<http://webisa.webdatacommons.org/prov/205996909>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/183992475> .
<http://webisa.webdatacommons.org/183992475>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/183992475>	<http://www.w3.org/ns/prov#value>	"Big cities such as Tokyo, Osaka, and Yokohama led the way in cleaning up their air and waterways." .
<http://webisa.webdatacommons.org/183992475>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<chinafile.com> .