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[1] [2] is an ontological framework developed in the early 2000s with the objective of providing foundational support for conceptual modeling. It synthesizes elements from formal ontology , cognitive science , linguistics , and philosophical logic to inform the structure and semantics of conceptual models .
According to philosopher Rudolf Carnap, for example, ontological statements are relative to language and depend on the ontological framework of the speaker. This means that there are no framework-independent ontological facts since different frameworks provide different views while there is no objectively right or wrong framework. [87]
In 2021, the standard ISO/IEC 21838-2:2021 Information Technology — Top-level Ontologies (TLO) — Part 2: Basic Formal Ontology (BFO) was published by the Joint Technical Committee of the International Standards Organization and the International Electrotechnical Commission. [8] ISO/IEC 21838 is a multi-part standard.
OWL is a language for making ontological statements, developed as a follow-on from RDF and RDFS, as well as earlier ontology language projects including OIL, DAML, and DAML+OIL. OWL is intended to be used over the World Wide Web , and all its elements (classes, properties and individuals) are defined as RDF resources , and identified by URIs .
Individuals (instances) are the basic, "ground level" components of an ontology. The individuals in an ontology may include concrete objects such as people, animals, tables, automobiles, molecules, and planets, as well as abstract individuals such as numbers and words (although there are differences of opinion as to whether numbers and words are classes or individuals).
Although GFO provides one taxonomic tree, different axiom systems may be chosen for its modules. In this sense, GFO provides a framework for building custom, domain-specific ontologies. GFO exhibits a three-layered meta-ontological architecture consisting of an abstract top level, an abstract core level, and a basic level.
The Web Ontology Language (OWL) is a family of knowledge representation languages for authoring ontologies.Ontologies are a formal way to describe taxonomies and classification networks, essentially defining the structure of knowledge for various domains: the nouns representing classes of objects and the verbs representing relations between the objects.
The study of these acts from an ontological perspective is one of the driving forces behind relationship-oriented applied ontology. [7] This can involve concepts championed by ordinary language philosophers like Ludwig Wittgenstein. Applying ontology can also involve looking at the relationship between a person's world and that person's actions.