About: http://webisa.webdatacommons.org/23989918

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	Of course, we can get the message, check whether it is our message or not and if not push it back to the queue.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com