About: http://webisa.webdatacommons.org/40043686

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	Most definitely not, not for any isolation level including serializable.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com