About: http://webisa.webdatacommons.org/275646706

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	appropriate only if the "occurrence" that triggers coverage is a polluting event.
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com