<http://webisa.webdatacommons.org/122477146>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<epfl.ch> .
<http://webisa.webdatacommons.org/prov/500503331>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/122477146> .
<http://webisa.webdatacommons.org/122477146>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/122477146>	<http://www.w3.org/ns/prov#value>	"applications, there are many cases where multiple types of objects exist" .