About: http://webisa.webdatacommons.org/91266748

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	Once you do it like you have explained you realise that they are very well thought out and easy to operate, until then if you have not used the unit, confidence and trust are a bit low.
http://www.w3.org/ns/prov#wasQuotedFrom	rcgroups.com