About: http://webisa.webdatacommons.org/203737004

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	They are using the message to activate the main window of the other process, but it seems like the message could be a dummy message only used to see whether the other process is responding to it to know whether it is our process or not.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com