<http://webisa.webdatacommons.org/93531488>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<phys.org> .
<http://webisa.webdatacommons.org/93531488>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/433487486>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/93531488> .
<http://webisa.webdatacommons.org/93531488>	<http://www.w3.org/ns/prov#value>	"Americans say global warming is a problem" .