About: http://webisa.webdatacommons.org/117911575

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	After all, Ozone technology for swimming pools has been in regular use for over 50 years in places like Germany, France and other European nations.
http://www.w3.org/ns/prov#wasQuotedFrom	about.com