About: http://webisa.webdatacommons.org/400817409

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	g such elements as halogen, sulfur, nitrogen, arsenic, phosphorus, oxygen, carbon, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com