About: http://webisa.webdatacommons.org/133708252

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	For example, if you identify exactly two nodes, it will still be mostly a tree, with one loop, and this cannot be a Cayley graph, since in a Cayley graph, all nodes are isomorphic.
http://www.w3.org/ns/prov#wasQuotedFrom	mathoverflow.net