About: http://webisa.webdatacommons.org/288676811

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	is a member selected from the group consisting of -S and NR, wherein R is a hydrogen atom or a lower alkyl radical of from 1 to 6 carbon atoms.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com