About: http://webisa.webdatacommons.org/29280563

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	Even better, he gives a generators and relations" description of this gadget, which is just the sort of thing we need for the 2d version of the cobordism hypothesis:
http://www.w3.org/ns/prov#wasQuotedFrom	ucr.edu