About: http://webisa.webdatacommons.org/441206921

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	Running the test-case that Olga had thankfully supplied and then that our own Chris Muir had further simplified, the problem certainly reproduced, so it seemed to be real, however, reading the code there was a clue to what was going on.
http://www.w3.org/ns/prov#wasQuotedFrom	oracle.com