About: http://webisa.webdatacommons.org/259917128

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	whilst its difficult to the reverse the dynamic (I cannot unlearn my maths for example and do a 2011 gcse) you can get todays kids and say here is an 1975 o- level chemistry paper and say easier or harder?
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com