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Each domain ontology typically models domain-specific definitions of terms. For example, the word card has many different meanings. An ontology about the domain of poker would model the "playing card" meaning of the word, while an ontology about the domain of computer hardware would model the "punched card" and "video card" meanings.
In some contexts, the term ontology refers not to the general study of being but to a specific ontological theory within this discipline. It can also mean an inventory or a conceptual scheme of a particular domain, such as the ontology of genes. [4] In this context, an inventory is a comprehensive list of elements. [5]
An example of an ontology that defines its own relation types and distinguishes between various categories of relation types is the Gellish ontology. For example, in the domain of automobiles, we might need a made-in type relationship which tells us where each car is built.
Terms in the domain ontology are ranked under the terms in the upper ontology, e.g., the upper ontology classes are superclasses or supersets of all the classes in the domain ontologies. A number of upper ontologies have been proposed, each with its own proponents. Library classification systems predate upper ontology systems. Though library ...
Applied ontology is the application of Ontology for practical purposes. This can involve employing ontological methods or resources to specific domains, [ 1 ] such as management , relationships , biomedicine , information science or geography .
Example of a constructed MBED Top Level Ontology based on the nominal set of views. [1]In computer science, information science and systems engineering, ontology engineering is a field which studies the methods and methodologies for building ontologies, which encompasses a representation, formal naming and definition of the categories, properties and relations between the concepts, data and ...
[2] [3] An explicit specification of a conceptualization is an ontology, and it may occur that a conceptualization can be realized by several distinct ontologies. [2] An ontological commitment in describing ontological comparisons is taken to refer to that subset of elements of an ontology shared with all the others.
The Computer Science Ontology (CSO) is an automatically generated taxonomy of research topics in the field of Computer Science. [1] [2] It was produced by the Open University in collaboration with Springer Nature by running an information extraction system over a large corpus of scientific articles. [3]