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<http://webisa.webdatacommons.org/345947880>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<nationalgeographic.com> .
<http://webisa.webdatacommons.org/prov/78047577>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/345947880> .
<http://webisa.webdatacommons.org/345947880>	<http://www.w3.org/ns/prov#value>	"Other cities such as Houston, London, and Tokyo have also undertaken measures to reduce the impact of urban heat islands." .