About: http://webisa.webdatacommons.org/123129736

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	sandboxes copy your entire production organization and all its data, including standard and custom object records, documents, and attachments.
http://www.w3.org/ns/prov#wasQuotedFrom	salesforce.com