Statistics on AMR graphs, out of 20,628 total. original = as provided in the corpus; reversed = with all edge labels of the form *-of reversed; reified = with certain roles reified as needed to break cycles. A graph with no edges is counted as having zero treewidth.
| . | original . | reversed . | reified . |
|---|---|---|---|
| cyclic | 746 | 105 | 3 |
| avg. roots | 1.07 | 2.37 | 2.37 |
| avg. treewidth | 1.55 | 1.55 | 1.55 |
| treewidth = 0 | 153 | 153 | 153 |
| treewidth = 1 | 10,174 | 10,174 | 10,148 |
| treewidth = 2 | 9,092 | 9,092 | 9,118 |
| treewidth = 3 | 1,178 | 1,178 | 1,178 |
| treewidth = 4 | 31 | 31 | 31 |
| . | original . | reversed . | reified . |
|---|---|---|---|
| cyclic | 746 | 105 | 3 |
| avg. roots | 1.07 | 2.37 | 2.37 |
| avg. treewidth | 1.55 | 1.55 | 1.55 |
| treewidth = 0 | 153 | 153 | 153 |
| treewidth = 1 | 10,174 | 10,174 | 10,148 |
| treewidth = 2 | 9,092 | 9,092 | 9,118 |
| treewidth = 3 | 1,178 | 1,178 | 1,178 |
| treewidth = 4 | 31 | 31 | 31 |