About: http://webisa.webdatacommons.org/50817428

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	The black squares represent houses and other major structures.
http://www.w3.org/ns/prov#wasQuotedFrom	clevelandareahistory.com