<https://www.phototag.blog/#/schema/person/c2161d1b85f00c3c48e761edd57fffb6>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.phototag.blog/come-testare-l-interoperabilita-di-un-software-con-i-metadati-iptc/>