About: http://webisa.webdatacommons.org/51781248

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	This procedure first pops the stack, i.e. removes the element 904 from the element stack, then checks to see if there is a pending error message.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca