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Traditional continual event detection relies on abundant labeled data for training, which is often impractical to obtain in real-world applications. In this paper, we introduce continual few-shot event detection (CFED), a more commonly…

计算与语言 · 计算机科学 2024-03-27 Chenlong Zhang , Pengfei Cao , Yubo Chen , Kang Liu , Zhiqiang Zhang , Mengshu Sun , Jun Zhao

Modern federated networks, such as those comprised of wearable devices, mobile phones, or autonomous vehicles, generate massive amounts of data each day. This wealth of data can help to learn models that can improve the user experience on…

Event detection (ED) aims at detecting event trigger words in sentences and classifying them into specific event types. In real-world applications, ED typically does not have sufficient labelled data, thus can be formulated as a few-shot…

计算与语言 · 计算机科学 2021-06-01 Shirong Shen , Tongtong Wu , Guilin Qi , Yuan-Fang Li , Gholamreza Haffari , Sheng Bi

Event detection tasks can enable the quick detection of events from texts and provide powerful support for downstream natural language processing tasks. Most such methods can only detect a fixed set of predefined event classes. To extend…

计算与语言 · 计算机科学 2023-05-05 Hao Wang , Hanwen Shi , Jianyong Duan

Semi-supervised learning has emerged as a promising approach to tackle the challenge of label scarcity in facial expression recognition (FER) task. However, current state-of-the-art methods primarily focus on one side of the coin, i.e.,…

计算机视觉与模式识别 · 计算机科学 2025-02-04 Fan Zhang , Zhi-Qi Cheng , Jian Zhao , Xiaojiang Peng , Xuelong Li

Conventional supervised learning assumes a stable input-output relationship. However, this assumption fails in open-ended training settings where the input-output relationship depends on hidden contexts. In this work, we formulate a more…

机器学习 · 计算机科学 2025-02-14 Tianren Zhang , Yizhou Jiang , Feng Chen

Existing attribute-value extraction (AVE) models require large quantities of labeled data for training. However, new products with new attribute-value pairs enter the market every day in real-world e-Commerce. Thus, we formulate AVE in…

信息检索 · 计算机科学 2023-08-17 Jiaying Gong , Wei-Te Chen , Hoda Eldardiry

Industrial financial systems operate on temporal event sequences such as transactions, user actions, and system logs. While recent research emphasizes representation learning and large language models, production systems continue to rely…

Operational networks commonly rely on machine learning models for many tasks, including detecting anomalies, inferring application performance, and forecasting demand. Yet, model accuracy can degrade due to concept drift, whereby the…

网络与互联网体系结构 · 计算机科学 2023-10-02 Shinan Liu , Francesco Bronzino , Paul Schmitt , Arjun Nitin Bhagoji , Nick Feamster , Hector Garcia Crespo , Timothy Coyle , Brian Ward

We study few-shot acoustic event detection (AED) in this paper. Few-shot learning enables detection of new events with very limited labeled data. Compared to other research areas like computer vision, few-shot learning for audio recognition…

机器学习 · 计算机科学 2020-02-24 Bowen Shi , Ming Sun , Krishna C. Puvvada , Chieh-Chi Kao , Spyros Matsoukas , Chao Wang

The challenges of training and inference in few-shot environments persist in the area of graph representation learning. The quality and quantity of labels are often insufficient due to the extensive expert knowledge required to annotate…

机器学习 · 计算机科学 2026-03-03 Chao Chen , Xujia Li , Dongsheng Hong , Shanshan Lin , Xiangwen Liao , Chuanyi Liu , Lei Chen

Recent years have witnessed a burgeoning interest in federated learning (FL). However, the contexts in which clients engage in sequential learning remain under-explored. Bridging FL and continual learning (CL) gives rise to a challenging…

With emerging online topics as a source for numerous new events, detecting unseen / rare event types presents an elusive challenge for existing event detection methods, where only limited data access is provided for training. To address the…

计算与语言 · 计算机科学 2023-05-30 Zhenrui Yue , Huimin Zeng , Mengfei Lan , Heng Ji , Dong Wang

Continual learning aims to learn a sequence of tasks from dynamic data distributions. Without accessing to the old training samples, knowledge transfer from the old tasks to each new task is difficult to determine, which might be either…

机器学习 · 计算机科学 2021-11-08 Liyuan Wang , Mingtian Zhang , Zhongfan Jia , Qian Li , Chenglong Bao , Kaisheng Ma , Jun Zhu , Yi Zhong

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…

计算与语言 · 计算机科学 2020-06-19 Viet Dac Lai , Franck Dernoncourt , Thien Huu Nguyen

Federated learning (FL) enables collaborative model training across distributed clients while preserving data privacy. However, data and system heterogeneity often cause catastrophic forgetting and unbounded drift in model updates, leading…

机器学习 · 计算机科学 2026-04-28 Taehwan Yoon , Bongjun Choi , Wesley De Neve

Few-shot learning is a challenging problem where the goal is to achieve generalization from only few examples. Model-agnostic meta-learning (MAML) tackles the problem by formulating prior knowledge as a common initialization across tasks,…

机器学习 · 计算机科学 2020-06-17 Sungyong Baik , Seokil Hong , Kyoung Mu Lee

Federated Learning (FL) is a distributed machine learning paradigm which coordinates multiple clients to collaboratively train a global model via a central server. Sequential Federated Learning (SFL) is a newly-emerging FL training…

机器学习 · 计算机科学 2025-07-14 Haotian Xu , Jinrui Zhou , Xichong Zhang , Mingjun Xiao , He Sun , Yin Xu

Federated Learning (FL) enables collaborative model training across decentralized clients without sharing raw data, yet faces significant challenges in real-world settings where client data distributions evolve dynamically over time. This…

机器学习 · 计算机科学 2025-09-26 Rahul Atul Bhope , K. R. Jayaram , Praveen Venkateswaran , Nalini Venkatasubramanian

Class-incremental learning is becoming more popular as it helps models widen their applicability while not forgetting what they already know. A trend in this area is to use a mixture-of-expert technique, where different models work together…

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