Re: The OWL file

út 18. 3. 2025 v 12:09 odesílatel cristianolongo@opendata <
cristianolongo@opendatahacklab.org> napsal:

> Sorry, May you clarify your group?
>

Ah, just an informal group of W3C folks who’ve been working on semantic
web, Solid, and AI topics for quite some time now. Nothing too
official—just people who care about making things work. 🙂


>
>
> Il 18 marzo 2025 10:27:09 CET, Melvin Carvalho <melvincarvalho@gmail.com>
> ha scritto:
>
>>
>>
>> út 18. 3. 2025 v 10:04 odesílatel Aaron Gray <aaronngray@gmail.com>
>> napsal:
>>
>>> OWL actually gives you very little real geneable code in the end only
>>> API or semantic skeletons. I went down this route and it was not very
>>> fruitful unfortunately.
>>>
>>> I did find what I presume to be an efficient N3 store with SPAQL
>>> querying written in C++ from called QLever developed by DBLP.org's author.
>>> The code is not very orthogonally structured though. But worth checking out
>>> for an efficient N3 implementation.
>>>
>> Our group is actively working with ActivityPub and the OWL file to ensure
>> 100% standards compliance.
>>
>> OWL isn’t about generating code—it provides a definitive,
>> machine-readable explanation of the Activity Streams vocabulary. While N3
>> isn’t strictly necessary for this, it can serve as an extension for rules
>> and logic.
>>
>> We’d be happy to collaborate on this effort, provided it’s developed
>> openly, as we need it for a fully standards-compliant, interoperable body
>> of documentation.
>>
>>
>>>
>>> On Tue, 18 Mar 2025, 08:54 Melvin Carvalho, <melvincarvalho@gmail.com>
>>> wrote:
>>>
>>>>
>>>>
>>>> út 18. 3. 2025 v 9:27 odesílatel Cristiano Longo <
>>>> cristianolongo@opendatahacklab.org> napsal:
>>>>
>>>>> I'm going to look for any funding for this. Any suggestion about an
>>>>> appropriate funding source and scheme will be appreciated. Also, proposals
>>>>> for collaborations with other institutions are welcome.
>>>>>
>>>>
>>>> I would recommend NLNet, they are very generous with funding:
>>>>
>>>> https://nlnet.nl/propose/
>>>>
>>>>
>>>>> CL
>>>>> On 04/10/24 10:11, Melvin Carvalho wrote:
>>>>>
>>>>>
>>>>>
>>>>> pá 4. 10. 2024 v 10:03 odesílatel Cristiano Longo <
>>>>> cristianolongo@opendatahacklab.org> napsal:
>>>>>
>>>>>> The OWL file have to be mantained and enriched, as reported in
>>>>>> https://lists.w3.org/Archives/Public/public-swicg/2023Dec/0014.html
>>>>>>
>>>>>> I don't know if it is appropriate that the community group work on
>>>>>> this.
>>>>>> And, if so, I'm not sure if this should be mentioned in the document
>>>>>> under discussion or it could emerge later as a work item.
>>>>>>
>>>>>> I'm sorry but I cannot attend the today meeting.
>>>>>>
>>>>>
>>>>>
>>>>> It’s the machine-readable vocabulary for ActivityPub. Could we perhaps
>>>>> just call it the *Schema*, *Vocab*, or *Ontology* for ActivityPub,
>>>>> instead of "OWL"? OWL stands for Ontology Web Language, and that’s a bit
>>>>> less intuitive for most folks.
>>>>>
>>>>> In the linked data world, a schema is essential, and it should be
>>>>> referenced in the context. The context itself isn’t meant for
>>>>> definitions—it’s more of an intermediary between the specific JSON format
>>>>> (or "profile") and the schema.
>>>>>
>>>>> There was quite a bit of work done on the schema during the Working
>>>>> Group, but at some point, the link to it seems to have been
>>>>> broken—intentionally or not. I think it would be a valuable task to restore
>>>>> that connection and make the ActivityPub schema fully compliant with W3C
>>>>> standards again.
>>>>>
>>>>>>
>>>>>> CL
>>>>>>
>>>>>> On 08/12/23 17:38, Evan Prodromou wrote:
>>>>>> > The original development file for AS2 was an OWL file.
>>>>>> >
>>>>>> > I don't think it was ever edited after James Snell created the
>>>>>> first
>>>>>> > JSON-LD context file.
>>>>>> >
>>>>>> > But it's been in the Activity Streams 2.0 repository on GitHub
>>>>>> since
>>>>>> > it was created.
>>>>>> >
>>>>>> > We get occasional requests to make changes to it to bring it into
>>>>>> line
>>>>>> > with the JSON-LD context doc. Some LinkedData developers seem to
>>>>>> > prefer using it.
>>>>>> >
>>>>>> > We had a new issue filed this week about it, and on the issue
>>>>>> triage
>>>>>> > call we came up with a novel solution: move the file to its own
>>>>>> > repository in the SWICG namespace, and let people who are
>>>>>> interested
>>>>>> > in using and maintaining it work on the project.
>>>>>> >
>>>>>> > The new repository is here:
>>>>>> >
>>>>>> > https://github.com/swicg/activitystreams2-owl
>>>>>> >
>>>>>> > Big appreciation to Emelia Smith for getting the process rolling.
>>>>>> > We've already had one PR applied.
>>>>>> >
>>>>>> > I had removed the file from the w3c/activitystreams repo, but Ben
>>>>>> > Goering pointed out that it probably needed more consensus and a
>>>>>> > discussion here.
>>>>>> >
>>>>>> > So, let's discuss!
>>>>>> >
>>>>>> > I'd love to see this unofficial file maintained and updated. I
>>>>>> think
>>>>>> > moving it to a repo where people in the LD community can maintain
>>>>>> it
>>>>>> > is a great solution.
>>>>>> >
>>>>>> > Evan
>>>>>> >
>>>>>> >
>>>>>>
>>>>>>