About: http://webisa.webdatacommons.org/417924042

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	If the request is an upgrade then the filter registers an endpoint for the web socket connection.
http://www.w3.org/ns/prov#wasQuotedFrom	apache.org