<http://webisa.webdatacommons.org/prov/472484974>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/418195281> .
<http://webisa.webdatacommons.org/418195281>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<slideshare.net> .
<http://webisa.webdatacommons.org/418195281>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/418195281>	<http://www.w3.org/ns/prov#value>	"Error: can not read a property other than x & y" .