a feature extractor. Across several test…

计算与语言 · 计算机科学 2020-10-07 Yi Yang , Arzoo Katiyar

With the AI revolution in place, the trend for building automated systems to support professionals in different domains such as the open source software systems, healthcare systems, banking systems, transportation systems and many others…

计算与语言 · 计算机科学 2024-06-21 Somnath Banerjee , Avik Dutta , Aaditya Agrawal , Rima Hazra , Animesh Mukherjee

Named Entity Recognition (NER) is a fundamental task in Natural Language Processing (NLP) that plays a crucial role in information extraction, question answering, and knowledge-based systems. Traditional deep learning-based NER models often…

计算与语言 · 计算机科学 2025-03-21 Heming Zhang , Wenyu Li , Di Huang , Yinjie Tang , Yixin Chen , Philip Payne , Fuhai Li

Named Entity Recognition (NER) is a useful component in Natural Language Processing (NLP) applications. It is used in various tasks such as Machine Translation, Summarization, Information Retrieval, and Question-Answering systems. The…

We propose two neural network architectures for nested named entity recognition (NER), a setting in which named entities may overlap and also be labeled with more than one label. We encode the nested labels using a linearized scheme. In our…

计算与语言 · 计算机科学 2019-08-20 Jana Straková , Milan Straka , Jan Hajič