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English(EN) Sublinear Sketches for Approximate Nearest Neighbor and Kernel Density Estimation

新的亚线性草图改进了数据流的ANN和A-KDE

研究人员开发了新的草图算法,旨在动态数据流中的近似最近邻(ANN)搜索和近似核密度估计(A-KDE)实现亚线性空间和查询时间。所提出的ANN草图通过仅存储输入的一部分来显著减少内存需求,在内存大小和近似误差之间提供了近乎最优的权衡,这是该背景下ANN的首次实现。对于滑动窗口模型中的A-KDE,新草图提供了第一个理论上的亚线性保证。在真实数据集上的实验结果证明了这些轻量级草图的实际效率和低错误率。 AI

影响 这些算法可以实现机器学习应用中大型数据集的更有效处理,尤其是在流式处理场景中。

排序理由 详细介绍新算法和理论结果的学术论文。[lever_c_demoted from research: ic=1 ai=1.0]

在 arXiv cs.LG 阅读 →

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新的亚线性草图改进了数据流的ANN和A-KDE

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详细介绍新算法和理论结果的学术论文。[lever_c_demoted from research: ic=1 ai=1.0]
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报道来源 [1]

  1. arXiv cs.LG TIER_1 English(EN) · Ved Danait, Srijan Das, Sujoy Bhore ·

    用于近似最近邻和核密度估计的亚线性草图

    arXiv:2510.23039v2 Announce Type: replace Abstract: Approximate Nearest Neighbor (ANN) search and Approximate Kernel Density Estimation (A-KDE) are fundamental problems at the core of modern machine learning, with broad applications in data analysis, information systems, and larg…