find KOKO concepts that are musical instruments but not YSO-concepts #197

Simple SPARQL search should be able to do this:

Tasks

• Find all narrower concepts of soittimet http://www.yso.fi/onto/koko/p32104
• Select only those that are NOT of type ysometa:Concept ;
  • List their types, labels, mappings, etc.
• Check that these are in Seko.
  • If not, should be added to SEKO3.