<http://webisa.webdatacommons.org/125328818>	<http://www.w3.org/ns/prov#value>	"Politicians, including President Barack Obama, have called for tighter gun control since then." .
<http://webisa.webdatacommons.org/prov/260610215>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/125328818> .
<http://webisa.webdatacommons.org/125328818>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/125328818>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<news.net> .