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   Evan Prodromou (evan@cosocial.ca)'s status on Sunday, 15-Sep-2024 21:53:35 JST Evan Prodromou

   • Terence Eden
   • thisisaaronland

   @thisisaaronland @Edent one nice thing is that we already have a big-ass social vocabulary defined for AS2.

   So we could pick a prefix like ap: and just use properties like ap:type=Event (override the content type) and ap:startTime=2024-09-15T09:00:00Z and there we go.

   Users of platforms that implement the ActivityPub API can post extensible activities directly. Those using more constrained APIs can fall back to machine tags.

   • Embed this notice
     Evan Prodromou (evan@cosocial.ca)'s status on Sunday, 15-Sep-2024 22:00:21 JST Evan Prodromou

     in reply to

     • Terence Eden
     • thisisaaronland

     @thisisaaronland @Edent for geotagging specifically, it would be nice to use Curies for the values so you could use different place vocabularies.

     So, here, I'm showing my location using a Wikidata item.

     ap:location=wd:Q3304955

     And here I'm using an OpenStreetMap relation:

     ap:location=osm:7950480

     However, I'm not sure the value parts of machine tags are allowed to be that rich.

   • Embed this notice
     Evan Prodromou (evan@cosocial.ca)'s status on Sunday, 15-Sep-2024 23:50:05 JST Evan Prodromou

     in reply to

     • Terence Eden
     • thisisaaronland

     @thisisaaronland @Edent tight.

     Another question: since they both match the pattern something:other=third how can I tell that the first example is an URL and the second example is a machine tag?

     (1) https://google.com/search?q=machine+tag
     (2) dc:topic="machine tags"

     I think the first is not a machine tag because of the "/" and "?" and "." characters. I think it's probably a good rule of thumb to avoid the most common URL protocols (http, https, ftp, ...) as a namespace.

   • Embed this notice
     thisisaaronland (thisisaaronland@orthis.social)'s status on Sunday, 15-Sep-2024 23:50:06 JST thisisaaronland

     in reply to

     • Terence Eden

     @evan @Edent the spec, such as it is, says the value / being everything after “=“ / can be anything including I suppose a whole other machine tag

   • Embed this notice
     Evan Prodromou (evan@cosocial.ca)'s status on Sunday, 15-Sep-2024 23:57:01 JST Evan Prodromou

     in reply to

     • Terence Eden
     • Chris Messina
     • thisisaaronland

     @thisisaaronland @Edent Finally, did you ever discuss machine tags x hashtags with @chrismessina ?

     In particular, for machine tags inline in the text, should we use a hash character prefix, or not?

     #ns:pred=val

     OR

     ns:pred=val

     I think the second one is preferable. The first one won't match most (?) hashtag identification regexes, with the punctuation in the middle. And I think the machine tag syntax is distinct enough that it can be matched on its own.

     Downside? People are used to hashtags.