About: http://webisa.webdatacommons.org/56342606

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	First, since regular materials such as copper or aluminum were out of the question, a transparent alternative had to be found.
http://www.w3.org/ns/prov#wasQuotedFrom	stanford.edu