D 2013

Spatial database quality and the potential uncertainty sources.

HOŠKOVÁ - MAYEROVÁ, Šárka, Václav TALHOFER, Alois HOFMANN and Petr KUBÍČEK

Basic information

Original name

Spatial database quality and the potential uncertainty sources.

Authors

HOŠKOVÁ - MAYEROVÁ, Šárka (203 Czech Republic, guarantor), Václav TALHOFER (203 Czech Republic), Alois HOFMANN (203 Czech Republic) and Petr KUBÍČEK (203 Czech Republic, belonging to the institution)

Edition

Berlin, Studies in Computational Intelligence. p. 127-142, 16 pp. 2013

Publisher

Springer Verlag

Other information

Language

English

Type of outcome

Stať ve sborníku

Field of Study

10508 Physical geography

Country of publisher

Germany

Confidentiality degree

není předmětem státního či obchodního tajemství

Publication form

printed version "print"

References:

RIV identification code

RIV/00216224:14310/13:00067596

Organization unit

Faculty of Science

ISBN

978-3-642-32902-9

ISSN

UT WoS

000312510100010

Keywords in English

geospatial analyses reliability; mathematical modelling; models of vagueness and uncertainty; uncertainty

Tags

Tags

International impact, Reviewed
Změněno: 24/6/2020 12:51, Mgr. Marie Šípková, DiS.

Abstract

V originále

One of the most significant features of geo-information systems is the creation of geospatial analyses. The analyses are based on fundamental geospatial data which model the landscape in the certain territory of interest. The analyses themselves are often described by a mathematical apparatus which uses a wide range of branches of mathematics, especially vector analysis, differential geometry, statistics, probability, fuzzy logic, etc. The classical mathematical description of analysis is clear and precisely defined. Complex geospatial analyses, however, work above geospatial data that do not have to be homogeneous from the point of view of quality. With respect to the capacity and technological possibilities of the data supplier, the input data can have different level of geometric and thematic accuracy, their thematic attributes can remain unfulfilled or the data can be obsolete to a certain extent. Also the location of objects (e.g. forested areas, soil, water area, etc.) can be uncertain concerning the impossibility to define them accurately (e.g. areas of different soil kinds are blended together) or change with time (coast line of watercourse that changes depending on rainfall). The stated imprecision and uncertainty then influence the result of the complete geospatial analysis. This influence gets bigger with the number of input data objects. The aim of the presented paper is to find a relation between the quality of input data and the reliability of the geospatial analysis result. The authors approach is based on mathematical models of analyses, models of vagueness and uncertainty, as well as from models for quality evaluation. In the research were used real data from the territory of the Czech Republic - current as well as historical - and specific methods of space evaluation used in decision-making processes of commanders and staff of the army.

Links

MSM0021622418, plan (intention)
Name: DYNAMICKÁ GEOVIZUALIZACE V KRIZOVÉM MANAGEMENTU
Investor: Ministry of Education, Youth and Sports of the CR, Dynamic Geovisualisation in Crises Management