About: http://webisa.webdatacommons.org/298859236

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	emphasis on proof (e.g., geometry or number theory). general is an optional subject in the secondary school
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com