About: http://webisa.webdatacommons.org/192031009

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	Got me on that one! :D Still not convinced of any benefit...but this sure is an interesting discussion that maybe only a bona-fide mechanical engineer can solve.
http://www.w3.org/ns/prov#wasQuotedFrom	bobdunsire.com