About: http://webisa.webdatacommons.org/412652170

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	Javascript forces the page to post empty data to the server, it is a kind of ping.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com