About: http://webisa.webdatacommons.org/137606484

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	During the normal site links, each site requests such key blocks as needed from the root or from other sites in the activity group, then uses the keys itself or delegates them to other sites in the activity group as necessary.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk