Geoinformation system of decision support based on the geoportal spatial data storage

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DOI: https://doi.org/10.20998/2522-9052.2020.2.11
Keywords:
geodata, geoinformation decision support system, multidimensional storage of spatial data

Main Article Content

Sergey Andrieiev
National Aerospace University named after N. Ye. Zhukovskiy "Kharkiv Aviation Institute", Kharkiv
https://orcid.org/0000-0003-4256-2637
Volodymyr Zhilin
National Aerospace University named after N. Ye. Zhukovskiy "Kharkiv Aviation Institute", Kharkiv
https://orcid.org/0000-0002-7342-3456

Abstract

The subject of the study is the development of a geographic information system for decision support (DSS), based on the storage of spatial data of the geoportal. The object of the study is the process of combining and integrating information containing various types of spatial data into the geoportal repository. The purpose of the work is to increase the efficiency of statistical and predictive analysis of geodata for reporting and supporting decision-making of geographic information tasks in real time. Conclusions. Based on the analysis of the architectures of modern decision-making systems, a structure of geoinformation DSS’s based on the spatial data storage of the geoportal is proposed. The main features and functions that are included in subsystems of such a DSS are analyzed, namely the functions of the subsystem for extracting, converting and loading data, the functions of the data storage subsystem and the data analysis subsystem. The consideration of mentioned subsystems DSS was carried out with a detailed study of their structural and functional schemes, analysis of existing technologies of processing and spatial information storage, as well as modern methods of geodata analysis. At the same time, a reasonable choice of a database management system for the practical implementation of a multidimensional geodatabase is made, which performs the functions of a spatial data storage as the basis of a DSS geoportal. A substantial analysis of Microsoft SQL Server Analysis Services (SSAS), as а base platform for the deployment of Business Intelligence (BI) analytical systems, a Unified Dimensional Model (UDM) as the core of Online Analytical Processing (OLAP) complex multidimensional data analysis technology was performed. The aspects of planning and programming the SSAS architecture, the features of developing multi-dimensional databases using SQL BI Development Studio (BIDS) and SQL Server Management Studio (SSMS), as well as the specifics of using SQL Server Integration Services (SSIS) to work with multi-dimensional databases are analyzed. Thus, the groundwork has been set for the development of geoinformation DSS using Microsoft SQL Server multidimensional data analysis tools to create a multidimensional spatial data storage of the geoportal. A methodology for software implementation of a spatial data multidimensional storage of a geoportal is also proposed. The proposed approaches to the development of geoinformation DSS based on the spatial data storage provide integration into the geoportal repository of information containing various types of spatial data. The software implementation of the multidimensional geoportal provides an efficiency level increase of statistical and predictive geodata analysis for reporting and supporting decision-making of geographic information tasks in a real time.

Article Details

How to Cite
Andrieiev, S., & Zhilin, V. (2020). Geoinformation system of decision support based on the geoportal spatial data storage. Advanced Information Systems, 4(2), 60–79. https://doi.org/10.20998/2522-9052.2020.2.11
Issue
Vol. 4 No. 2 (2020): Advanced Information Systems
Section
Methods of information systems synthesis
Author Biographies

Sergey Andrieiev, National Aerospace University named after N. Ye. Zhukovskiy "Kharkiv Aviation Institute", Kharkiv

Candidate of Technical Sciences, Associate Professor, Associate Professor of Geoinformation Technologies and Space Monitoring of the Earth Department

Volodymyr Zhilin, National Aerospace University named after N. Ye. Zhukovskiy "Kharkiv Aviation Institute", Kharkiv

Candidate of Technical Sciences, Associate Professor, Associate Professor of Geoinformation Technologies and Space Monitoring of the Earth Department

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