<http://webisa.webdatacommons.org/prov/496608250>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/104141644> .
<http://webisa.webdatacommons.org/104141644>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<science.gov> .
<http://webisa.webdatacommons.org/104141644>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/104141644>	<http://www.w3.org/ns/prov#value>	"Boston, Massachusetts is a city that has experienced considerable demographic ..." .
<http://webisa.webdatacommons.org/prov/146342948>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/104141644> .