About: http://webisa.webdatacommons.org/319799135

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	(K, Rb, Ba), Group 5 (Li, Cd) and Group 6 (other elements such as Sr, Cu).
http://www.w3.org/ns/prov#wasQuotedFrom	science.gov