About: http://webisa.webdatacommons.org/454222432

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	u all back to Pat Helland's excellent section on messages from his article on data inside and out, which I think is a wonderful start in the right direction.
http://www.w3.org/ns/prov#wasQuotedFrom	blogs.com