About: http://webisa.webdatacommons.org/342280436

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	If it is empty you can also add additional information such as light casting, reference to some entity (for adding game models or other stuff), logic flags (such as flag for exit or "start or hazard), etc.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com