About: http://webisa.webdatacommons.org/367081087

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	ahNovember 4, 2011 at 9:04 AMAJ- no easy answer to that- but you do point to one of the things that really is a challenge.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com