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Self-evolving memory serves as the trainable parameters for Large Language Models (LLMs)-based agents, where extraction (distilling insights from experience) and management (updating the memory bank) must be tightly coordinated. Existing…

计算与语言 · 计算机科学 2026-02-12 Yongshi Ye , Hui Jiang , Feihu Jiang , Tian Lan , Yichao Du , Biao Fu , Xiaodong Shi , Qianghuai Jia , Longyue Wang , Weihua Luo

The detection of anomalies in non-stationary time-series streams is a critical but challenging task across numerous industrial and scientific domains. Traditional models, trained offline, suffer significant performance degradation when…

机器学习 · 计算机科学 2025-09-01 Ashok Devireddy , Shunping Huang

Large Language Models (LLMs) struggle to handle long input sequences due to high memory and runtime costs. Memory-augmented models have emerged as a promising solution to this problem, but current methods are hindered by limited memory…

计算与语言 · 计算机科学 2024-02-22 Zexue He , Leonid Karlinsky , Donghyun Kim , Julian McAuley , Dmitry Krotov , Rogerio Feris

Traditional time series models are task-specific and often depend on dataset-specific training and extensive feature engineering. While Transformer-based architectures have improved scalability, foundation models, commonplace in text,…

机器学习 · 计算机科学 2025-05-21 Utsav Dutta , Sina Khoshfetrat Pakazad , Henrik Ohlsson

Recent work has shown that memory modules are crucial for the generalization ability of neural networks on learning simple algorithms. However, we still have little understanding of the working mechanism of memory modules. To alleviate this…

机器学习 · 计算机科学 2019-07-02 Kexin Wang , Yu Zhou , Shaonan Wang , Jiajun Zhang , Chengqing Zong

LLM-based agents have been extensively applied across various domains, where memory stands out as one of their most essential capabilities. Previous memory mechanisms of LLM-based agents are manually predefined by human experts, leading to…

机器学习 · 计算机科学 2025-08-26 Zeyu Zhang , Quanyu Dai , Rui Li , Xiaohe Bo , Xu Chen , Zhenhua Dong

Transparent models, which provide inherently interpretable predictions, are receiving significant attention in high-stakes domains. However, despite much real-world data being collected as time series, there is a lack of studies on…

机器学习 · 计算机科学 2025-12-17 Minkyu Kim , Suan Lee , Jinho Kim

The Transformer architecture, underpinned by the self-attention mechanism, has become the de facto standard for sequence modeling tasks. However, its core computational primitive scales quadratically with sequence length (O(N^2)), creating…

计算与语言 · 计算机科学 2025-09-03 Rishiraj Acharya

Abnormal event detection is a challenging task that requires effectively handling intricate features of appearance and motion. In this paper, we present an approach of detecting anomalies in videos by learning a novel LSTM based…

计算机视觉与模式识别 · 计算机科学 2021-04-06 Habtamu Fanta , Zhiwen Shao , Lizhuang Ma

Deep learning techniques have recently shown promise in the field of anomaly detection, providing a flexible and effective method of modelling systems in comparison to traditional statistical modelling and signal processing-based methods.…

机器学习 · 计算机科学 2024-10-28 Ayman Elhalwagy , Tatiana Kalganova

Foundation models have achieved remarkable success across diverse machine-learning domains through large-scale pretraining on large, diverse datasets. However, pretraining on such datasets introduces significant challenges due to…

机器学习 · 计算机科学 2025-04-16 Peiliang Gong , Emadeldeen Eldele , Min Wu , Zhenghua Chen , Xiaoli Li , Daoqiang Zhang

Incipient fault detection in power distribution systems is crucial to improve the reliability of the grid. However, the non-stationary nature and the inadequacy of the training dataset due to the self-recovery of the incipient fault signal,…

信号处理 · 电气工程与系统科学 2023-02-21 Qiyue Li , Huan Luo , Hong Cheng , Yuxing Deng , Wei Sun , Weitao Li , Zhi Liu

In the domain of machine learning, Neural Memory Networks (NMNs) have recently achieved impressive results in a variety of application areas including visual question answering, trajectory prediction, object tracking, and language…

Foundation models pre-trained on large-scale source datasets are reshaping the traditional training paradigm for time series classification. However, existing time series foundation models primarily focus on forecasting tasks and often…

机器学习 · 计算机科学 2026-01-13 Zhen Liu , Yucheng Wang , Boyuan Li , Junhao Zheng , Emadeldeen Eldele , Min Wu , Qianli Ma

Time series anomaly detection has been recognized as of critical importance for the reliable and efficient operation of real-world systems. Many anomaly detection methods have been developed based on various assumptions on anomaly…

机器学习 · 计算机科学 2022-07-28 Jiuqi Elise Zhang , Di Wu , Benoit Boulet

Identifying anomalies from time series data plays an important role in various fields such as infrastructure security, intelligent operation and maintenance, and space exploration. Current research focuses on detecting the anomalies after…

机器学习 · 计算机科学 2024-10-17 Sinong Zhao , Wenrui Wang , Hongzuo Xu , Zhaoyang Yu , Qingsong Wen , Gang Wang , xiaoguang Liu , Guansong Pang

We are motivated by large scale submodular optimization problems, where standard algorithms that treat the submodular functions in the \emph{value oracle model} do not scale. In this paper, we present a model called the…

机器学习 · 计算机科学 2019-02-28 Rishabh Iyer , Jeff Bilmes

The proliferation of edge devices has dramatically increased the generation of multivariate time-series (MVTS) data, essential for applications from healthcare to smart cities. Such data streams, however, are vulnerable to anomalies that…

机器学习 · 计算机科学 2025-03-17 Long Tan Le , Tung-Anh Nguyen , Han Shu , Suranga Seneviratne , Choong Seon Hong , Nguyen H. Tran

For modern industrial applications, accurately detecting and diagnosing anomalies in multivariate time series data is essential. Despite such need, most state-of-the-art methods often prioritize detection performance over model…

机器学习 · 计算机科学 2024-10-31 Minha Kim , Kishor Kumar Bhaumik , Amin Ahsan Ali , Simon S. Woo

Time series analysis is crucial in fields like finance, transportation, and industry. However, traditional models often focus solely on temporal features, limiting their ability to capture underlying information. This paper proposes a novel…

机器学习 · 计算机科学 2025-03-12 Shule Hao , Junpeng Bao , Chuncheng Lu