About: http://webisa.webdatacommons.org/200605940

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	The contacts may be a metal such as aluminum Al, aluminum silicon Al[%Si], copper Cu, gold Au, silver Ag, titanium Ti, tungsten W, nickel Ni or the like and combinations thereof or may be doped or undoped polysilicon.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com