947764ef_asi_Believable_Quantifier_Laws___Intervals_via_Matrix_encoding
tree reorganization is very simple [Nested Sets] tree reorganization is hard [Materialized Path] tree reorganization is easy
tree reorganization is easy (but not as simple as in AR)
One more Nested Intervals vs. Adjacency List comparison | Quasi Believable Quantifier Laws
Nested Intervals via Matrix encoding