Create a prefix for https://creativecommons.org/publicdomain/zero/

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Create a prefix for http://art.uniroma2.it/

Create a prefix for http://jogracia.url.ph/

Create a prefix for http://mayor2.dia.fi.upm.es/oeg-upm/index.php/en/teachers/

Create a prefix for http://www.dfki.de/

Create a prefix for http://www.ilc.cnr.it/en/content/

Create a prefix for http://www.istc.cnr.it/people/

Create a prefix for http://www.oeg-upm.net/index.php/teachers/

Create a prefix for https://sites.google.com/site/

Create a prefix for http://www.w3.org/community/

Create a prefix for http://www.w3.org/ns/lemon/