About: http://webisa.webdatacommons.org/120252200

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	Is there a way to test whether the address is available without raising an exception?
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com