About: http://webisa.webdatacommons.org/209227572

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	Therefore, the photographing operation takes much time, and, at the same time, there is a problem that it is necessary to prepare a relatively large white sheet of paper or the like.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com