About: http://webisa.webdatacommons.org/450956188

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	Have a field that captures the Source of the Data, so you will know what entries where made manually (and by whom) an which was by the app. (This is a good idea regardless of your logging problem).
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com