PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The next thing you can try is looking for a bad minors in your graph, and remove one of their edges iteratively ! (This is obviously not a good way to generate large planar graphs, but it does not take 10 lines, and is, anyway, mainly an excuse to show you how to use Sage !)
http://www.w3.org/ns/prov#wasQuotedFrom
  • steinertriples.fr