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. Author manuscript; available in PMC: 2010 Sep 1.

Published in final edited form as: Web Semant. 2009 Sep 1;7(3):235–251. doi: 10.1016/j.websem.2009.04.001

Fig. 1 — Entities are identified by their id; where the label is different, it is shown in parenthesis. Comments for entities are not shown. Subsumption is indicated by a directional arrow; equivalence by a bidirectional arrow, and disjointness by a dotted arrow. Cardinalities are shown next to each property. (a) shows the classes and properties of the ontology; (b) shows individuals belonging to each ontology. The ontologies themselves and graphical notation are based on an example in [14], modified to illustrate multiple inheritance, compound property domains, disjointness, multiple cardinalities, and individual matching.

Fig. 1 — Entities are identified by their id; where the label is different, it is shown in parenthesis. Comments for entities are not shown. Subsumption is indicated by a directional arrow; equivalence by a bidirectional arrow, and disjointness by a dotted arrow. Cardinalities are shown next to each property. (a) shows the classes and properties of the ontology; (b) shows individuals belonging to each ontology. The ontologies themselves and graphical notation are based on an example in [14], modified to illustrate multiple inheritance, compound property domains, disjointness, multiple cardinalities, and individual matching.