Geospatial Open Data Usage and Metadata Quality
The Open Government Data portals (OGD), thanks to the presence of thousands of geo-referenced datasets, containing spatial information are of extreme interest for any analysis or process relating to the territory. For this to happen, users must be enabled to access these datasets and reuse them. An...
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doaj-4519ea0baad2473ba2d77e4242a7b1832021-01-14T00:02:49ZengMDPI AGISPRS International Journal of Geo-Information2220-99642021-01-0110303010.3390/ijgi10010030Geospatial Open Data Usage and Metadata QualityAlfonso Quarati0Monica De Martino1Sergio Rosim2Institute for Applied Mathematics and Information Technologies National Research Council, 16149 Genoa, ItalyInstitute for Applied Mathematics and Information Technologies National Research Council, 16149 Genoa, ItalyInstituto Nacional de Pesquisas Espaciais, Sao Jose dos Campos 12230-081, BrazilThe Open Government Data portals (OGD), thanks to the presence of thousands of geo-referenced datasets, containing spatial information are of extreme interest for any analysis or process relating to the territory. For this to happen, users must be enabled to access these datasets and reuse them. An element often considered as hindering the full dissemination of OGD data is the quality of their metadata. Starting from an experimental investigation conducted on over 160,000 geospatial datasets belonging to six national and international OGD portals, this work has as its first objective to provide an overview of the usage of these portals measured in terms of datasets views and downloads. Furthermore, to assess the possible influence of the quality of the metadata on the use of geospatial datasets, an assessment of the metadata for each dataset was carried out, and the correlation between these two variables was measured. The results obtained showed a significant underutilization of geospatial datasets and a generally poor quality of their metadata. In addition, a weak correlation was found between the use and quality of the metadata, not such as to assert with certainty that the latter is a determining factor of the former.https://www.mdpi.com/2220-9964/10/1/30geospatial open datadatasets usagemetadata quality |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Alfonso Quarati Monica De Martino Sergio Rosim |
spellingShingle |
Alfonso Quarati Monica De Martino Sergio Rosim Geospatial Open Data Usage and Metadata Quality ISPRS International Journal of Geo-Information geospatial open data datasets usage metadata quality |
author_facet |
Alfonso Quarati Monica De Martino Sergio Rosim |
author_sort |
Alfonso Quarati |
title |
Geospatial Open Data Usage and Metadata Quality |
title_short |
Geospatial Open Data Usage and Metadata Quality |
title_full |
Geospatial Open Data Usage and Metadata Quality |
title_fullStr |
Geospatial Open Data Usage and Metadata Quality |
title_full_unstemmed |
Geospatial Open Data Usage and Metadata Quality |
title_sort |
geospatial open data usage and metadata quality |
publisher |
MDPI AG |
series |
ISPRS International Journal of Geo-Information |
issn |
2220-9964 |
publishDate |
2021-01-01 |
description |
The Open Government Data portals (OGD), thanks to the presence of thousands of geo-referenced datasets, containing spatial information are of extreme interest for any analysis or process relating to the territory. For this to happen, users must be enabled to access these datasets and reuse them. An element often considered as hindering the full dissemination of OGD data is the quality of their metadata. Starting from an experimental investigation conducted on over 160,000 geospatial datasets belonging to six national and international OGD portals, this work has as its first objective to provide an overview of the usage of these portals measured in terms of datasets views and downloads. Furthermore, to assess the possible influence of the quality of the metadata on the use of geospatial datasets, an assessment of the metadata for each dataset was carried out, and the correlation between these two variables was measured. The results obtained showed a significant underutilization of geospatial datasets and a generally poor quality of their metadata. In addition, a weak correlation was found between the use and quality of the metadata, not such as to assert with certainty that the latter is a determining factor of the former. |
topic |
geospatial open data datasets usage metadata quality |
url |
https://www.mdpi.com/2220-9964/10/1/30 |
work_keys_str_mv |
AT alfonsoquarati geospatialopendatausageandmetadataquality AT monicademartino geospatialopendatausageandmetadataquality AT sergiorosim geospatialopendatausageandmetadataquality |
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