About: http://webisa.webdatacommons.org/415444794

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	For example, when a divalent metal such as calcium and magnesium is used, the metal atom corresponding to monovalency is represented, e.g., by Ca1/2, Mg1/2 or the like.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk