About: http://webisa.webdatacommons.org/319401949

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	If you want to use the char* overload of >>, then pass saying (i.e. the address variable) directly, do not dereference it or do anything else to it.There are a couple more good links here to help demystify the syntax:
http://www.w3.org/ns/prov#wasQuotedFrom	dreamincode.net