About: http://webisa.webdatacommons.org/203826140

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	There are a few other requirements, too, such as ability to export to file formats often demanded by publishers (such as pdf, Word, and plain ASCII text)
http://www.w3.org/ns/prov#wasQuotedFrom	derkeiler.com