By analogy, the content component
of the SUO is like the various software applications, such as word
processors, browsers, spreadsheet software, databases, etc. The content
aspect would include domain ontologies such as Casati and Varzi's ontology
of holes, John Sowa's upper ontology, Barry Smith's Formal Theory of
Boundaries/Objects, Borgo, Guarino, and Masolo's Formal Theory of Physical
Objects, the public Cyc ontology, ontologies for organizations, ontologies
for repositories, etc. Some of the terms that