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ontology    音标拼音: [ɑnt'ɑlədʒi]
n. 存在论

存在论

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

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]

28 Moby Thesaurus words for "ontology":
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

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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  • 一篇文章讲清楚：Ontology为什么是企业落地Agent的关键
    在人工智能和大数据领域，Ontology被引入计算机科学，用于帮助机器“理解世界”，并构建可操作的知识结构。 简单来说，Ontology是现实世界在数字空间的镜像。 它不是一张静态的元数据表，而是一个动态的“知识图谱+业务逻辑引擎”体系。
  • Ontology - Wikipedia
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    Ontology（本体，国内通常译作“本体”，但也有学者认为“存在”更贴近其哲学本义）是哲学中研究存在本质的分支学科，与认识论相对。 在信息科学领域，该术语指代规范化的领域知识描述体系，通过定义概念、属性及关系构建结构化框架。
  • Ontology | Definition, History Examples | Britannica
    ontology, the philosophical study of being in general, or of what applies neutrally to everything that is real It was called “first philosophy” by Aristotle in Book IV of his Metaphysics
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    Ontology 的应用场景解析 Ontology 的应用 主要集中在身份与数据相关领域。 在数字身份方面，其 ONT ID 可用于 KYC、凭证管理与 Web3 登录系统；在数据领域，Ontology 支持数据确权与隐私保护，使数据能够在不同主体之间安全流通。
  • Logic and Ontology - Stanford Encyclopedia of Philosophy
    A number of important philosophical problems are at the intersection of logic and ontology Both logic and ontology are diverse fields within philosophy and, partly because of this, there is not one single philosophical problem about the relation between them
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    Pure philosophical ontology is different from applied scientific ontology, and ontology in the applied scientific sense can be understood either as a discipline or a domain
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    The meaning of ONTOLOGY is a branch of metaphysics concerned with the nature and relations of being How to use ontology in a sentence
  • What is Ontology? | Definition, History, Examples Analysis
    Ontology is metaphysics at its most abstract — concerned with the study of existence and reality itself — and so it is foundational to much philosophical thought
  • What Is an Ontology? | Springer Nature Link
    The word “ontology” is used with different senses in different communities The most radical difference is perhaps between the philosophical sense, which has of course a well-established tradition, and the computational sense, which emerged in the recent





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