Results 61 to 70 of about 1,871,913 (147)

A Feature-Reduction Multi-View k-Means Clustering Algorithm

IEEE Access, 2019
The k-means clustering algorithm is the oldest and most known method in cluster analysis. It has been widely studied with various extensions and applied in a variety of substantive areas.
Miin-Shen Yang, Kristina P. Sinaga
doaj   +1 more source

A Improving House Price Clustering Results with K-means through the Implementation of One-hot Encoding Pre-processing Technique

Journal of Applied Informatics and Computing
Basic human needs include a house that serves as a place to live and a shelter from everything. In Indonesia, owning a house is still a challenging aspect due to its high price.
Vicka Rizqi Maulani, Mula Agung Barata, Pelangi Eka Yuwita   +2 more
doaj   +1 more source

Pulse wave time series unsupervised clustering with importance ratios for heart failure subgroups detection

Journal of Biomechanical Science and Engineering
Heart failure (HF) is a significant global public health issue, and accurate diagnosis and effective management are crucial for improving patient outcomes. This study aims to identify potential HF patient subgroups based on the pulse wave time series via
Dandan WU, Ryohei ONO, Sirui WANG, Yoshio KOBAYASHI, Hao LIU   +4 more
doaj   +1 more source

Capacity Optimization Configuration of Hybrid Energy Storage Systems for Wind Farms Based on Improved k-means and Two-Stage Decomposition

Energies
To address the issue of excessive grid-connected power fluctuations in wind farms, this paper proposes a capacity optimization method for a hybrid energy storage system (HESS) based on wind power two-stage decomposition.
Xi Zhang, Longyun Kang, Xuemei Wang, Yangbo Liu, Sheng Huang   +4 more
doaj   +1 more source

Federated K-Means Clustering

Federated learning is a technique that enables the use of distributed datasets for machine learning purposes without requiring data to be pooled, thereby better preserving privacy and ownership of the data. While supervised FL research has grown substantially over the last years, unsupervised FL methods remain scarce.
Swier Garst, Marcel J. T. Reinders
openaire   +3 more sources

Safety Risk Assessment and Classification of Cadmium in Grain Processing Products

Foods
As a staple food for people worldwide, processed grain products, including rice, wheat flour, etc., have been the major source of the toxic element cadmium for human exposure.
Qingchuan Zhang, Wenjie Dou, Zheng Wang, Xuemei Xu, Tongqiang Jiang   +4 more
doaj   +1 more source

Optimisation of Criminal Data Clustering Model using Information Gain

Journal of Innovation Information Technology and Application
Crime is a phenomenon that significantly impacts society, necessitating mapping efforts that can be utilized for further analysis. Clustering, as a data analysis technique, groups objects based on similarities or differences in their characteristics ...
Prih Diantono Abda’u, Ratih Hafsarah Maharrani, Muhammad Nur Faiz, Oman Somantri   +3 more
doaj  

Spherical k-Means Clustering

Journal of Statistical Software, 2012
Clustering text documents is a fundamental task in modern data analysis, requiring approaches which perform well both in terms of solution quality and computational efficiency.
Kurt Hornik, Ingo Feinerer, Martin Kober, Christian Buchta   +3 more
doaj  

Research on Recognition of Green Sichuan Pepper Clusters and Cutting-Point Localization in Complex Environments

Agriculture
The harvesting of green Sichuan pepper remains heavily reliant on manual field operations, but automation can enhance the efficiency, quality, and sustainability of the process.
Qi Niu, Wenjun Ma, Rongxiang Diao, Wei Yu, Chunlei Wang, Hui Li, Lihong Wang, Chengsong Li, Pei Wang   +8 more
doaj   +1 more source

Accelerating the k-Means++ Algorithm by Using Geometric Information

IEEE Access
Clustering is a fundamental task in data analysis with applications across a wide range of fields, such as computer vision, pattern recognition, and data mining.
Guillem Rodriguez Corominas, Maria J. Blesa, Christian Blum   +2 more
doaj   +1 more source