About: http://webisa.webdatacommons.org/218880544

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	Thus, while your grouping is a little different, I do not think its too far away from the norm, and probably a little easier to find NAs rather than having to pull out the support materials ALL the time.
http://www.w3.org/ns/prov#wasQuotedFrom	gettingthingsdone.com