About: http://webisa.webdatacommons.org/417208810

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	As an example, here is a link I found, with lessons for 2nd grade:
http://www.w3.org/ns/prov#wasQuotedFrom	secularhomeschool.com