About: http://webisa.webdatacommons.org/289239954

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	Your membrane is an 'interface' and the types of the objects are existentially typed -- that is, we know they exist under the interface, but he is all we know.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com