About: http://webisa.webdatacommons.org/154004609

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	Written documents, sure, but some sort of relevant standard, no, not really.
http://www.w3.org/ns/prov#wasQuotedFrom	spacepolitics.com