About: http://webisa.webdatacommons.org/225052212

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	This part will mainly be about geometry and topology, and in the second part I will talk about the physics.In order to explain the idea I want to introduce the concept of a universal cover.
http://www.w3.org/ns/prov#wasQuotedFrom	sigfpe.com