About: http://webisa.webdatacommons.org/257392074

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	Hernon and McClure derived the ???55 percent rule??? for reference accuracy from these results and previous unobtrusive studies conducted by both the authors and other researchers.
http://www.w3.org/ns/prov#wasQuotedFrom	ualberta.ca