About: http://webisa.webdatacommons.org/86353307

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 bottom end has a concave curved shape whose shape is a function of the particular type of vortex to be created for the application at hand.
http://www.w3.org/ns/prov#wasQuotedFrom	faqs.org