About: http://webisa.webdatacommons.org/431692174

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	No, indeed we do not say that they are explicitly not support - but I do know they are not tested :) and SQL Azure is a different product (name & version), so it is not listed in the doc.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com