About: http://webisa.webdatacommons.org/297459812

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	The present system is also useful in areas where the water has been contaminated by environmental disasters such as gasoline leaks, chemicals, and other pollutants and contaminants, as known in the art.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com