: AlignmentObjecthttp://schema.org/ Create a prefix for http://schema.org/ Hit Enter to save Double click to create a prefix | rdfs:subClassOf | : Intangiblehttp://schema.org/ Create a prefix for http://schema.org/ Hit Enter to save Double click to create a prefix | : customschemashttps://digitaalerfgoed.poolparty.biz/system/ Create a prefix for https://digitaalerfgoed.poolparty.biz/system/ Hit Enter to save Double click to create a prefix |