About: http://webisa.webdatacommons.org/255160475

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	Suppose I have a compact 3-dimensional submanifold N of S X (0,1) which has one boundary component, where S is a closed surface.
http://www.w3.org/ns/prov#wasQuotedFrom	mathoverflow.net