About: http://webisa.webdatacommons.org/121244626

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	y also contain one or more, preferably 1 or 2, identical or different heteroatoms selected from the group consisting of Si, Ge, N, P, O, S, Se and Te, preferably Si, Ge, N, O and S, in particular O and S.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com