About: http://webisa.webdatacommons.org/53264432

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, materials such as calcium chloride, sodium chloride, plaster of Paris, sodium silicate (Na2 SiO2), sea water, or the like, may be employed.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com