About: http://webisa.webdatacommons.org/198300745

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	A sphere, a torus, a pseudosphere, and a Klein bottle are examples of different types of surface.
http://www.w3.org/ns/prov#wasQuotedFrom	daviddarling.info