Re: [Asdf] Location information with SDF

[Christer Holmberg <[e-mail]>]

Hi Ari,

Q1:
  
>> The Properties in sdfObject "AddressInformation" provide data (location information) that applies to
>> the "Humidimeter" sdfThing and the "Humidity" sdfObject.
>>  
>> I think that concept is not part of base SDF - Properties only apply to the sdfObject/sdfThing for
>> which they have been defined.
>>  
>> (I know there are discussions about sdfRelations, and they are also used in Option 2. However, they are
>> only used to map the location information to a dictionary - not to relate the information to other
>> sdfThings/sdfObjects in the SDF model.)
>
> Correct. Information about where the information would apply could be part of the semantics of the relation
> type or target of the sdfRelation ...

Sure. But, I don't think we should overload the dictionary relation with such information.

Regards,
  
Christer





> From: ASDF <[e-mail]> On Behalf Of Ari Keränen
> Sent: Tuesday, 7 November 2023 15.41
> To: 이현정 <[e-mail]>; [e-mail]
> Subject: [Asdf] Location information with SDF
>  
> Hi,
>  
> Regarding the discussion yesterday at the ASDF meeting about expressing location information with SDF for the Digital Twin use cases, here is a draft note of couple of different options on how the information could be expressed using sdfProperty, sdfObject, and sdfRelation constructs:
> https://notes.ietf.org/pPdkmO6nRRKEx7-IDRHhNw
>  
> The note contains three different options for structuring the postal address information shown in the example on slide 8 (https://datatracker.ietf.org/meeting/118/materials/slides-118-asdf-draft-lee-asdf-digital-twin-00). Each option has different merits, but probably the first or second one makes most sense here.
>  
> Would be good to test if this approach works for the more complex cases too and what kind of ontology terms are needed to make this work well with the DT use case.
>  
>  
> Cheers,
> Ari