About: http://webisa.webdatacommons.org/148704391

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	He made an unscientific study of math teaching in Montgomery and concluded that, by his standards, 20 to 40 percent of what is taught is a waste of time.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com