About: http://webisa.webdatacommons.org/119499479

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	You might not need to use any of these file types yourself but an overview can be helpful, if only to know something about what the system is doing behind the scenes.
http://www.w3.org/ns/prov#wasQuotedFrom	slicehost.com