About: http://webisa.webdatacommons.org/8302371

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	This is typically mentioned as being for a specific amount of time (I generally opt for 6 years), and also for an unending period after that, till such time as decided by either of the parties to terminate the contract,
http://www.w3.org/ns/prov#wasQuotedFrom	elertgadget.com