About: http://webisa.webdatacommons.org/426814002

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	Is htmlspecialchars() enough to escape things such as GET variables which do not come from the database?
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com