About: http://webisa.webdatacommons.org/309243455

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	hydroxyl group, a hydrogen atom or a hydrolyzable group, wherein two or more Xs are bound to the Si atom, they may be the same or different; a is 0, 1, 2 or 3; b is 0, 1 or 2; and m is an integer of 0 to 18.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk