About: http://webisa.webdatacommons.org/418130100

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	so this is a handy way to place obstacles such as doors that will later need to be
http://www.w3.org/ns/prov#wasQuotedFrom	pathengine.com