About: http://webisa.webdatacommons.org/174240124

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 bismuthal oxides include Bi2 Sr2 Can-1 Cun O4+2n+x, where n is a positive integer.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com