About: http://webisa.webdatacommons.org/280844507

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	These dictionaries are the first thing to be defined in setting up a system; and since the other dictionary entries are all defined relative to a specific period, the first dictionary entry to be defined is a Period.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk