About: http://webisa.webdatacommons.org/109259492

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	In one embodiment, a user might be able to use their email address, social security number, or other pre-existing data item as a key associated with document enhancements to be used with a document.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk