change name of activitystreams2.owl to activitystreams2.ttl

[phtyson]

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I can't find any definition of the .owl file extension in the owl specs. At least one RDF datastore (jena fuseki) doesn't recognize the extension as a valid RDF type. Would be convenient to download file and upload to datastore (or other processing) where needed without renaming (in cases where not able to send proper media type).

[evanp]

I think this makes sense, since .ttl is a common extension for Turtle.

I'd suggest that we make it possible to use both the .owl and the .ttl extension, and possibly deprecate the .owl extension.

I think the steps are:

• Make a duplicate of the .owl file with .ttl in our GitHub repo
• Make a duplicate or redirect of the URL on https://www.w3.org/ns/activitystreams/activitystreams2.owl to https://www.w3.org/ns/activitystreams/activitystreams2.ttl

We'll need to coordinate this with W3C web services.

[evanp]

@plehegar if you have thoughts here, please let us know!

[TallTed]

The content of the .owl document should be converted to RDF/XML, as it is currently reported to be --

curl -LkI 
https://www.w3.org/TR/2015/WD-activitystreams-vocabulary-20151215/activitystreams2.owl

HTTP/2 200 
date: Fri, 19 Jul 2024 16:34:31 GMT
content-type: application/rdf+xml; qs=0.9 

[phtyson]

Thank you for attending to this. Ideally, remove the extension from the link and provide it in any requested RDF format. Default to RDF/XML or TTL. But that may require changes on the w3 server that are out of your control. The owl link could be preserved to avoid breakage, but as Ted recommended, the content-type should be corrected one way or another.