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Adaptive Boosting (AdaBoost) faces significant challenges posed by label noise, especially in multiclass classification tasks. Existing methods either lack mechanisms to handle label noise effectively or suffer from high computational costs…

机器学习 · 计算机科学 2025-06-18 Qin Xie , Qinghua Zhang , Shuyin Xia , Xinran Zhou , Guoyin Wang

Cluster analysis plays a crucial role in database mining, and one of the most widely used algorithms in this field is DBSCAN. However, DBSCAN has several limitations, such as difficulty in handling high-dimensional large-scale data,…

机器学习 · 计算机科学 2024-04-30 Weibing Zhao

Clustering is a cornerstone of modern data analysis. Detecting clusters in exploratory data analyses (EDA) requires algorithms that make few assumptions about the data. Density-based clustering algorithms are particularly well-suited for…

机器学习 · 计算机科学 2026-02-03 Daniël Bot , Leland McInnes , Jan Aerts

Density-based clustering techniques are used in a wide range of data mining applications. One of their most attractive features con- sists in not making use of prior knowledge of the number of clusters that a dataset contains along with…

机器学习 · 计算机科学 2018-07-24 Roberto Pirrone , Vincenzo Cannella , Sergio Monteleone , Gabriella Giordano

Clustering is an unsupervised technique for grouping data points by similarity. While explainability methods exist for supervised machine learning, they are not directly applicable to clustering, making it challenging to understand cluster…

机器学习 · 计算机科学 2026-05-29 Pernille Matthews , Lena Krieger , Tommaso Amico , Artur Zimek , Thomas Seidl , Ira Assent

This paper describes the incremental behaviours of Density based clustering. It specially focuses on the Density Based Spatial Clustering of Applications with Noise (DBSCAN) algorithm and its incremental approach.DBSCAN relies on a density…

数据库 · 计算机科学 2014-06-19 Sanjay Chakraborty , N. K. Nagwani

We present AdaGraph, a graph-native clustering algorithm born from the Structure-Centric Machine Learning (SC-ML) paradigm -- a new field of unsupervised learning that replaces geometry-centric (distance-based) computation with…

机器学习 · 计算机科学 2026-05-19 Ahmed Elmahdi

AdaBoost is an important algorithm in machine learning and is being widely used in object detection. AdaBoost works by iteratively selecting the best amongst weak classifiers, and then combines several weak classifiers to obtain a strong…

分布式、并行与集群计算 · 计算机科学 2013-06-07 Munther Abualkibash , Ahmed ElSayed , Ausif Mahmood

FISHDBC is a flexible, incremental, scalable, and hierarchical density-based clustering algorithm. It is flexible because it empowers users to work on arbitrary data, skipping the feature extraction step that usually transforms raw data in…

机器学习 · 计算机科学 2019-10-17 Matteo Dell'Amico

DBSCAN is one of the most important non-parametric unsupervised data analysis tools. By applying DBSCAN to a dataset, two key analytical results can be obtained: (1) clustering data points based on density distribution and (2) identifying…

计算机视觉与模式识别 · 计算机科学 2024-12-04 Yongyu Wang

Clustering multidimensional points is a fundamental data mining task, with applications in many fields, such as astronomy, neuroscience, bioinformatics, and computer vision. The goal of clustering algorithms is to group similar objects…

分布式、并行与集群计算 · 计算机科学 2023-05-22 Yihao Huang , Shangdi Yu , Julian Shun

Clustering techniques are very attractive for extracting and identifying patterns in datasets. However, their application to very large spatial datasets presents numerous challenges such as high-dimensionality data, heterogeneity, and high…

数据库 · 计算机科学 2018-02-27 Malika Bendechache , Nhien-An Le-Khac , M-Tahar Kechadi

Existing clustering methods are based on a single granularity of information, such as the distance and density of each data. This most fine-grained based approach is usually inefficient and susceptible to noise. Inspired by adaptive process…

机器学习 · 计算机科学 2023-03-03 Shuyin Xia , Jiang Xie , Guoyin Wang

DBSCAN is a popular density-based clustering algorithm that has many different applications in practice. However, the running time of DBSCAN in high-dimensional space or general metric space ({\em e.g.,} clustering a set of texts by using…

数据结构与算法 · 计算机科学 2025-01-07 Guanlin Mo , Shihong Song , Hu Ding

We introduce a novel self-supervised deep clustering approach tailored for unstructured data without requiring prior knowledge of the number of clusters, termed Adaptive Self-supervised Robust Clustering (ASRC). In particular, ASRC…

机器学习 · 计算机科学 2024-07-31 Chen-Lu Ding , Jiancan Wu , Wei Lin , Shiyang Shen , Xiang Wang , Yancheng Yuan

NVMe SSD caching has demonstrated impressive capabilities in solving cloud block storage's I/O bottleneck and enhancing application performance in public, private, and hybrid cloud environments. However, traditional host-side caching…

分布式、并行与集群计算 · 计算机科学 2023-07-03 Qirui Yang , Runyu Jin , Ni Fan , Devasena Inupakutika , Bridget Davis , Ming Zhao

Autoregressive generative models can estimate complex continuous data distributions, like trajectory rollouts in an RL environment, image intensities, and audio. Most state-of-the-art models discretize continuous data into several bins and…

机器学习 · 计算机科学 2022-08-04 Qiyang Li , Ajay Jain , Pieter Abbeel

This paper focuses on density-based clustering, particularly the Density Peak (DP) algorithm and the one based on density-connectivity DBSCAN; and proposes a new method which takes advantage of the individual strengths of these two methods…

机器学习 · 计算机科学 2024-01-30 Ye Zhu , Kai Ming Ting , Yuan Jin , Maia Angelova

This paper addresses the clustering of data in the hyperdimensional computing (HDC) domain. In prior work, an HDC-based clustering framework, referred to as HDCluster, has been proposed. However, the performance of the existing HDCluster is…

机器学习 · 计算机科学 2024-04-19 Lulu Ge , Keshab K. Parhi

When using large-batch training to speed up stochastic gradient descent, learning rates must adapt to new batch sizes in order to maximize speed-ups and preserve model quality. Re-tuning learning rates is resource intensive, while fixed…

机器学习 · 计算机科学 2020-07-13 Tyler B. Johnson , Pulkit Agrawal , Haijie Gu , Carlos Guestrin