About: http://webisa.webdatacommons.org/42352007

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 surface is a simple example of a topological space, the basic entity studied in topology.Different types of topological spaces are defined according to axioms satisfied by the sets of points that constitute the space.
http://www.w3.org/ns/prov#wasQuotedFrom	questia.com