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Welcome to the Ontolog Forum!

This group hosts discussions of relevance to the Ontolog Community. Ontolog is a an open, international, virtual community of practice devoted to advancing the fields of ontology, ontological engineering, and semantic technology, and advocating their adoption into mainstream applications and international standards.

In addition to this discussion group, the Ontolog Community maintains:

The [ontolog-invitation] group, for event invitations and announcements
The [ontology-summit] group, for summit activities
A wiki, at http://ontologforum.org/index.php/WikiHomePage

Almost all Ontolog Community events take place virtually, typically including multiple channels of content and interaction. Such channels may include, for example, video recordings, chat, or shared documents. Ontolog events typically have not only real-time participants but also an extended audience, as many members access event materials after the fact, via the wiki. Discussions started around, or during, an event may also continue on this Forum.

Enjoy!

- The Ontolog Forum Board of Trustees

0 selected

Gary Berg-Cross

Mar 10

a bit more on World model versus ontology discussion from last weeks Ontology Summit discussion

At the last ontology summit meeting as part of my briefing I had a small slide on world models. This

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a bit more on World model versus ontology discussion from last weeks Ontology Summit discussion

At the last ontology summit meeting as part of my briefing I had a small slide on world models. This

Mar 10

Giorgio Ubbiali

Mar 10

Deadline Extension for Abstract Submission: Semantics & Philosophy (SPE 13) & OntoBRIX (Bressanone, June 8-9)

[apologies for cross-posting] ============================ Ontology and Semantics at the Intersection

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Deadline Extension for Abstract Submission: Semantics & Philosophy (SPE 13) & OntoBRIX (Bressanone, June 8-9)

[apologies for cross-posting] ============================ Ontology and Semantics at the Intersection

Mar 10

Mar 10

Ontology Summit 2026

We had a very well attended session on 4 March. If you were unable to attend be sure to check out the

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Ontology Summit 2026

We had a very well attended session on 4 March. If you were unable to attend be sure to check out the

Mar 10

Alex Shkotin, … John Antill13

Mar 9

IT-ontology vs knowledge base

John and All, Finally, I found time over the weekend to create the first version of IT-ontology

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IT-ontology vs knowledge base

John and All, Finally, I found time over the weekend to create the first version of IT-ontology

Mar 9

Mar 2

Ontologies and AI

We are pleased to announce that the Ontologies and AI track of the Ontology Summit 2026 will begin on

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Ontologies and AI

We are pleased to announce that the Ontologies and AI track of the Ontology Summit 2026 will begin on

Mar 2

Mar 2

ICBO 2026 Call For Papers

Dear colleagues. The 17th International Conference on Biological and Biomedical Ontology (ICBO) will

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ICBO 2026 Call For Papers

Dear colleagues. The 17th International Conference on Biological and Biomedical Ontology (ICBO) will

Mar 2

Feb 28

Agentic AI Ontology? Calls ?

Greetings Ontologers!! Hope everyone is keeping well on this list There is great confusion and

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Agentic AI Ontology? Calls ?

Greetings Ontologers!! Hope everyone is keeping well on this list There is great confusion and

Feb 28

Feb 27

First call for papers and presentations for the IFOW 2026 Integrated Food Ontology Workshop at JOWO/FOIS Vitoria, Brazil Sept 21-25

Apologies if this is cross-posted to you! Announcing the 1st call for papers and presentations at the

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First call for papers and presentations for the IFOW 2026 Integrated Food Ontology Workshop at JOWO/FOIS Vitoria, Brazil Sept 21-25

Apologies if this is cross-posted to you! Announcing the 1st call for papers and presentations at the

Feb 27

Giorgio Ubbiali

Feb 27

Call for Abstracts: Semantics & Philosophy (SPE 13) & OntoBRIX (Bressanone, June 8-9) - reminder

[apologies for cross-posting] ============================ Ontology and Semantics at the Intersection

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Call for Abstracts: Semantics & Philosophy (SPE 13) & OntoBRIX (Bressanone, June 8-9) - reminder

[apologies for cross-posting] ============================ Ontology and Semantics at the Intersection

Feb 27

Giorgio Ubbiali

Feb 26

[CfP][FOIS 2026] Call for Contributions – main track reminder and First Call for Demonstrations, Ontology Showcase, Research and Industrial Project Exhibitions

[apologies for cross-posting] ============================ 16th International Conference on Formal

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[CfP][FOIS 2026] Call for Contributions – main track reminder and First Call for Demonstrations, Ontology Showcase, Research and Industrial Project Exhibitions

[apologies for cross-posting] ============================ 16th International Conference on Formal

Feb 26

Emilio Sanfilippo

Feb 26

[CFP] 15th International Workshop on Formal Ontologies Meet Industry (FOMI)

[Apologies for potential crossposting] **************************************************************

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[CFP] 15th International Workshop on Formal Ontologies Meet Industry (FOMI)

[Apologies for potential crossposting] **************************************************************

Feb 26

Feb 25

Correction to Ontology Summit 20th Anniversary Retrospective

Ontology Summit 2026 Ontologies: Past, Present, Future The next session of the Ontology Summit 2026

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Correction to Ontology Summit 20th Anniversary Retrospective

Ontology Summit 2026 Ontologies: Past, Present, Future The next session of the Ontology Summit 2026

Feb 25

Ken Baclawski, Mark Underwood2

Feb 25

Ontology Summit 20th Anniversary Retrospective

Minor correction: It's today 25 FEB not 18 FEB On Tue, Feb 24, 2026 at 10:37 PM Ken Baclawski

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Ontology Summit 20th Anniversary Retrospective

Minor correction: It's today 25 FEB not 18 FEB On Tue, Feb 24, 2026 at 10:37 PM Ken Baclawski

Feb 25

Ken Baclawski, … Alex Shkotin28

Feb 24

Final reminder for the Launch of the Ontology Summit 2026

Doug, I rashly listed Thing and Entity as comma-separated: "The idea of a thing, of an entity,

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Final reminder for the Launch of the Ontology Summit 2026

Doug, I rashly listed Thing and Entity as comma-separated: "The idea of a thing, of an entity,

Feb 24

Chris Partridge, … John F Sowa65

Feb 19

work on the ontology of coordinate reference systems

Hi Ravi, Good point. WRT: For this to happen, ontologies need to contain all entities and their

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work on the ontology of coordinate reference systems

Hi Ravi, Good point. WRT: For this to happen, ontologies need to contain all entities and their

Feb 19

Feb 18

AI in the workplace

AI in the workplace is generating code at a rapid pace, but that is not necessarily a good result.

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AI in the workplace

AI in the workplace is generating code at a rapid pace, but that is not necessarily a good result.

Feb 18

Nadin, Mihai, … Ravi Sharma3

Feb 17

ONTOLOGY and ontology engineering

Mihai and Alex Wonderful and brief. Thanks. Ravi (Dr. Ravi Sharma, Ph.D. USA) NASA Apollo Achievement

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ONTOLOGY and ontology engineering

Mihai and Alex Wonderful and brief. Thanks. Ravi (Dr. Ravi Sharma, Ph.D. USA) NASA Apollo Achievement

Feb 17

Feb 15

Announcing the Ontology Summit 2026

Ontology Summit 2026 Ontologies: Past, Present, Future The Ontology Summit 2026 is the 20th

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Announcing the Ontology Summit 2026

Ontology Summit 2026 Ontologies: Past, Present, Future The Ontology Summit 2026 is the 20th

Feb 15

Robert Hoehndorf

Feb 9

CfP: Bio-Ontologies and Knowledge Representation COSI @ ISMB 2026

Dear Bio-Ontologies and Knowledge Representation community, Call for Submissions - Bio-Ontologies and

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CfP: Bio-Ontologies and Knowledge Representation COSI @ ISMB 2026

Dear Bio-Ontologies and Knowledge Representation community, Call for Submissions - Bio-Ontologies and

Feb 9

Polovina, Simon (BTE)

Feb 9

Hi all. [2602.02382] ROG: Retrieval-Augmented LLM Reasoning for Complex First-Order Queries over

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Hi all. [2602.02382] ROG: Retrieval-Augmented LLM Reasoning for Complex First-Order Queries over

Feb 9

Utkarshani Jaimini

Feb 5

[CfP] 𝟮𝗻𝗱 𝗖𝗮𝘂𝘀𝗮𝗹 𝗡𝗲𝘂𝗿𝗼-𝗦𝘆𝗺𝗯𝗼𝗹𝗶𝗰 𝗔𝗿𝘁𝗶𝗳𝗶𝗰𝗶𝗮𝗹 𝗜𝗻𝘁𝗲𝗹𝗹𝗶𝗴𝗲𝗻𝗰𝗲 (𝗖𝗮𝘂𝘀𝗮𝗹 𝗡𝗲𝗦𝘆) 𝗪𝗼𝗿𝗸𝘀𝗵𝗼𝗽: 𝗧𝗼𝘄𝗮𝗿𝗱 𝗔𝗴𝗲𝗻𝘁𝗶𝗰 𝗟𝗟𝗠𝘀 𝘄𝗶𝘁𝗵 𝗡𝗲𝘂𝗿𝗼-𝗦𝘆𝗺𝗯𝗼𝗹𝗶𝗰 𝗮𝗻𝗱 𝗚𝗿𝗮𝗽𝗵-𝗕𝗮𝘀𝗲𝗱 𝗥𝗲𝗮𝘀𝗼𝗻𝗶𝗻𝗴

************************************************************************************ 𝗖𝗮𝗹𝗹 𝗳𝗼𝗿 𝗣𝗮𝗽𝗲𝗿𝘀

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[CfP] 𝟮𝗻𝗱 𝗖𝗮𝘂𝘀𝗮𝗹 𝗡𝗲𝘂𝗿𝗼-𝗦𝘆𝗺𝗯𝗼𝗹𝗶𝗰 𝗔𝗿𝘁𝗶𝗳𝗶𝗰𝗶𝗮𝗹 𝗜𝗻𝘁𝗲𝗹𝗹𝗶𝗴𝗲𝗻𝗰𝗲 (𝗖𝗮𝘂𝘀𝗮𝗹 𝗡𝗲𝗦𝘆) 𝗪𝗼𝗿𝗸𝘀𝗵𝗼𝗽: 𝗧𝗼𝘄𝗮𝗿𝗱 𝗔𝗴𝗲𝗻𝘁𝗶𝗰 𝗟𝗟𝗠𝘀 𝘄𝗶𝘁𝗵 𝗡𝗲𝘂𝗿𝗼-𝗦𝘆𝗺𝗯𝗼𝗹𝗶𝗰 𝗮𝗻𝗱 𝗚𝗿𝗮𝗽𝗵-𝗕𝗮𝘀𝗲𝗱 𝗥𝗲𝗮𝘀𝗼𝗻𝗶𝗻𝗴

************************************************************************************ 𝗖𝗮𝗹𝗹 𝗳𝗼𝗿 𝗣𝗮𝗽𝗲𝗿𝘀

Feb 5

Giorgio Ubbiali

Feb 5

Call for Abstracts: Semantics & Philosophy (SPE 13) & OntoBRIX (Bressanone, June 8-9)

[apologies for cross-posting] ============================ Ontology and Semantics at the Intersection

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Call for Abstracts: Semantics & Philosophy (SPE 13) & OntoBRIX (Bressanone, June 8-9)

[apologies for cross-posting] ============================ Ontology and Semantics at the Intersection

Feb 5

Giorgio Ubbiali

Feb 2

[CfP][FOIS 2026] Call for Contributions – Journal-first track and main track reminder

[apologies for cross-posting] ============================ 16th International Conference on Formal

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[CfP][FOIS 2026] Call for Contributions – Journal-first track and main track reminder

[apologies for cross-posting] ============================ 16th International Conference on Formal

Feb 2

Michael DeBellis, … John F Sowa28

Jan 30

Data Mesh and Data Fabric

Dear Igor, I admit that I should have used the preposition 'among' rather than the more

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Data Mesh and Data Fabric

Dear Igor, I admit that I should have used the preposition 'among' rather than the more

Jan 30

Jan 28

[CFP] DCMI 2026: Meaning-Driven AI - August 3-8, 2026, Seoul, South Korea

DCMI 2026: Meaning-Driven AI: Using Metadata to Align Systems with Human Values August 3 - 8, 2026

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[CFP] DCMI 2026: Meaning-Driven AI - August 3-8, 2026, Seoul, South Korea

DCMI 2026: Meaning-Driven AI: Using Metadata to Align Systems with Human Values August 3 - 8, 2026

Jan 28

Marcelo Xavier Guterres, … Michael DeBellis7

Jan 27

Request for Recommendations: Online Documentation Tools for a WebProtégé Ontology

I'm not sure I understand the question. There isn't anything special about an ontology

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Request for Recommendations: Online Documentation Tools for a WebProtégé Ontology

I'm not sure I understand the question. There isn't anything special about an ontology

Jan 27

adam.kulidjian, … Michael DeBellis57

Jan 27

Curious Question: Is someone else working on something like this?

>recursion: >Think about the fact that in the last image you just saw, you were not just

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Curious Question: Is someone else working on something like this?

>recursion: >Think about the fact that in the last image you just saw, you were not just

Jan 27

Polovina, Simon (BTE), Simon Polovina2

Jan 25

FW: Call for Papers: 3rd Intl. Joint Conf. on Conceptual Knowledge Structures (CONCEPTS 2026)

============== Call for Papers: CONCEPTS 2026 ================== 3rd International Joint Conference

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FW: Call for Papers: 3rd Intl. Joint Conf. on Conceptual Knowledge Structures (CONCEPTS 2026)

============== Call for Papers: CONCEPTS 2026 ================== 3rd International Joint Conference

Jan 25

Jan 22

What the numbers show about AI's Harms

There are serious concerns about the problems and dangers inherent in LLM technology when used as the

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What the numbers show about AI's Harms

There are serious concerns about the problems and dangers inherent in LLM technology when used as the

Jan 22

Jan 20

JOB Posting: 2 year postdoc position in "AI: LLM, Ontologies and KGs" at Jönköping University, Sweden

Postdoc Researcher in AI: Language Models, Ontologies and Knowledge Graphs The School of Engineering,

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JOB Posting: 2 year postdoc position in "AI: LLM, Ontologies and KGs" at Jönköping University, Sweden

Postdoc Researcher in AI: Language Models, Ontologies and Knowledge Graphs The School of Engineering,

Jan 20

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