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In order to facilitate the transformation of CSV to RDF, we developed a semi-automatic approach by integrating the algorithm as a plugin extension into OntoWiki. Using this plugin, when a spreadsheet containing multi-dimensional statistical data is imported, it is presented to the user as a table. This presentation of the data gives the users the ability to configure (1) dimensions, (2) attributes and (3) metrics by manually creating them and selecting all the relevant elements and (4) the range of statistical items that are measured. The corresponding COG concepts are automatically suggested, using RDFa, when a user enters a word in the text box provided. It is also possible to save and reuse these configurations for other spreadsheets, which adhere to the same structure (e.g. for data published in consecutive years). Once the transformation is configured by the user, this plugin takes care of automatically transforming the spreadsheets into RDF.
- Requirements
- Installation and configuration