<http://webisa.webdatacommons.org/211138251>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/211138251>	<http://www.w3.org/ns/prov#value>	"The phenomenon is a mystery to the adult world and media, who try to ascertain the origin of mass teen violence." .
<http://webisa.webdatacommons.org/prov/219175243>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/211138251> .
<http://webisa.webdatacommons.org/211138251>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<wikipedia.org> .