dubai-02-wave2: 188 firms resolved to one ORN and named at all; 66 named on more than one surface
  distinct strings within the widest single surface: mean 2.35, max 8
  distinct strings across surfaces:                  mean 3.00, max 10
  cross-surface diversity above within-surface:      mean +0.65 strings per firm
  mean pairwise overlap of two surfaces' spellings of the same firm: 0.524 (1.0 means the engines spell it identically)
  firms where no two surfaces share a spelling: 9 of 66

unresolved strings: 5456 run-level, 3484 distinct; 774 run-firm pair(s) added by generous matching
  strict   104 of 115 below the mean (90.4%), median ratio 0.652
  generous 102 of 115 below the mean (88.7%), median ratio 0.662
  bound: at most 1.7% of the share and 0.010 of the median ratio could be spelling
