Re: Comparing Activity Streams / Schema.org / Hydra (former: 'Fwd: Schema.org applies W3C Patent Policy')

Thanks for fast reply James!

I forwarded it to Hydra CG and Schema.org mailing lists:
* http://lists.w3.org/Archives/Public/public-hydra/2014Sep/0001.html
* http://lists.w3.org/Archives/Public/public-vocabs/2014Sep/0015.html

If we could exchange few emails about it with your, Markus Lanthaler and
Sam Goto (both in cc), and then maybe discuss it together over telecon,
I believe we would clarify it all in no time!

Maybe also you all will also have chance to discuss it face-to-face
during next TPAC? http://www.w3.org/2014/11/TPAC/

Cheers :)


On 09/02/2014 04:42 PM, James M Snell wrote:
> A review on these would be helpful.
> 
> The model in AS2 is straightforward. For every object, there is an
> "actions" property whose value is a map of potential actions. This map
> takes the form of a JSON object mapping verb identifiers to so-called
> "action handlers". An action handler is a declarative description of
> how to carry out some kind of action.
> 
> Where schema.org/Actions, Hydra and the AS2 Action Handlers specs
> overlap is on the definition of those "action handlers". Where
> schema.org/Actions and AS2 conflict is on the use of the "actions"
> property in AS2 vs. "potentialAction" in schema.org.
> 
> (It's worthwhile to note that the Activity Streams 2.0 [1] and Action
> Handlers [2] specifications are distinct documents.)
> 
> [1] http://jasnell.github.io/w3c-socialwg-activitystreams/activitystreams2.html
> [2] http://jasnell.github.io/w3c-socialwg-activitystreams/activitystreams2-actions.html
> 
> So, for example, if we take an example given by the schema.org/Actions
> documentation:
> 
> {
>   "@context": "http://schema.org",
>   "@type": "Restaurant",
>   "name": "Tartine Bakery",
>   "potentialAction": {
>     "@type": "ViewAction",
>     "target": [
>       "http://www.urbanspoon.com/r/6/92204",
>       {
>         "@type": "EntryPoint",
>         "urlTemplate": "http://api.urbanspoon.com/r/6/92204",
>         "contentType": "application/json+ld"
>       },
>       "android-app://com.urbanspoon/http/www.urbanspoon.com/r/6/92204",
>       {
>         "@type": "EntryPoint",
>         "urlTemplate": "urbanspoon://r/6/92204",
>         "application": {
>           "@type": "SoftwareApplication",
>           "@id": "284708449",
>           "name": "Urbanspoon iPhone & iPad App",
>           "operatingSystem": "iOS"
>         }
>       },
>       {
>         "@type": "EntryPoint",
>         "urlTemplate": "urbanspoon://r/6/92204",
>         "application": {
>           "@type": "SoftwareApplication",
>           "@id": "5b23b738-bb64-4829-9296-5bcb59bb0d2d",
>           "name": "Windows Phone App",
>           "operatingSystem": "Windows Phone 8"
>        }
>       }
>     ]
>   }
> }
> 
> The equivalent definition in AS2 would something look like:
> 
> {
>   "objectType": "http://schema.org/Restaurant",
>   "displayName": "Tartine Bakery",
>   "actions": {
>     "view": [
>       "http://www.urbanspoon.com/r/6/92204",
>       {
>         "objectType": "HttpActionHandler",
>         "id": "http://api.urbanspoon.com/r/6/92204",
>         "mediaType": "application/json+ld"
>       },
>       "android-app://com.urbanspoon/http/www.urbanspoon.com/r/6/92204",
>       {
>         "objectType": "application",
>         "id": "urbanspoon://r/6/92204",
>         "appid": "284708449",
>         "displayName": "Urbansppon iPhone & iPad App",
>         "operatingSystem": "iOS"
>       },
>       {
>         "objectType": "application",
>         "id": "urbanspoon://r/6/92204",
>         "appid": "5b23b738-bb64-4829-9296-5bcb59bb0d2d",
