<http://webisa.webdatacommons.org/391362622>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/50087501>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/391362622> .
<http://webisa.webdatacommons.org/391362622>	<http://www.w3.org/ns/prov#value>	"from 8 cities distributed in 4 provinces, including the Jiangsu, Guangdong, Hainan" .
<http://webisa.webdatacommons.org/391362622>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<biomedcentral.com> .