About: http://webisa.webdatacommons.org/228050047

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 your GA tracking code, you want to check for the presence of the __utma cookie which will be present only if the user is a returning visitor.
http://www.w3.org/ns/prov#wasQuotedFrom	moz.com