About: http://webisa.webdatacommons.org/401007649

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	Choose from topics such as Number Concepts, Patterns & Relationships, Statistics & Probability, or Shapes & Spaces.
http://www.w3.org/ns/prov#wasQuotedFrom	teachersfirst.com