About: http://webisa.webdatacommons.org/30065835

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	Having no crossdomain.xml means that a Flash application can not make a request to your website in the first place - so if you do not have one that is more locked down already than including one.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com