scholarly journals A Cluster Feature-Based Incremental Clustering Approach to Mixed Data

2011 ◽  
Vol 7 (12) ◽  
pp. 1875-1880 ◽  
Author(s):  
Sowjanya
2021 ◽  
Vol 5 (1) ◽  
pp. 37
Author(s):  
Konstantinos Oikonomou ◽  
Dimitris Damigos

Mineral raw materials prices have been shown to be affected by macroeconomic factors such as aggregate demand and commodity-specific factors (e.g., supply shocks). In addition, it has been shown that certain mineral raw material prices co-move, meaning that they behave similarly during expansion and contraction phases of the international business cycles. In order to assess the behavior similarity of the prices of different mineral raw materials, we propose a method that utilizes extracted features of time series price data and unsupervised learning techniques to create clusters of price movements having similar long-term behavior.


Author(s):  
Wilson Wong

Feature-based semantic measurements have played a dominant role in conventional data clustering algorithms for many existing applications. However, the applicability of existing data clustering approaches to a wider range of applications is limited due to issues such as complexity involved in semantic computation, long pre-processing time required for feature preparation, and poor extensibility of semantic measurement due to non-incremental feature source. This chapter first summarises the many commonly used clustering algorithms and feature-based semantic measurements, and then highlights the shortcomings to make way for the proposal of an adaptive clustering approach based on featureless semantic measurements. The chapter concludes with experiments demonstrating the performance and wide applicability of the proposed clustering approach.


2012 ◽  
Vol 4 (2) ◽  
pp. 71-85 ◽  
Author(s):  
Parag A. Kulkarni ◽  
Preeti Mulay

2008 ◽  
Vol 35 (3) ◽  
pp. 1177-1185 ◽  
Author(s):  
Chung-Chian Hsu ◽  
Yan-Ping Huang

2018 ◽  
Vol 117 ◽  
pp. 71-86 ◽  
Author(s):  
Yuchai Wan ◽  
Xiabi Liu ◽  
Yi Wu ◽  
Lunhao Guo ◽  
Qiming Chen ◽  
...  

2020 ◽  
Vol 4 (3) ◽  
pp. 448-461
Author(s):  
Debora Chrisinta ◽  
I Made Sumertajaya ◽  
Indahwati Indahwati

Most of the traditional clustering algorithms are designed to focus either on numeric data or on categorical data. The collected data in the real-world often contain both numeric and categorical attributes. It is difficult for applying traditional clustering algorithms directly to these kinds of data. So, the paper aims to show the best method based on the cluster ensemble and latent class clustering approach for mixed data. Cluster ensemble is a method to combine different clustering results from two sub-datasets: the categorical and numerical variables. Then, clustering algorithms are designed for numerical and categorical datasets that are employed to produce corresponding clusters. On the other side, latent class clustering is a model-based clustering used for any type of data. The numbers of clusters base on the estimation of the probability model used. The best clustering method recommends LCC, which provides higher accuracy and the smallest standard deviation ratio. However, both LCC and cluster ensemble methods produce evaluation values that are not much different as the application method used potential village data in Bengkulu Province for clustering.


Sign in / Sign up

Export Citation Format

Share Document