About: http://webisa.webdatacommons.org/455027648

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	It breaks down the maths section into major topics (pre-algebra, algebra, geometry, trig, etc), then covers specific types of problems within each major topic.
http://www.w3.org/ns/prov#wasQuotedFrom	braindumps.com