>         "displayName": "Windows Phone App",
>         "operatingSystem": "Windows Phone 8"
>       }
>     ]
>   }
> }
> 
> I have not looked at Hydra in enough detail yet to know how the
> example would translate there.
> 
> The approaches that schema.org/Actions and AS2 Actions take differ in
> a number of fairly obvious ways. Both, however, are capable of
> expressing the same basic information in relatively consistent ways.
> The devil, however, is always in the details.
> 
> I'll admit my bias up front since I'm the co-author of the AS2 Action
> Handlers spec, but I prefer the more concise approach it takes. While
> the specification defines a handful of basic Action Handler types
> (View, Http, Embed and Intent), these are flexible enough to support
> an extremely broad range of cases and can easily be mapped to existing
> verb identifiers. As the examples in my various blog posts illustrate,
> it's also possible to use other kinds of Action Handlers in the AS2
> model (for instance, we could easily make use of the
> schema.org/Actions definitions directly without any modification).
> 
> - James
> 
> On Tue, Sep 2, 2014 at 7:19 AM, ☮ elf Pavlik ☮
> <perpetual-tripper@wwelves.org> wrote:
>> Hello,
>>
>> I would like to propose in depth discussion on Schema.org / Activity
>> Streams / Hydra
>>
>> We have both ActivityStreams & Schema.org listed at
>> https://www.w3.org/wiki/Socialwg/Social_syntax
>>
>> I can also recall at least two articles by James Snell where he works
>> with them both:
>> *
>> http://www.chmod777self.com/2014/04/activity-streams-20-and-schemaorgactions.html
>> * http://www.chmod777self.com/2014/05/more-on-activity-streams-20-and.html
>>
>> Then again Schema.org Actions and Hydra have many similarities and
>> history of collaboration:
>> http://blog.schema.org/2014/04/announcing-schemaorg-actions.html
>>
>> I must admit not reading enough yet about Activity Streams 2.0 Action
>> Handlers to position them here...
>>
>> #ACTION - Would someone like to work with me in next two weeks to
>> prepare overview of similarities and differences in all mentioned
>> technologies? It would hopefully make it much easier for everyone to
>> engage in further conversation.
>>
>> Cheers!
>>
>> On 09/01/2014 07:58 PM, Harry Halpin wrote:
>>> In case people missed this from the last IG meeting!
>>>
>>> -------- Forwarded Message --------
>>> Subject: Schema.org applies W3C Patent Policy
>>> Resent-Date: Mon, 01 Sep 2014 17:54:15 +0000
>>> Resent-From: public-socialweb@w3.org
>>> Date: Mon, 01 Sep 2014 19:54:07 +0200
>>> From: Harry Halpin <hhalpin@w3.org>
>>> To: public-socialweb@w3.org <public-socialweb@w3.org>
>>>
>>> Those who were at the Social Standards workshop last August will
>>> remember a discussion with Guha over schema.org and licensing. People
>>> should  know that Schema.org has now changed their licensing to be
>>> royalty-free in the following manner:
>>>
>>> "The Sponsors have applied the W3C Patent Policy to the schemas
>>> published by Schema.org as follows: each Sponsor, by itself and on
>>> behalf of its affiliates, agrees to make available under W3C RF
>>> licensing requirements its Essential Claims (if any) in the schemas
>>> published by Schema.org as if the schemas were W3C Recommendations. In
>>> some cases, this website may indicate that some but not all of the
>>> Sponsors have recognized a particular extension to the Schema; in
>>> those cases, as to that extension, the above rights are granted by
>>> only those recognizing Sponsors. " [1]
>>>
>>>    cheers,
>>>     harry
>>>
>>> [1]https://www.schema.org/docs/terms.html
>>>
>>
>>
>

Received on Tuesday, 2 September 2014 20:55:42 UTC