Visualization for exploratory analysis of spatio-temporal data

Adalı, Hasan Serdar (2012) Visualization for exploratory analysis of spatio-temporal data. [Thesis]

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Analysis of spatio-temporal data has become critical with the emerge of ubiquitous location sensor technologies and applications keeping track of such data. Especially with the widespread availability of low cost GPS devices, it is possible to record data about the location of people and objects at a large scale. Data visualization plays a key role in the successful analysis of these kind of data. Due to the complex nature of this analysis process, current approaches and analytical tools fail to help spatio-temporal thinking and they are not effective when solving large range of problems. In this work, we propose an interactive visualization tool to support human analyst understand user behaviors by analyzing location patterns and anomalies in massive collections of spatio-temporal data. The tool that we developed within this work combines a geovisualization framework with 3D visualizations and histograms. Tool's effectiveness in exploratory analysis is tested by trend analysis and anomaly detection in a real mobile service dataset with almost 1.5 million rows.
Item Type: Thesis
Uncontrolled Keywords: Heat map. -- Data visualization. -- Spatio-temporal data. -- Visual analytics. -- Visualization. -- Isı haritası. -- Veri görselleştirmesi. -- Uzam-zamansal veriler. -- Görsel Analitik. -- Görselleştirme.
Subjects: Q Science > QA Mathematics > QA076 Computer software
Divisions: Faculty of Engineering and Natural Sciences > Academic programs > Computer Science & Eng.
Faculty of Engineering and Natural Sciences
Depositing User: IC-Cataloging
Date Deposited: 13 Oct 2014 11:13
Last Modified: 26 Apr 2022 10:02

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