About: http://webisa.webdatacommons.org/21534210

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	Ghosts occur when something in the scene (usually a person or other moving object) happens to be in one photo but not the other where the two overlap.
http://www.w3.org/ns/prov#wasQuotedFrom	debaclesoftware.com