A semantic network is a collection of nodes representing objects or concepts. Each node may have named attributes (e.g. "nos_of_legs:4") and directed relationships to other nodes (e.g. "owns"). The possible attributes and relationship sis sometimes defined in a formal ontology.
Used in Chap. 2: pages 19, 20, 21; Chap. 5: page 69; Chap. 6: pages 88, 92; Chap. 18: page 296; Chap. 22: pages 367, 370, 371
A fragment of a semantic network.