<http://webisa.webdatacommons.org/prov/316190372>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/130400767> .
<http://webisa.webdatacommons.org/130400767>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/130400767>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<att.com> .
<http://webisa.webdatacommons.org/130400767>	<http://www.w3.org/ns/prov#value>	"Visual exploration of massive data sets arising from telecommunication networks and services is a challenge." .