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. 2016 May 4;7:12. doi: 10.1186/s13326-016-0049-1

Fig. 3.

Fig. 3

The modular architecture supporting independent ontology development, validation, use, and evolution. The sub-domain ontologies (O1-O5) are composed of domain-specific TBox and RBox modules. Module O6 consists of a TBox that is common to all other modules