About: http://webisa.webdatacommons.org/199153980

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, polyethylenes, nylons, polyvinylchlorides, polyether block amides, polyurethanes, and other similar materials are all acceptable.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com