About: http://webisa.webdatacommons.org/255172813

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	Such materials include, but are not limited to, metal oxides, such as ferric oxide, and carboniferous materials, such as acetylene black and graphite, or hydroxyl containing materials, such as alcohols or water.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk