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PAe - the level of maturity of the open data in spain
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The level of maturity of the open data in spain

13 june 2018

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In 2010, Tim Berners-Lee, the father of the Web, proposed a system for measuring the quality of the open data on the basis of their level of reuse.

This system, known as the 5-star hotel, sets out a number of levels, ranging from minor to ease of use of published data. The following are details on each of them:

  • A star: this level will be achieved with the mere publication of data, regardless of format. Here we would open data unstructured (pdf documents, images, videos, etc.), difficult to manipulate and reuse for those users who so wish.
  • Two stars: at this level data have a structured format, which has been used a proprietary software. It Would Be the case of Excel worksheets.
  • Three stars: in this case the structured open data do not use a proprietary software, but a free software, such as OpenOffice, or CSV.
  • Four stars: this level is the existence of a properly structured data URIs that identifies the resources used. For this standard the RDF, recommended by the W3C, which facilitates interoperability.
  • Five stars: is the level of maturity, where data, in addition to fulfilling all the above criteria are linked with other similar data published by other organizations. This provides context and optimizes seeks, facilitating the re-use.

On the basis of this classification, always listed the various initiatives identified by datos.gob.es in Spain. The result shows a positive picture, since only 7% of open data portals identified offer only data sets according to the first two stages.

The fact that the vast majority of the initiatives identified to facilitate the re-use of data at the top 3 stages this classification, shows the interest of the agencies publishing partners to promote the reuse of your data.

Most initiatives (around 80 per cent) have data sets that are in the third level, i.e. they have structured open data formats, so that users can manipulate the data, without limitation, features and create with them services that add value to society. In addition, many of these initiatives are incorporating different roles to help users, as advanced search engines, catalogues of applications or training, among others. However, as we have seen above, could further promote reuse if mainstream URIs and linked data.

In Spain we find many pioneering initiatives that had already taken these steps, and have chosen to provide data in accordance to the last two levels. Examples of the data portals with 5-star hotel we are very diverse initiatives promoted by both local and autonomous publishing partners and state initiatives, and even linked to universities. Aragón Open Data Portal Dades Obertes CAIB (Government of the balearic islands), the data Portal linked at the national library of Spain, Opendata Cáceres, Transparency of the diputació de Castelló, data Portal is open from the university of Extremadura, data Portal is Open from Gijón and data Portal is Open city are some examples of these initiatives.

This shows that the initiatives of open they no longer focus only on access to information, but also in their reuse. this way it is possible to citizens and companies from being an active part of the community, generating new products and services which add value to the whole of society.

If you want to know more about URIs and linked data, we recommend: Linked data as a model of data (Opens in new window) and Good practices in the design of APIs and Linked Data (Opens in new window) .

Original source of news: datos.gob.es (Opens in new window)

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