OPEN DATA REUSE IV
• Use of a specific data publication and reuse tool: DMS 6 . • Number of published datasets. • Which of the published datasets are original to the portal and which are federated from other portals. • Identification of the autonomous community of the entity that publishes the portal or if it is part of a nationwide entity. • The mechanisms for contacting the portal manager (e.g. e-mail or web form). 2.1.1 Simplified maturity model for portals that publish data Following the same methodology as Abella, Ortiz-de-Urbina-Criado, De-Pablos-Heredero (2017), a simplified maturity model has been defined based on the model in the pan-European data portal initiative by Carrara, Nieuwenhuis and Vollers (2016), introducing the following elements for consideration: • The population of datasets exceeds 30 items. • The availability of a feed (RSS or equivalent) with data updates. • The availability of an application programming interface (API) to allow automated access to data by external users. • The use of a data management system (DMS). For the purpose of this task, the following tools have been considered: CKAN, Socrata, DKAN, OpenDataSoft, ESRI Open Data and AOC.
2.1 METHODOLOGY FOR
STUDYING PORTALS THAT PUBLISH DATA
345 data portals have been identified from the following sources: • Previous 2021 report on the state of open data in Spain (Abella, Ortiz-de-Urbina-Criado, De-Pablos-Heredero and García-Luna, 2021; 2022) • Data from data.gob via its list of initiatives 5 . • Open Administration of Catalonia Consortium • Complementary research by the team conducting the report Through the consolidation of these sources, the availability of each of them was validated one by one. In 33 cases it was detected that the portal was either unavailable (e.g. error 404) or did not publish data. In line with Abella, Ortiz-de-Urbina-Criado, De- Pablos-Heredero (2017), the following values were identified for each portal: • Availability of mechanisms for publishing data updates. • Availability of a catalogue of resources, number of available datasets and whether the catalogue is downloadable. • Existence of direct data connection mechanisms (API) or query language (e.g. SPARQL). • Availability of a portal where services or applications are identified based on the portal data and number of identified services.
5. https://datos.gob.es/es/iniciativas. 6. Data Management System.
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