About: http://webisa.webdatacommons.org/6632635

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	In fact, other than this, a rotational single minor or a rotational double mirror such as a pyramidal mirror, a mortise-hole-type mirror, a galvano mirror, or the like may be used instead.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com