About: http://webisa.webdatacommons.org/274830777

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 can be used with any subject, but is especially useful for math practice and testing.Teachers can create individualized tests, or access a public test library.
http://www.w3.org/ns/prov#wasQuotedFrom	educational-freeware.com