About: http://webisa.webdatacommons.org/300291173

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	And like with everything, you have to know that stuff.Good survey is a good thing, they collected some interesting data I guess, but those conclusions are just plain silly, comparing incomparable.
http://www.w3.org/ns/prov#wasQuotedFrom	infoq.com