Photo of a library card catalogue.

Metadata gives structure to data

Metadata is structured data about data. It is used to describe the content of a document. The content description is done to make a document easier to retrieve. It is the way library catalogues work for example. The metadata in the catalogue consists of author, title, topic etcetera. All of which are descriptions of the […]

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CC REL – A Rights Expression Language

RELs, or Rights Expression Languages, are used to express the rights (often copyright) associated with a work in a way that can be read and understood by machines. There are many RELs and we have gone through most of them in our search for a language that is optimal for our needs. One of the […]

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