NDLI: Triangular kernel nearest neighbor based clustering for pattern extraction in spatio-temporal database

Content Provider	IEEE Xplore Digital Library
Author	Musdholifah, A. Hashim, S.Z.M.
Copyright Year	2010
Description	Author affiliation: Department of Computer Science and Electronic, Gadjah Mada University (UGM), Yogyakarta, Indonesia (Musdholifah, A.) \|\| Faculty of Computer Science and Information System, Universiti Teknologi Malaysia (UTM), Skudai, Malaysia (Hashim, S.Z.M.)
Abstract	To date, various fields of applications have utilized spatio-temporal databases not only to store data, but to support decision making. For example, in traffic accident analysis; it is required to have knowledge on the pattern of accidents resulting in death. Thus, in such analysis, clustering technique is desired to implement pattern extraction. This paper presents clustering of spatio-temporal database using kernel nearest neighbor approach. It is chosen due to its ability to determine the number of clusters automatically. There are various types of kernel functions exist in the literatures, but the issue of concern is how to determine an appropriate kernel function for this application. In this study, two commonly used kernel functions, namely Gaussian and triangular, are investigated. From various experiments conducted, both functions produce reasonable clusters, but the triangular kernel nearest neighbor based clustering (TKNN) provides better performance with smaller number of iteration compared to Gaussian kernel nearest neighbor based clustering (ILGC) and K-means. Thus, TKNN is good option in clustering spatio-temporal database.
Starting Page	67
Ending Page	73
File Size	357073
Page Count	7
File Format	PDF
ISBN	9781424481347
e-ISBN	9781424481361
DOI	10.1109/ISDA.2010.5687288
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-11-29
Publisher Place	Egypt
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Algorithm design and analysis triangular kernel function spatio-temporal database Clustering algorithms Vehicle crash testing clustering kernel nearest neighbor Indexes Gaussian kernel function Kernel Nearest neighbor searches
Content Type	Text
Resource Type	Article

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