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Few-shot learning aims to learn a classifier using a few labelled instances for each class. Metric-learning approaches for few-shot learning embed instances into a high-dimensional space and conduct classification based on distances among…

Computer Vision and Pattern Recognition · Computer Science 2021-06-18 Fangbing Liu , Qing Wang

Current event detection models under super-vised learning settings fail to transfer to newevent types. Few-shot learning has not beenexplored in event detection even though it al-lows a model to perform well with high gener-alization on new…

Computation and Language · Computer Science 2020-06-19 Viet Dac Lai , Franck Dernoncourt , Thien Huu Nguyen

In this paper, we propose a novel edge-labeling graph neural network (EGNN), which adapts a deep neural network on the edge-labeling graph, for few-shot learning. The previous graph neural network (GNN) approaches in few-shot learning have…

Machine Learning · Computer Science 2019-05-07 Jongmin Kim , Taesup Kim , Sungwoong Kim , Chang D. Yoo

Deep Neural Networks (DNNs) suffer from a rapid decrease in performance when trained on a sequence of tasks where only data of the most recent task is available. This phenomenon, known as catastrophic forgetting, prevents DNNs from…

Machine Learning · Computer Science 2021-04-22 Felix Wiewel , Bin Yang

Few-shot Continual Event Detection (FCED) poses the dual challenges of learning from limited data and mitigating catastrophic forgetting across sequential tasks. Existing approaches often suffer from severe forgetting due to the full…

Machine Learning · Computer Science 2025-09-30 Bao-Ngoc Dao , Quang Nguyen , Luyen Ngo Dinh , Minh Le , Linh Ngo Van

This paper presents a novel method for labeling real-world neuromorphic camera sensor data by calculating the likelihood of generating an event at each pixel within a short time window, which we refer to as "event probability mask" or EPM.…

Computer Vision and Pattern Recognition · Computer Science 2020-03-24 R. Wes Baldwin , Mohammed Almatrafi , Vijayan Asari , Keigo Hirakawa

While deep learning has achieved remarkable results on various applications, it is usually data hungry and struggles to learn over non-stationary data stream. To solve these two limits, the deep learning model should not only be able to…

Machine Learning · Computer Science 2019-09-05 Canyu Le , Xihan Wei , Biao Wang , Lei Zhang , Zhonggui Chen

Event Detection (ED) aims to recognize instances of specified types of event triggers in text. Different from English ED, Chinese ED suffers from the problem of word-trigger mismatch due to the uncertain word boundaries. Existing approaches…

Computation and Language · Computer Science 2023-01-05 Shiyao Cui , Bowen Yu , Xin Cong , Tingwen Liu , Quangang Li , Jinqiao Shi

Fake news travels at unprecedented speeds, reaches global audiences and puts users and communities at great risk via social media platforms. Deep learning based models show good performance when trained on large amounts of labeled data on…

Information Retrieval · Computer Science 2021-06-28 Yaqing Wang , Fenglong Ma , Haoyu Wang , Kishlay Jha , Jing Gao

Event detection (ED), a key subtask of information extraction, aims to recognize instances of specific event types in text. Previous studies on the task have verified the effectiveness of integrating syntactic dependency into graph…

Computation and Language · Computer Science 2020-09-30 Shiyao Cui , Bowen Yu , Tingwen Liu , Zhenyu Zhang , Xuebin Wang , Jinqiao Shi

We study the problem of event extraction from text data, which requires both detecting target event types and their arguments. Typically, both the event detection and argument detection subtasks are formulated as supervised sequence…

Computation and Language · Computer Science 2020-10-23 Rui Feng , Jie Yuan , Chao Zhang

Few-shot natural language processing (NLP) refers to NLP tasks that are accompanied with merely a handful of labeled examples. This is a real-world challenge that an AI system must learn to handle. Usually we rely on collecting more…

Computation and Language · Computer Science 2020-07-21 Wenpeng Yin

Few-shot NER needs to effectively capture information from limited instances and transfer useful knowledge from external resources. In this paper, we propose a self-describing mechanism for few-shot NER, which can effectively leverage…

Computation and Language · Computer Science 2022-03-24 Jiawei Chen , Qing Liu , Hongyu Lin , Xianpei Han , Le Sun

Currently, the state-of-the-art methods treat few-shot semantic segmentation task as a conditional foreground-background segmentation problem, assuming each class is independent. In this paper, we introduce the concept of meta-class, which…

Computer Vision and Pattern Recognition · Computer Science 2021-08-17 Zhonghua Wu , Xiangxi Shi , Guosheng lin , Jianfei Cai

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…

Computation and Language · Computer Science 2022-11-09 Yanru Chen , Yanan Zheng , Zhilin Yang

Existing approaches on zero-shot event detection usually train models on datasets annotated with known event types, and prompt them with unseen event definitions. These approaches yield sporadic successes, yet generally fall short of…

Computation and Language · Computer Science 2024-03-06 Zefan Cai , Po-Nien Kung , Ashima Suvarna , Mingyu Derek Ma , Hritik Bansal , Baobao Chang , P. Jeffrey Brantingham , Wei Wang , Nanyun Peng

The training of deep-learning-based text classification models relies heavily on a huge amount of annotation data, which is difficult to obtain. When the labeled data is scarce, models tend to struggle to achieve satisfactory performance.…

Computation and Language · Computer Science 2020-04-07 Dianbo Sui , Yubo Chen , Binjie Mao , Delai Qiu , Kang Liu , Jun Zhao

Named Entity Recognition (NER) is a challenging and widely studied task that involves detecting and typing entities in text. So far,NER still approaches entity typing as a task of classification into universal classes (e.g. date, person, or…

Computation and Language · Computer Science 2023-02-22 Tristan Luiggi , Laure Soulier , Vincent Guigue , Siwar Jendoubi , Aurélien Baelde

A variety of machine learning applications expect to achieve rapid learning from a limited number of labeled data. However, the success of most current models is the result of heavy training on big data. Meta-learning addresses this problem…

Machine Learning · Computer Science 2019-06-04 Lu Liu , Tianyi Zhou , Guodong Long , Jing Jiang , Lina Yao , Chengqi Zhang

The memory physics induced unknown offset of the channel is a critical and difficult issue to be tackled for many non-volatile memories (NVMs). In this paper, we first propose novel neural network (NN) detectors by using the multilayer…

Information Theory · Computer Science 2019-02-19 Zhen Mei , Kui Cai , Xingwei Zhong
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