About: http://webisa.webdatacommons.org/454999548

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	I did a search on EPA since I know the EPA was a participant in the first discussions of ArcGIS Online Open Data Program (Directions Magazine coverage).
http://www.w3.org/ns/prov#wasQuotedFrom	directionsmag.com