Page "Knowledge representation and reasoning" Paragraph 45

The ontologic commitment of a representation thus begins at the level of the representation technologies and accumulates from there.

Additional layers of commitment are made as we put the technology to work.

The use of frame-like structures in INTERNIST offers an illustrative example.

At the most fundamental level, the decision to view diagnosis in terms of frames suggests thinking in terms of prototypes, defaults, and a taxonomic hierarchy.

But prototypes of what, and how shall the taxonomy be organized?