Support Vector Machines (SVM) for Classification of Spatial Data

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Support Vector Machine (SVM) for Classification of Spatial Data
Anshu Dixit1 and Sonajharia Minz
School of Computer and System Sciences,
Jawahar Lal Nehru University, New Delhi
Abstract
Spatial data mining is the process of discovering interesting and previously unknown, but useful, patterns
from spatial datasets. One of the aspects of spatial data mining is to give the information about the data that
a user can interpret. Classification is the most popular way to obtain a structured view of the data. In a
given spatial data set (a training set) with one attribute as the dependent attribute, the classification task is
to build a model to predict the unknown dependent attribute values of the future data based on other
attribute values as accurately as possible. Support Vector Machine (SVM) is one example of machine
learning algorithms that has emerged as one of the promising options for classification. SVM represents a
group of theoretically superior machine learning algorithms that employs optimization algorithms to locate
the optimal boundaries between classes. Statistically, the optimal boundaries should be generalized to
unseen samples with least errors among all possible boundaries separating the classes. SVM have already
been used in a wide area of applications to classify the data. This paper is an attempt to explore the
applicability of support vector machines for classifying spatial data.
Keywords: Spatial Data, Spatial Data Mining, Classification, Spatial Autocorrelation, Spatial
Heterogeneity, Support Vector Machine
1
Author is Scientist at IASRI, New Delhi. Presently on study leave sanctioned by ICAR, New Delhi for
doing Ph.D at JNU, New Delhi.
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