About: http://webisa.webdatacommons.org/409604638

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 protuberances are preferably generally hemispherical in shape, but other shapes, such as cylinders, tapered bodies or other configurations may also be effective.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com