Access reusability

Access reusability is the characteristic of a dataset to allow easy and automatic access to the contents of a data source. In this study five levels have been standardised. Every level is weighted in order to provide a fair comparison. Next table shows description of the different levels. In any case the free (no cost) access is a must for being considered in this dimension. Otherwise punctuation would be 0. This is supported by Cook (Cook, 2009).

Description

% weight

Level 1. No web access or manual requestAccess to information requires a non-automatic approval process to access to the datasets or to fill manually a form.

0

Level 2. Web Access URL with registration or with web interactionAccess to information via the web, but it requires user interaction to select the data source.

10

Level 3. Web access or unique URL parametersAccess to information via the web, and it is possible to access to the dataset individually, or through a unique URL, or by specific parameters in the query call.

25

Level 4. Web Access unique with parametersAccess to information via the web, and it is possible to access individually to each data inside the datasets, or through a shortened URL, or by specific parameters in the query call and includes the date, the version, or the last update.

75

Level 5. API or query languageAccess to information provides access to specific data of the dataset, either by calling a documented API or through a query language of data sources (I.e. SPARQL).

100

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