About: http://webisa.webdatacommons.org/413741301

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	ABCD is a square and E is the midpoint on DC and F is the midpoint of BC
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com