About: http://webisa.webdatacommons.org/271659934

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	Surfaces are selected in which the projected interface is not occluded by the user or other objects in the environment.
http://www.w3.org/ns/prov#wasQuotedFrom	faqs.org