中文
相关论文

相关论文: A Prototypical Semantic Decoupling Method via Join…

200 篇论文

Few-shot Named Entity Recognition (NER) aims to extract named entities using only a limited number of labeled examples. Existing contrastive learning methods often suffer from insufficient distinguishability in context vector representation…

计算与语言 · 计算机科学 2024-05-09 Haojie Zhang , Yimeng Zhuang

The objective of few-shot named entity recognition is to identify named entities with limited labeled instances. Previous works have primarily focused on optimizing the traditional token-wise classification framework, while neglecting the…

Few-shot NER aims to identify entities of target types with only limited number of illustrative instances. Unfortunately, few-shot NER is severely challenged by the intrinsic precise generalization problem, i.e., it is hard to accurately…

计算与语言 · 计算机科学 2024-03-26 Jiawei Chen , Hongyu Lin , Xianpei Han , Yaojie Lu , Shanshan Jiang , Bin Dong , Le Sun

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 can identify new types of named entities based on a few labeled examples. Previous methods employing token-level or span-level metric learning suffer from the computational burden and a large number of…

计算与语言 · 计算机科学 2025-10-15 Congying Liu , Gaosheng Wang , Peipei Liu , Xingyuan Wei , Hongsong Zhu

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

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

Few-shot named entity recognition (NER) aims to recognize novel named entities in low-resource domains utilizing existing knowledge. However, the present few-shot NER models assume that the labeled data are all clean without noise or…

计算与语言 · 计算机科学 2023-12-14 Xiaojun Xue , Chunxia Zhang , Tianxiang Xu , Zhendong Niu

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…

This paper evaluates Few-Shot Prompting with Large Language Models for Named Entity Recognition (NER). Traditional NER systems rely on extensive labeled datasets, which are costly and time-consuming to obtain. Few-Shot Prompting or…

信息检索 · 计算机科学 2024-09-05 Hédi Zeghidi , Ludovic Moncla

Contrastive learning has become a popular solution for few-shot Name Entity Recognization (NER). The conventional configuration strives to reduce the distance between tokens with the same labels and increase the distance between tokens with…

计算与语言 · 计算机科学 2023-08-02 Mingchen Li , Yang Ye , Jeremy Yeung , Huixue Zhou , Huaiyuan Chu , Rui Zhang

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

Prompt-based language models have produced encouraging results in numerous applications, including Named Entity Recognition (NER) tasks. NER aims to identify entities in a sentence and provide their types. However, the strong performance of…

计算与语言 · 计算机科学 2023-08-08 Amirhossein Layegh , Amir H. Payberah , Ahmet Soylu , Dumitru Roman , Mihhail Matskin

We address the problem of few-shot semantic segmentation (FSS), which aims to segment novel class objects in a target image with a few annotated samples. Though recent advances have been made by incorporating prototype-based metric…

计算机视觉与模式识别 · 计算机科学 2021-11-10 Hyeongjun Kwon , Somi Jeong , Sunok Kim , Kwanghoon Sohn

Few-shot named entity recognition (NER) targets generalizing to unseen labels and/or domains with few labeled examples. Existing metric learning methods compute token-level similarities between query and support sets, but are not able to…

计算与语言 · 计算机科学 2022-11-09 Yanru Chen , Yanan Zheng , Zhilin Yang

Few-shot named entity recognition (NER) systems aim at recognizing novel-class named entities based on only a few labeled examples. In this paper, we present a decomposed meta-learning approach which addresses the problem of few-shot NER by…

计算与语言 · 计算机科学 2022-04-14 Tingting Ma , Huiqiang Jiang , Qianhui Wu , Tiejun Zhao , Chin-Yew Lin

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

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

Named-entity recognition (NER) is a task that typically requires large annotated datasets, which limits its applicability across domains with varying entity definitions. This paper addresses few-shot NER, aiming to transfer knowledge to new…

计算与语言 · 计算机科学 2024-12-13 Ayoub Hammal , Benno Uthayasooriyar , Caio Corro

Few-shot named entity recognition (NER) systems aims at recognizing new classes of entities based on a few labeled samples. A significant challenge in the few-shot regime is prone to overfitting than the tasks with abundant samples. The…

计算与语言 · 计算机科学 2023-05-04 Zhen Yang , Yongbin Liu , Chunping Ouyang
‹ 上一页 1 2 3 10 下一页 ›