About: http://webisa.webdatacommons.org/19952046

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	In this specification, (Si, Ge) denotes Si, Ge or a mixture including Si and Ge.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com