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1. WordNet® 3.0 (2006) |
ontology
n 1: (computer science) a rigorous and exhaustive organization
of some knowledge domain that is usually hierarchical and
contains all the relevant entities and their relations
2: the metaphysical study of the nature of being and existence
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2. The Collaborative International Dictionary of English v.0.48 |
Ontology \On*tol"o*gy\, n. [Gr. ? the things which exist
(pl.neut. of ?, ?, being, p. pr. of ? to be) + -logy: cf. F.
ontologie.]
1. That department of the science of metaphysics which
investigates and explains the nature and essential
properties and relations of all beings, as such, or the
principles and causes of being.
[1913 Webster]
2. (Computers) A systematic arrangement of all of the
important categories of objects or concepts which exist in
some field of discourse, showing the relations between
them. When complete, an ontology is a categorization of
all of the concepts in some field of knowledge, including
the objects and all of the properties, relations, and
functions needed to define the objects and specify their
actions. A simplified ontology may contain only a
hierarchical classification (a taxonomy) showing the
type subsumption relations between concepts in the field
of discourse. An ontology may be visualized as an abstract
graph with nodes and labeled arcs representing the objects
and relations.
Note: The concepts included in an ontology and the
hierarchical ordering will be to a certain extent
arbitrary, depending upon the purpose for which the
ontology is created. This arises from the fact that
objects are of varying importance for different
purposes, and different properties of objects may be
chosen as the criteria by which objects are classified.
In addition, different degrees of aggregation of
concepts may be used, and distinctions of importance
for one purpose may be of no concern for a different
purpose.
[PJC]
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3. The Free On-line Dictionary of Computing (30 December 2018) |
ontology
1. A systematic account of Existence.
2. (From philosophy) An explicit
formal specification of how to represent the objects, concepts
and other entities that are assumed to exist in some area of
interest and the relationships that hold among them.
For AI systems, what "exists" is that which can be
represented. When the knowledge about a domain is
represented in a declarative language, the set of objects
that can be represented is called the universe of discourse.
We can describe the ontology of a program by defining a set of
representational terms. Definitions associate the names of
entities in the universe of discourse (e.g. classes,
relations, functions or other objects) with human-readable
text describing what the names mean, and formal axioms that
constrain the interpretation and well-formed use of these
terms. Formally, an ontology is the statement of a logical
theory.
A set of agents that share the same ontology will be able to
communicate about a domain of discourse without necessarily
operating on a globally shared theory. We say that an agent
commits to an ontology if its observable actions are
consistent with the definitions in the ontology. The idea of
ontological commitment is based on the Knowledge-Level
perspective.
3. The hierarchical structuring of
knowledge about things by subcategorising them according to
their essential (or at least relevant and/or cognitive)
qualities. See subject index. This is an extension of the
previous senses of "ontology" (above) which has become common
in discussions about the difficulty of maintaining subject
indices.
(1997-04-09)
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Thesaurus Results for Ontology:
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1. Moby Thesaurus II by Grady Ward, 1.0 |
aesthetics, axiology, casuistry, cosmology, epistemology, ethics, existentialism, first philosophy, gnosiology, logic, mental philosophy, metaphysics, moral philosophy, phenomenology, philosophastry, philosophic doctrine, philosophic system, philosophic theory, philosophical inquiry, philosophical speculation, philosophy, school of philosophy, school of thought, science of being, sophistry, theory of beauty, theory of knowledge, value theory |
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Common Misspellings > |
Ontology nOntology nOtology OnOtology ntology OOntology Otnology Ontnology Otology Onntology Onotlogy Ontotlogy Onology Onttology Ontloogy Ontoloogy Ontlogy Ontoology Ontoolgy Ontololgy Ontoogy Ontollogy Ontolgoy Ontologoy Ontolgy Ontoloogy Ontoloyg Ontologyg Ontoloy Ontologgy Ontoloygy Ontolog Ontologyy 9ntology o9ntology 9ontology (ntology o(ntology (ontology 0ntology o0ntology 0ontology intology ointology iontology pntology opntology pontology kntology okntology kontology lntology olntology lontology antology entology untology Ogtology Ongtology Ogntology Ohtology Onhtology Ohntology Ojtology Onjtology Ojntology Obtology Onbtology Obntology Omtology Onmtology Omntology O tology On tology O ntology On5ology Ont5ology On5tology On%ology Ont%ology On%tology On6ology Ont6ology On6tology Onrology Ontrology Onrtology Onyology Ontyology Onytology Onfology Ontfology Onftology Ongology Ontgology Ongtology Onhology Onthology Onhtology Ont9logy Onto9logy Ont9ology Ont(logy Onto(logy Ont(ology Ont0logy Onto0logy Ont0ology Ontilogy Ontoilogy Ontiology Ontplogy Ontoplogy Ontpology Ontklogy Ontoklogy Ontkology Ontllogy Ontollogy Ontlology Ontalogy Ontelogy Ontulogy Ontoiogy Ontoliogy Ontoilogy Ontooogy Ontoloogy Ontoology Ontopogy Ontolpogy Ontoplogy Ontokogy Ontolkogy Ontoklogy Onto,ogy Ontol,ogy Onto,logy Onto.ogy Ontol.ogy Onto.logy Ontol9gy Ontolo9gy Ontol9ogy Ontol(gy Ontolo(gy Ontol(ogy Ontol0gy Ontolo0gy Ontol0ogy Ontoligy Ontoloigy Ontoliogy Ontolpgy Ontolopgy Ontolpogy Ontolkgy Ontolokgy Ontolkogy Ontollgy Ontololgy Ontollogy Ontolagy Ontolegy Ontolugy Ontolory Ontologry Ontolorgy Ontoloty Ontologty Ontolotgy Ontoloyy Ontologyy Ontoloygy Ontolofy Ontologfy Ontolofgy Ontolohy Ontologhy Ontolohgy Ontolovy Ontologvy Ontolovgy Ontoloby Ontologby Ontolobgy Ontolony Ontologny Ontolongy Ontolo y Ontolog y Ontolo gy Ontolog6 Ontology6 Ontolog6y Ontolog^ Ontology^ Ontolog^y Ontolog7 Ontology7 Ontolog7y Ontologt Ontologyt Ontologty Ontologu Ontologyu Ontologuy Ontologg Ontologyg Ontologgy Ontologh Ontologyh Ontologhy Ontologj Ontologyj Ontologjy Definition commonly spelled as: Defanition or Defenition, Synonym as: Synonim, Sinonym or Sinonim, Thesaurus as: Thesorus or Thesauris, Dictionary as: Dictionery or Dictionry and Define is usually not misspelled. What does mispell meen? It Meens...
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