<http://webisa.webdatacommons.org/441828269>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<esciencenews.com> .
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<http://webisa.webdatacommons.org/prov/110701560>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/441828269> .
<http://webisa.webdatacommons.org/441828269>	<http://www.w3.org/ns/prov#value>	"First, the scientists developed a comprehensive national geographic information system database that evaluated topography, population, land use and other information about the contiguous United States." .
<http://webisa.webdatacommons.org/prov/315801813>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/441828269> .