About: http://webisa.webdatacommons.org/87383135

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	Without judging whether or not the steps described are the best approach, I think that Suyo works for AdventNet and they make a product that automates those steps, which I believe answers your question as to why bother.
http://www.w3.org/ns/prov#wasQuotedFrom	theserverside.com