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Basic Formal Ontology

top-level ontology developed to promote interoperability among domain ontologies
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Basic Formal Ontology

Summary

Basic Formal Ontology is an ontology[1].

Key Facts

  • Basic Formal Ontology authored Barry Smith[2].
  • Basic Formal Ontology's image is recorded as BFO ontology.jpg[3].
  • Basic Formal Ontology's image is recorded as 基本形式化知識本體.jpg[4].
  • Basic Formal Ontology's instance of is recorded as ontology[5].
  • Basic Formal Ontology's instance of is recorded as upper ontology[6].
  • Basic Formal Ontology's maintained by is recorded as Barry Smith[7].
  • Basic Formal Ontology's copyright license is recorded as Creative Commons Attribution 4.0 International[8].
  • Basic Formal Ontology's part of is recorded as Open Biological and Biomedical Ontology Foundry Ontologies[9].
  • Basic Formal Ontology's part of is recorded as BLOD: Biomedical Linked Open Datasets[10].
  • Basic Formal Ontology's catalog code is recorded as bfo[11].
  • Basic Formal Ontology's catalog code is recorded as bfo11[12].
  • Basic Formal Ontology's Freebase ID is recorded as /m/07kf68d[13].
  • Basic Formal Ontology's contributor to the creative work or subject is recorded as Stefan Schulz[14].
  • Basic Formal Ontology's contributor to the creative work or subject is recorded as Jie Zheng[15].
  • Basic Formal Ontology's contributor to the creative work or subject is recorded as Melanie Courtot[16].
  • Basic Formal Ontology's contributor to the creative work or subject is recorded as Janna Hastings[17].
  • Basic Formal Ontology's contributor to the creative work or subject is recorded as James A. Overton[18].
  • Basic Formal Ontology's contributor to the creative work or subject is recorded as Charles Tapley Hoyt[19].
  • Basic Formal Ontology's contributor to the creative work or subject is recorded as Alan Ruttenberg[20].
  • Basic Formal Ontology's contributor to the creative work or subject is recorded as Christopher J. Mungall[21].
  • Basic Formal Ontology's contributor to the creative work or subject is recorded as Niels Grewe[22].
  • Basic Formal Ontology's official website is recorded as http://ifomis.org/bfo/[23].
  • Basic Formal Ontology's official website is recorded as http://basic-formal-ontology.org/[24].
  • Basic Formal Ontology's source code repository URL is recorded as https://github.com/bfo-ontology/BFO-2020[25].
  • Basic Formal Ontology's described by source is recorded as Q109302681[26].

Body

Geography

Part of include Open Biological and Biomedical Ontology Foundry Ontologies[9] and BLOD: Biomedical Linked Open Datasets[10], a health care[27].

Designation and Status

Recorded instance of include ontology[5] and upper ontology[6].

History and Context

Catalog codes include bfo[11] and bfo11[12].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . details-or-fragments.blogspot.com. Retrieved . details-or-fragments.blogspot.com. Provenance: wikidata.org.
  2. [4] ↑ . details-or-fragments.blogspot.com. Retrieved . details-or-fragments.blogspot.com. Provenance: wikidata.org.
  3. [5] ↑ . obofoundry.org. Retrieved . obofoundry.org. Provenance: wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [2] ↑ . wikidata.org.
  6. [7] ↑ . obofoundry.org. obofoundry.org. Provenance: wikidata.org.
  7. [8] ↑ . obofoundry.org. Retrieved . obofoundry.org. Provenance: wikidata.org.
  8. [9] ↑ . obofoundry.org. Retrieved . obofoundry.org. Provenance: wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . wikidata.org.
  12. [13] ↑ . wikidata.org.
  13. [14] ↑ . wikidata.org.
  14. [15] ↑ . wikidata.org.
  15. [16] ↑ . wikidata.org.
  16. [17] ↑ . wikidata.org.
  17. [18] ↑ . wikidata.org.
  18. [19] ↑ . wikidata.org.
  19. [20] ↑ . wikidata.org.
  20. [21] ↑ . wikidata.org.
  21. [22] ↑ . wikidata.org.
  22. [23] ↑ . obofoundry.org. Retrieved . obofoundry.org. Provenance: wikidata.org.
  23. [24] ↑ . wikidata.org.
  24. [25] ↑ . wikidata.org.
  25. [26] ↑ . bioregistry.io. bioregistry.io. Provenance: wikidata.org.

Inline context (facts about related entities)

  1. [27] ↑ . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Basic Formal Ontology. Retrieved May 3, 2026, from https://4ort.xyz/entity/basic-formal-ontology
MLA “Basic Formal Ontology.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/basic-formal-ontology.
BibTeX @misc{4ortxyz_basic-formal-ontology_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Basic Formal Ontology}}, year = {2026}, url = {https://4ort.xyz/entity/basic-formal-ontology}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Basic Formal Ontology — https://4ort.xyz/entity/basic-formal-ontology (retrieved 2026-05-03)

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