About: http://webisa.webdatacommons.org/189513446

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	(HSi(OH)xO3???x/2)n where n is an integer greater than about 8, x is a number between 0 and 2, and preferably less than 1.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com