<http://webisa.webdatacommons.org/prov/19356024>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/282379250> .
<http://webisa.webdatacommons.org/282379250>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<faqs.org> .
<http://webisa.webdatacommons.org/282379250>	<http://www.w3.org/ns/prov#value>	"system there is a collection of previously solved problems called cases." .
<http://webisa.webdatacommons.org/282379250>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .