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We study the aggregation/disaggregation problem of random parameter AR(1) processes and its relation to the long memory phenomenon. We give a characterization of a subclass of aggregated processes which can be obtained from simpler,…

统计理论 · 数学 2009-10-20 Dmitrij Celov , Remigijus Leipus , Anne Philippe

In this article, we aim to further clarify certain subtle aspects of processes that exhibit long memory in the second-order sense. We construct a long-memory stochastic sequence, in the sense that the series of absolute autocovariances…

概率论 · 数学 2026-05-20 Valentin Vidril

This paper investigates the second order properties of a stationary process after random sampling. While a short memory process gives always rise to a short memory one, we prove that long-memory can disappear when the sampling law has heavy…

统计理论 · 数学 2008-10-10 Anne Philippe , Marie-Claude Viano

Energy disaggregation estimates appliance-by-appliance electricity consumption from a single meter that measures the whole home's electricity demand. Recently, deep neural networks have driven remarkable improvements in classification…

神经与进化计算 · 计算机科学 2015-09-29 Jack Kelly , William Knottenbelt

Clustering is a widely used unsupervised learning technique involving an intensive discrete optimization problem. Associative Memory models or AMs are differentiable neural networks defining a recursive dynamical system, which have been…

机器学习 · 计算机科学 2023-06-07 Bishwajit Saha , Dmitry Krotov , Mohammed J. Zaki , Parikshit Ram

Some convergence results on the kernel density estimator are proven for a class of linear processes with cyclical effects. In particular we extend the results of Ho and Hsing (1996a) and Mielniczuk (1997) to the stationary processes for…

统计理论 · 数学 2011-04-18 Mohamedou Ould Haye , Anne Philippe

Linear processes are defined as a discrete-time convolution between a kernel and an infinite sequence of i.i.d. random variables. We modify this convolution by introducing decimation, that is, by stretching time accordingly. We then…

统计理论 · 数学 2008-12-18 François Roueff , Murad S. Taqqu

It is well-known that the aggregated time series might have very different properties from those of the individual series, in particular, long memory. At the present time, aggregation has become one of the main tools for modelling of long…

统计理论 · 数学 2013-06-17 Remigijus Leipus , Anne Philippe , Donata Puplinskaite , Donatas Surgailis

Memory disaggregation addresses memory imbalance in a cluster by decoupling CPU and memory allocations of applications while also increasing the effective memory capacity for (memory-intensive) applications beyond the local memory limit…

分布式、并行与集群计算 · 计算机科学 2022-02-07 Anil Yelam

Long Short-Term Memory (LSTM) is a special class of recurrent neural network, which has shown remarkable successes in processing sequential data. The typical architecture of an LSTM involves a set of states and gates: the states retain…

机器学习 · 计算机科学 2018-12-03 Arash Ardakani , Zhengyun Ji , Warren J. Gross

General-purpose Large Language Models (LLMs) are frequently fine-tuned through supervised fine-tuning (SFT) to enhance performance in specific domains. Better results can be achieved by distilling the chain-of-thought of a larger model at…

机器学习 · 计算机科学 2026-03-24 Andrey Goncharov , Daniil Vyazhev , Petr Sychev , Edvard Khalafyan , Alexey Zaytsev

Deep-learning models such as Convolutional Neural Networks (CNN) and Long Short-Term Memory (LSTM) have been successfully used for process-mining tasks. They have achieved better performance for different predictive tasks than traditional…

机器学习 · 计算机科学 2021-05-04 Ishwar Venugopal , Jessica Töllich , Michael Fairbank , Ansgar Scherp

Current video-language models struggle with long-video understanding due to limited context lengths and reliance on sparse frame subsampling, often leading to information loss. This paper introduces $\infty$-Video, which can process…

计算机视觉与模式识别 · 计算机科学 2025-05-20 Saul Santos , António Farinhas , Daniel C. McNamee , André F. T. Martins

The Long Short-Term Memory (LSTM) layer is an important advancement in the field of neural networks and machine learning, allowing for effective training and impressive inference performance. LSTM-based neural networks have been…

神经与进化计算 · 计算机科学 2019-01-04 Daniel Kent , Fathi M. Salem

Recent work shows that post-training datasets for LLMs can be substantially downsampled without noticeably deteriorating performance. However, data selection often incurs high computational costs or is limited to narrow domains. In this…

计算与语言 · 计算机科学 2025-09-25 Paramita Mirza , Lucas Weber , Fabian Küch

We present the Linear Complexity Sequence Model (LCSM), a comprehensive solution that unites various sequence modeling techniques with linear complexity, including linear attention, state space model, long convolution, and linear RNN,…

计算与语言 · 计算机科学 2024-05-28 Zhen Qin , Xuyang Shen , Dong Li , Weigao Sun , Stan Birchfield , Richard Hartley , Yiran Zhong

Learning on sets is increasingly gaining attention in the machine learning community, due to its widespread applicability. Typically, representations over sets are computed by using fixed aggregation functions such as sum or maximum.…

机器学习 · 计算机科学 2021-06-07 Giovanni Pellegrini , Alessandro Tibo , Paolo Frasconi , Andrea Passerini , Manfred Jaeger

The Process Reward Model (PRM) plays a crucial role in mathematical reasoning tasks, requiring high-quality supervised process data. However, we observe that reasoning steps generated by Large Language Models (LLMs) often fail to exhibit…

人工智能 · 计算机科学 2025-08-25 Yulan Hu , Sheng Ouyang , Jinman Zhao , Yong Liu

Recently, neural networks have achieved great success on sentiment classification due to their ability to alleviate feature engineering. However, one of the remaining challenges is to model long texts in document-level sentiment…

计算与语言 · 计算机科学 2016-10-18 Jiacheng Xu , Danlu Chen , Xipeng Qiu , Xuangjing Huang

Large Language Models (LLMs) have demonstrated strong performance in handling complex tasks requiring both extensive knowledge and reasoning abilities. However, the existing LLM inference pipeline operates as an opaque process without…

计算与语言 · 计算机科学 2025-05-16 Mingyu Jin , Weidi Luo , Sitao Cheng , Xinyi Wang , Wenyue Hua , Ruixiang Tang , William Yang Wang , Yongfeng Zhang
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