About: http://webisa.webdatacommons.org/225359440

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	They describe the properties of and compare the quadrangles, as well as identify the types of quadrangles.
http://www.w3.org/ns/prov#wasQuotedFrom	uchicago.edu