About: http://webisa.webdatacommons.org/144366527

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	A rather different construction might for example be a clear plastic box-like structure with fiducial elements, either brightly visible marks or shapes such as balls, at appropriate corners.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com