{"@context":"https://schema.org","@type":"Class","@id":"https://schema.org/Duration","rdfs:label":"Duration","rdfs:comment":"Quantity: Duration (use [ISO 8601 duration format](http://en.wikipedia.org/wiki/ISO_8601)).","rdfs:subClassOf":[{"@id":"https://schema.org/Quantity"}],"schema:properties":[],"schema:subTypes":[]}