Table 1 Summary of the comparisons in the “Comparison of existing methods and new methods”
\(\mathrm {D_{BM}}\) | \(\mathrm {D_{LR}}\) | Size of largest common forest | \(\mathrm {D_{BU}}\) | Size of largest common subtree | \(\mathrm {D_{ST}}\) | |
|---|---|---|---|---|---|---|
\(T_1\) and \(T_2\) | 3 | 3 | 4 | 3/7 | 1 | 6/7 |
\(T_1\) and \(T_3\) | 5 | 5 | 4 | 3/7 | 1 | 6/7 |
\(T_2\) and \(T_3\) | 5 | 5 | 4 | 3/7 | 1 | 6/7 |
\(T_4\) and \(T_5\) | 2 | 2 | 0 | 1 | 0 | 1 |
\(T_4\) and \(T_6\) | 6 | 6 | 0 | 1 | 0 | 1 |
\(T_5\) and \(T_6\) | 6 | 6 | 0 | 1 | 0 | 1 |
\(T_7\) and \(T_8\) | 1 | 1 | 2 | 2/3 | 1 | 5/6 |
\(T_7\) and \(T_9\) | 5 | 5 | 3 | 1/2 | 1 | 5/6 |
\(T_7\) and \(T_{10}\) | 1 | 8 | 4 | 1/3 | 4 | 1/3 |
\(T_7\) and \(T_{11}\) | 9 | 9 | 6 | 1/7 | 6 | 1/7 |
\(T_8\) and \(T_9\) | 5 | 5 | 2 | 2/3 | 1 | 5/6 |
\(T_8\) and \(T_{10}\) | 2 | 8 | 2 | 2/3 | 1 | 5/6 |
\(T_8\) and \(T_{11}\) | 8 | 8 | 2 | 5/7 | 1 | 6/7 |
\(T_9\) and \(T_{10}\) | 5 | 7 | 2 | 2/3 | 1 | 5/6 |
\(T_9\) and \(T_{11}\) | 7 | 7 | 3 | 4/7 | 1 | 6/7 |
\(T_{10}\) and \(T_{11}\) | 9 | 10 | 4 | 3/7 | 4 | 3/7 |