About: http://webisa.webdatacommons.org/31938250

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	Well, if you want to argue efficiency, then a pure hard-coded HTML site is about as efficient as it gets, but maintenance is a problem, duplication of effort is a problem, and you do not get nifty dynamic content.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com