PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • I feel like the first thing to do (assuming X is noetherian) is to reduce to showing that a square-zero thickening of a scheme is a scheme.
http://www.w3.org/ns/prov#wasQuotedFrom
  • mathoverflow.net