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We study the problem of building entity tagging systems by using a few rules as weak supervision. Previous methods mostly focus on disambiguation entity types based on contexts and expert-provided rules, while assuming entity spans are…

Computation and Language · Computer Science 2021-07-07 Jiacheng Li , Haibo Ding , Jingbo Shang , Julian McAuley , Zhe Feng

Few-shot Named Entity Recognition (NER) exploits only a handful of annotations to identify and classify named entity mentions. Prototypical network shows superior performance on few-shot NER. However, existing prototypical methods fail to…

Computation and Language · Computer Science 2021-06-30 Meihan Tong , Shuai Wang , Bin Xu , Yixin Cao , Minghui Liu , Lei Hou , Juanzi Li

We cast nested named entity recognition (NNER) as a sequence labeling task by leveraging prior work that linearizes constituency structures, effectively reducing the complexity of this structured prediction problem to straightforward token…

Computation and Language · Computer Science 2025-09-30 Alberto Muñoz-Ortiz , David Vilares , Caio Corro , Carlos Gómez-Rodríguez

Few-shot named entity recognition (NER) aims at identifying named entities based on only few labeled instances. Current few-shot NER methods focus on leveraging existing datasets in the rich-resource domains which might fail in a…

Computation and Language · Computer Science 2022-10-14 Zeng Yang , Linhai Zhang , Deyu Zhou

Few-shot sequence labeling aims to identify novel classes based on only a few labeled samples. Existing methods solve the data scarcity problem mainly by designing token-level or span-level labeling models based on metric learning. However,…

Computation and Language · Computer Science 2023-07-21 Zifeng Cheng , Qingyu Zhou , Zhiwei Jiang , Xuemin Zhao , Yunbo Cao , Qing Gu

The information bottleneck (IB) principle has been proven effective in various NLP applications. The existing work, however, only used either generative or information compression models to improve the performance of the target task. In…

Computation and Language · Computer Science 2023-02-13 Nhung T. H. Nguyen , Makoto Miwa , Sophia Ananiadou

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…

Computation and Language · Computer Science 2023-08-29 Guanting Dong , Zechen Wang , Jinxu Zhao , Gang Zhao , Daichi Guo , Dayuan Fu , Tingfeng Hui , Chen Zeng , Keqing He , Xuefeng Li , Liwen Wang , Xinyue Cui , Weiran Xu

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…

Computation and Language · Computer Science 2024-02-05 Meishan Zhang , Bin Wang , Hao Fei , Min Zhang

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…

Computation and Language · Computer Science 2023-08-08 Amirhossein Layegh , Amir H. Payberah , Ahmet Soylu , Dumitru Roman , Mihhail Matskin

Few-shot semantic segmentation is vital for deep learning-based infrastructure inspection applications, where labeled training examples are scarce and expensive. Although existing deep learning frameworks perform well, the need for…

Computer Vision and Pattern Recognition · Computer Science 2025-10-08 Christina Thrainer , Md Meftahul Ferdaus , Mahdi Abdelguerfi , Christian Guetl , Steven Sloan , Kendall N. Niles , Ken Pathak

Entity recognition is a fundamental task in understanding document images. Traditional sequence labeling frameworks treat the entity types as class IDs and rely on extensive data and high-quality annotations to learn semantics which are…

Computation and Language · Computer Science 2022-04-13 Zilong Wang , Jingbo Shang

Few-shot named entity recognition (NER) aims at identifying named entities based on only few labeled instances. Most existing prototype-based sequence labeling models tend to memorize entity mentions which would be easily confused by close…

Computation and Language · Computer Science 2023-04-13 Guanting Dong , Zechen Wang , Liwen Wang , Daichi Guo , Dayuan Fu , Yuxiang Wu , Chen Zeng , Xuefeng Li , Tingfeng Hui , Keqing He , Xinyue Cui , Qixiang Gao , Weiran Xu

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…

Information Retrieval · Computer Science 2024-09-05 Hédi Zeghidi , Ludovic Moncla

In a surprising turn, Large Language Models (LLMs) together with a growing arsenal of prompt-based heuristics now offer powerful off-the-shelf approaches providing few-shot solutions to myriad classic NLP problems. However, despite…

Computation and Language · Computer Science 2023-06-21 Dhananjay Ashok , Zachary C. Lipton

Few-shot learning aims to recognize new categories using very few labeled samples. Although few-shot learning has witnessed promising development in recent years, most existing methods adopt an average operation to calculate prototypes,…

Computer Vision and Pattern Recognition · Computer Science 2021-08-26 Minglei Yuan , Wenhai Wang , Tao Wang , Chunhao Cai , Qian Xu , Tong Lu

Graph classification aims to extract accurate information from graph-structured data for classification and is becoming more and more important in graph learning community. Although Graph Neural Networks (GNNs) have been successfully…

Machine Learning · Computer Science 2020-06-24 Ning Ma , Jiajun Bu , Jieyu Yang , Zhen Zhang , Chengwei Yao , Zhi Yu , Sheng Zhou , Xifeng Yan

We present a bi-encoder framework for named entity recognition (NER), which applies contrastive learning to map candidate text spans and entity types into the same vector representation space. Prior work predominantly approaches NER as…

Computation and Language · Computer Science 2023-02-24 Sheng Zhang , Hao Cheng , Jianfeng Gao , Hoifung Poon

To mitigate the detection performance drop caused by domain shift, we aim to develop a novel few-shot adaptation approach that requires only a few target domain images with limited bounding box annotations. To this end, we first observe…

Computer Vision and Pattern Recognition · Computer Science 2019-03-25 Tao Wang , Xiaopeng Zhang , Li Yuan , Jiashi Feng

Few-shot node classification is tasked to provide accurate predictions for nodes from novel classes with only few representative labeled nodes. This problem has drawn tremendous attention for its projection to prevailing real-world…

Machine Learning · Computer Science 2022-12-13 Zhen Tan , Song Wang , Kaize Ding , Jundong Li , Huan Liu

Cross-lingual named entity recognition (NER) suffers from data scarcity in the target languages, especially under zero-shot settings. Existing translate-train or knowledge distillation methods attempt to bridge the language gap, but often…

Computation and Language · Computer Science 2022-11-18 Ran Zhou , Xin Li , Lidong Bing , Erik Cambria , Luo Si , Chunyan Miao