About: http://webisa.webdatacommons.org/61419117

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 is probably a wack of corner-cases that are handled differently and nobody wants to revisit the code to account for them.From the sounds of it, Nobody, except the author actually cares.
http://www.w3.org/ns/prov#wasQuotedFrom	arstechnica.com