About: http://webisa.webdatacommons.org/274896819

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	Two things to watch for though - Facebook is an external service, and might be down, slow or send errors back to your app. So, make sure to catch exceptions that might be thrown, or, ideally, use a background job to process the posting.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com