About: http://webisa.webdatacommons.org/161891969

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	According to Jeremy Wagner, author of Mean Deviation said in his book that there are two types of Progressive.
http://www.w3.org/ns/prov#wasQuotedFrom	metal-rules.com