| Formal ontologies are theories that attempt to give precise mathematical formulations of the properties and relations of certain entities. |
| Moreover, considerations on truth values give rise to deep ontological questions concerning their own nature, the feasibility of fact ontologies, and the role of truth values in such ontological theories. |
| However, he also sets out to show that such ontologies are not merely pleonastic, but also that an alternative account can be given free of all the difficulties mentioned. |
| Through the ages in East and West, many different ontologies have been put forward. |
| She has worked on projects that explore multihierarchial geoscience language and ontologies, open source technologies and searching distributed databases. |
| There are standards to meet the needs of users in respect of multilinguality covering learning objects, indexing and search, metadata and ontologies. |
