<http://webisa.webdatacommons.org/prov/377331092>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/18461542> .
<http://webisa.webdatacommons.org/18461542>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<people.cn> .
<http://webisa.webdatacommons.org/18461542>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/75989458>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/18461542> .
<http://webisa.webdatacommons.org/18461542>	<http://www.w3.org/ns/prov#value>	"Beijing, Shanghai and other major cities are often shrouded with heavy smog." .