Multi-Prototypes Convex Merging Based K-Means Clustering Algorithm
Xidian University(西安电子科技大学);The Chinese University of Hong Kong(香港中文大学);City University of Hong Kong(香港城市大学);Hong Kong Centre for Cerebro-Cardiovascular Health Engineering(香港心脑血管健康工程中心)
Dong Li, Shuisheng Zhou, Tieyong Zeng, Raymond H. Chan
K-Means algorithm is a popular clustering method. However, it has two limitations: 1) it gets stuck easily in spurious local minima, and 2) the number of clusters k has to be given a priori. To solve these two issues, a multi-prototypes convex merging based K-Means clustering algorithm (MCKM) is presented. First, based on the structure of the spurious local minima of the K-Means problem, a multi-prototypes sampling (MPS) is designed to select the appropriate number of multi-prototypes for data with arbitrary shapes. A theoretical proof is given to guarantee that the multi-prototypes selected by MPS can achieve a constant factor approximation to the optimal cost of the K-Means problem. Then, a merging technique, called convex merging (CM), merges the multi-prototypes to get a better local minima without k being given a priori. Specifically, CM can obtain the optimal merging and estimate the correct k. By integrating these two techniques with K-Means algorithm, the proposed MCKM is an efficient and explainable clustering algorithm for escaping the undesirable local minima of K-Means problem without given k first. Experimental results performed on synthetic and real-world data sets have verified the effectiveness of the proposed algorithm.
Cube Sampled K-Prototype Clustering for Featured Data
Indian Institute of Technology Indore(印度理工学院印多尔分校);NMIMS, Shirpur(NMIMS希尔布尔分校);Institut Mines-Telecom Atlantique(法国矿业电信学校联盟大西洋校区);NMIMS Indore(NMIMS印多尔分校)
Retraining-Free Merging of Sparse MoE via Hierarchical Clustering
National Tsing Hua University(国立清华大学);National Taiwan University(国立台湾大学);University of Toronto(多伦多大学);NVIDIA AI Technology Center (NVAITC)(NVIDIA AI技术中心);Samsung Research America(三星美国研究院)
Clustering Based on Density Propagation and Subcluster Merging
School of Artificial Intelligence, OPtics and ElectroNics (iOPEN)(人工智能、光学与电子学院(iOPEN));School of Computer Science(计算机学院);Northwestern Polytechnical University(西北工业大学)
Myongji University(明知大学);University of Texas Medical Branch(德克萨斯大学医学分部);Sejong University(世宗大学);OCST Co., Ltd.(OCST有限公司);HCMC University of Technology and Education(胡志明市工业大学)
SPORT: Structure-Aware Prototype Disentanglement for Incomplete Multi-View Clustering
College of Computer and Cyberspace Security, Hebei Normal University(河北师范大学计算机与网络空间安全学院);Department of Statistics and Data Science, Southern University of Science and Technology(南方科技大学统计与数据科学系);Key Laboratory of Tibetan Information Processing, Ministry of Education, Qinghai Normal University(青海师范大学藏文信息处理教育部重点实验室);School of Computer Science and Technology, Beijing Jiaotong University(北京交通大学计算机科学与技术学院);State Key Laboratory of Multimodal Artificial Intelligence Systems, Institute of Automation, Chinese Academy of Sciences(中国科学院自动化研究所多模态人工智能系统国家重点实验室)
THESAURUS: Contrastive Graph Clustering by Swapping Fused Gromov-Wasserstein Couplings
School of Computer Science and Engineering, Sun Yat-sen University(中山大学计算机科学与工程学院);School of Systems Science and Engineering, Sun Yat-sen University(中山大学系统科学与工程学院)
Instituto Federal de Educação, Ciência e Tecnologia do Ceará(塞阿拉联邦教育与科学技术学院);Federal University of Ceara(塞阿拉联邦大学);Sigma Nova Science(Sigma Nova Science公司)
Chameleon2++: An Efficient and Scalable Variant Of Chameleon Clustering
Math of Data Science and Simulation (MODSS) Lab, Department of Computer Science and Engineering, Indian Institute of Technology Indore, India(数据科学与模拟(MODSS)实验室,计算机科学与工程系,印度理工学院Indore分校);Simulation (MODSS) Lab, Department of Computer Science(模拟(MODSS)实验室,计算机科学系);Engineering, Indian Institute of Technology Indore, India(工程,印度理工学院Indore分校)
Hyperbolic Enhanced Representation Learning for Incomplete Multi-view Clustering
School of Software Technology, Zhejiang University(浙江大学软件学院);College of Computer Science and Technology, Zhejiang University(浙江大学计算机科学与技术学院);Beijing Key Laboratory of Traffic Data Analysis and Mining, Beijing Jiaotong University(北京交通大学交通数据挖掘与分析重点实验室);School of Medicine, Zhejiang University(浙江大学医学院)