Morgan Kaufmann/Elsevier, 2004. — 238 p. — ISBN: 1-55860-920-2.
Graphs, Trees, and Hierarchies.
Adjacency List Model.
Path Enumeration Models.
Nested Set Model of Hierarchies.
Frequent Insertion Trees.
The Linear Version of the Nested Sets Model.
Binary Trees.
Other Models for Trees.
Proprietary Extensions for Trees.
Hierarchies in Data Modeling.
Hierarchical Encoding Schemes.
Hierarchical Database Systems (IMS).