About: http://webisa.webdatacommons.org/112936707

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	There???s e.g. no reference to that on Wikipedia, though the study is discussed there, unlike your tiny Arizona one.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com