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A single-pass grid-based algorithm for clustering big data on spatial databases

Author(s)
Taratoris, Evangelos.
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Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science.
Advisor
Samuel R. Madden.
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MIT theses are protected by copyright. They may be viewed, downloaded, or printed from this source but further reproduction or distribution in any format is prohibited without written permission. http://dspace.mit.edu/handle/1721.1/7582
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Abstract
The problem of clustering multi-dimensional data has been well researched in the scientific community. It is a problem with wide scope and applications. With the rapid growth of very large databases, traditional clustering algorithms become inefficient due to insufficient memory capacity. Grid-based algorithms try to solve this problem by dividing the space into cells and then performing clustering on the cells. However these algorithms also become inefficient when even the grid becomes too large to be saved in memory. This thesis presents a new algorithm, SingleClus, that is performing clustering on a 2-dimensional dataset with a single pass of the dataset. Moreover, it optimizes the amount of disk I/0 operations while making modest use of main memory. Therefore it is theoretically optimal in terms of performance. It modifies and improves on the Hoshen-Kopelman clustering algorithm while dealing with the algorithm's fundamental challenges when operating in a Big Data setting.
Description
Thesis: M. Eng., Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science, 2017
 
Cataloged from PDF version of thesis.
 
Includes bibliographical references (pages 79-80).
 
Date issued
2017
URI
http://hdl.handle.net/1721.1/113168
Department
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
Publisher
Massachusetts Institute of Technology
Keywords
Electrical Engineering and Computer Science.

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