About: http://webisa.webdatacommons.org/417069829

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	system length, larger system glass mass, i.e. larger overall mass of the transparent material used for lenses and other transparent optical elements.
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com