<http://webisa.webdatacommons.org/prov/208475393>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/176062990> .
<http://webisa.webdatacommons.org/176062990>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/176062990>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.es> .
<http://webisa.webdatacommons.org/prov/208602994>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/176062990> .
<http://webisa.webdatacommons.org/176062990>	<http://www.w3.org/ns/prov#value>	"Furthermore, it has been found that contaminants such as metals and water are significantly reduced." .