About: http://webisa.webdatacommons.org/444497251

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	The graft may be a polymeric material, such as polyester, polypropylene, polyethylene, polyurethane, polynaphthalene, polytetrafluoroethylene, expanded polytetrafluoroethylene, silicone, and combinations thereof.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com