Quantity Distribution Search using Sparse Representation Generated with Kernel-based Regression

Akinori Asahara; Hideki Hayashi

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Paper

Quantity Distribution Search using Sparse Representation Generated with Kernel-based Regression

Topics: Data Mining and OLAP; Geocomputation; Geographic Information Retrieval; Geospatial Architectures and Middleware; Geospatial Information and Technologies ; Spatio-temporal Data Acquisition

In Proceedings of the 3rd International Conference on Geographical Information Systems Theory, Applications and Management GISTAM - Volume 1, 209-216, 2017 , Porto, Portugal

Authors: Akinori Asahara and Hideki Hayashi

Affiliation: Hitachi Ltd., Japan

Keyword(s): Database, Multi-dimensional Array Data, GIS, Regression.

Abstract: The number of records representing a quantity distribution (e.g. temperature and rainfall) requires an extreme amount of overhead to manage the data. We propose a method using a subset of records against the problem. The proposed method involves an approximation derived with kernel ridge regression in advance to determine the minimal dataset to be input into database systems. As an advantage of the proposed method, processes to reconstruct the original dataset can be completely implemented with Structured Query Language, which is used for relational database systems. Thus users can analyze easily the quantity distribution. From the results of experiments using digitized elevation map data, we confirmed that the proposed method can reduce the number of data to less than 1/10 of the original number if the acceptable error was set to 125 m.

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Paper citation in several formats:

Asahara, A. and Hayashi, H. (2017). Quantity Distribution Search using Sparse Representation Generated with Kernel-based Regression. In Proceedings of the 3rd International Conference on Geographical Information Systems Theory, Applications and Management - GISTAM; ISBN 978-989-758-252-3; ISSN 2184-500X, SciTePress, pages 209-216. DOI: 10.5220/0006316402090216

@conference{gistam17,
author={Akinori Asahara. and Hideki Hayashi.},
title={Quantity Distribution Search using Sparse Representation Generated with Kernel-based Regression},
booktitle={Proceedings of the 3rd International Conference on Geographical Information Systems Theory, Applications and Management - GISTAM},
year={2017},
pages={209-216},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0006316402090216},
isbn={978-989-758-252-3},
issn={2184-500X},
}

TY - CONF

JO - Proceedings of the 3rd International Conference on Geographical Information Systems Theory, Applications and Management - GISTAM
TI - Quantity Distribution Search using Sparse Representation Generated with Kernel-based Regression
SN - 978-989-758-252-3
IS - 2184-500X
AU - Asahara, A.
AU - Hayashi, H.
PY - 2017
SP - 209
EP - 216
DO - 10.5220/0006316402090216
PB - SciTePress