OPEN DATA REUSE IV
• The availability of an application portal with the services developed based on the published data. With the information obtained, an analysis of the maturity of the data on the portals was carried out. For this task, the metric developed by Abella, Ortiz de Urbina Criado and De Pablos Heredero
(2017) was used. The analysed aspects and their importance are presented in Table 4.
Portals with a maturity value of less than 25 are considered inadequate; from 25 to 50 are considered basic; 50 to 75 are considered adequate, and above 75 are considered optimal.
Table 4. Metrics for analysing the maturity degree of data portals
Concept
European report concept
Weight (%)
Spread of data
20
Having more than 30 datasets
Usability of the portal
10
Having a source with catalogue updates
Usability of the portal
15
Using a data management system (DMS)
Re-usability of data
25
Availability of an application programming interface (API) for automated interaction with the datasets
Re-usability of data
30
Portal of applications/services based on open data
Source: Abella, Ortiz-de-Urbina-Criado, De-Pablos-Heredero (2017), based on Carrara, Nieuwenhuis and Vollers (2016)
30
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