About: http://webisa.webdatacommons.org/311031016

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	There are many more factors involved (mostly geometry) and especially in composite material (skins, skin adhesion, etc..) but this is a fair starting point IMO.
http://www.w3.org/ns/prov#wasQuotedFrom	rcgroups.com