About: http://webisa.webdatacommons.org/54400863

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 calender is a series of hard pressure rollers used to form or smooth a sheet of material such as paper or plastic film.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org