Fig. 6From: Two metrics on rooted unordered trees with labelsThree trees \(T_1,T_2,T_3\), used to compare the bottom-up distance \(\mathrm {D_{BU}}\), the subtree distance \(\mathrm {D_{ST}}\), the best-match metric \(\mathrm {D_{BM}}\), and the left-regular metric \(\mathrm {D_{LR}}\)Back to article page