About: http://webisa.webdatacommons.org/193416468

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	Though there???s not one uniform way to calculate value-added measurements, the basic concept is to show whether a teacher helped improve test scores, attendance and other factors.
http://www.w3.org/ns/prov#wasQuotedFrom	augusta.com