BFO 2020: Difference between revisions

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ISO/IEC 21838-1 Top-Level Ontologies (TLO) (= Part 1 of a multipart standard; specifies the requirements for being a TLO)
==ISO/IEC 21838 Top-Level Ontologies (TLO)==
:published by ISO in August 2021 at [https://www.iso.org/standard/71954.html https://www.iso.org/standard/71954.html]
:Part 1 of this standard was published by ISO in August 2021. It specifies the ''requirements'' for being a top-level ontology.
:freely available to those working on standards at [https://standards.iso.org/ittf/PubliclyAvailableStandards/index.html this ISO site]
:See [https://www.iso.org/standard/71954.html https://www.iso.org/standard/71954.html]
:For those working on standards this document is freely available at
:[https://standards.iso.org/ittf/PubliclyAvailableStandards/index.html this ISO site]


ISO/IEC 21838-2 (= Part 2, which standardizes BFO as a top-level ontology conforming to Part 1)
''ISO/IEC 21838-2 Basic Formal Ontology (BFO)''
:This is Part 2 of the standard; it standardizes BFO 2020 as a top-level ontology conforming to Part 1. It was published by ISO in November, 2021, and is available at this ISO site
:[https://www.iso.org/standard/74572.html https://www.iso.org/standard/74572.html]
:For those working on standards this document is freely available at [https://standards.iso.org/ittf/PubliclyAvailableStandards/index.html this ISO site].


https://www.iso.org/standard/74572.html
==BFO 2020==
:This too will be freely available from ISO at the same [https://standards.iso.org/ittf/PubliclyAvailableStandards/index.html link].  
''The entire content of BFO 2020 is freely available here'':
:[https://standards.iso.org/iso-iec/21838/-2/ed-1/en/ https://standards.iso.org/iso-iec/21838/-2/ed-1/en/]
This includes:
:bfo-2020-terms.xlsx (terms and relational expressions with definitions and examples)
:bfo-2020-iris.xlsx (table of IRIs for all classes and relations in BFO-2020-CL, the Common Logic axiomatization of BFO, and including all classes and relations in BFO-2020-OWL)
:bfo-2020-relations-table.xlsx (table of all relations in BFO-2020-CL, including all inverses, reverses*, and all binary variants used in BFO-2020-OWL)
The ''owl folder'' includes
:bfo-2020.owl – OWL in rdf/xml format
:bfo-2020.ofn – OWL in functional syntax 
:bfo-2020-labeled.ofn – OWL in functional syntax with labels instead of IRIs
:bfo-2020-without-some-all-times.owl – as for 5. but without the binaryized relations
The ''common-logic folder'' provides the complete set of modules in the CL formalization of BFO-2020 together with
:temporalized-relations.cl, which contains CL definitions of the binary at-all-times/some-time relations used in bfo-2020-owl.
The ''pdf folder'' provides the complete set of modules in the CL axiomatization of BFO 2020 in traditional first-order logic (FOL) syntax.
The ''prover9 folder'' provides the same set of modules in prover 9 format, together with, together with
:temporalized-relations.p9, which provides the content of temporalized-relations.cl in prover9 format
The ''model folder'' provides three versions of the model used to prove consistency of the CL formalization, in prover 9, CLIF, and clausetester formats respectivly.
 
The most current version of these files will be at [https://github.com/BFO-ontology/BFO-2020 https://github.com/BFO-ontology/BFO-2020].
 
[*] The concept of reverse relation is only relevant for at-all-time relations. See
[[reverse-vs-inverse]] for an explanation.


:The entire formal content of BFO-2020 is available here:
For questions contact aruttenberg@gmail.com
:[https://standards.iso.org/iso-iec/21838/-2/ed-1/en/ https://standards.iso.org/iso-iec/21838/-2/ed-1/en/]

Latest revision as of 19:33, 6 May 2024

ISO/IEC 21838 Top-Level Ontologies (TLO)

Part 1 of this standard was published by ISO in August 2021. It specifies the requirements for being a top-level ontology.
See https://www.iso.org/standard/71954.html
For those working on standards this document is freely available at
this ISO site

ISO/IEC 21838-2 Basic Formal Ontology (BFO)

This is Part 2 of the standard; it standardizes BFO 2020 as a top-level ontology conforming to Part 1. It was published by ISO in November, 2021, and is available at this ISO site
https://www.iso.org/standard/74572.html
For those working on standards this document is freely available at this ISO site.

BFO 2020

The entire content of BFO 2020 is freely available here:

https://standards.iso.org/iso-iec/21838/-2/ed-1/en/

This includes:

bfo-2020-terms.xlsx (terms and relational expressions with definitions and examples)
bfo-2020-iris.xlsx (table of IRIs for all classes and relations in BFO-2020-CL, the Common Logic axiomatization of BFO, and including all classes and relations in BFO-2020-OWL)
bfo-2020-relations-table.xlsx (table of all relations in BFO-2020-CL, including all inverses, reverses*, and all binary variants used in BFO-2020-OWL)

The owl folder includes

bfo-2020.owl – OWL in rdf/xml format
bfo-2020.ofn – OWL in functional syntax
bfo-2020-labeled.ofn – OWL in functional syntax with labels instead of IRIs
bfo-2020-without-some-all-times.owl – as for 5. but without the binaryized relations

The common-logic folder provides the complete set of modules in the CL formalization of BFO-2020 together with

temporalized-relations.cl, which contains CL definitions of the binary at-all-times/some-time relations used in bfo-2020-owl.

The pdf folder provides the complete set of modules in the CL axiomatization of BFO 2020 in traditional first-order logic (FOL) syntax. The prover9 folder provides the same set of modules in prover 9 format, together with, together with

temporalized-relations.p9, which provides the content of temporalized-relations.cl in prover9 format

The model folder provides three versions of the model used to prove consistency of the CL formalization, in prover 9, CLIF, and clausetester formats respectivly.

The most current version of these files will be at https://github.com/BFO-ontology/BFO-2020.

[*] The concept of reverse relation is only relevant for at-all-time relations. See reverse-vs-inverse for an explanation.

For questions contact aruttenberg@gmail.com