Re: Nominal temporal references

Ditto ;)

On 29 May 2015 at 15:34, Peter Baumann <p.baumann@jacobs-university.de>
wrote:

>  Frans-
>
> actually, the difference here is in the temporal coordinate reference
> system (such as 1 sec, starting 1970-01-01 at 00:00:00a s a datum) and a
> calendar; the former is a number, the latter comes in many (usually
> textual) variations, and each needs to be mapped to the time axis (in
> seconds) in its own way. Likely calendars will also be expressed as time
> CRSs at some time in future, this is bleeding edge work by the Temporal.DWG
> in OGC.
>
> -Peter
>
>
>
> On 05/29/15 14:44, Frans Knibbe wrote:
>
> Hi Alejandro,
>
>  About the Nominal temporal references
> <http://w3c.github.io/sdw/UseCases/SDWUseCasesAndRequirements.html#NominalTemporalReferences>
> requirement ("It should be possible to refer to time intervals by nominal
> temporal references (e.g January, a named event in a calendar, a geological
> period, a dynastic period)."): Isn't this already covered by the Temporal
> reference system
> <http://w3c.github.io/sdw/UseCases/SDWUseCasesAndRequirements.html#TemporalReferenceSystem>
> requirement? Some temporal reference systems are numerical, some are
> textual, and some may be both. I mean, the way that a time or time interval
> is refered to is determined by the temporal reference system, isn't it?
>
>  Regards,
> Frans
>
>  --
>  Frans Knibbe
>  Geodan
> President Kennedylaan 1
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>
>
> --
> Dr. Peter Baumann
>  - Professor of Computer Science, Jacobs University Bremen
>    www.faculty.jacobs-university.de/pbaumann
>    mail: p.baumann@jacobs-university.de
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-- 
Alejandro Llaves

Ontology Engineering Group (OEG)

Artificial Intelligence Department

Universidad Politécnica de Madrid

Avda. Montepríncipe s/n

Boadilla del Monte, 28660 Madrid, Spain


http://www.oeg-upm.net/index.php/phd/325-allaves


allaves@fi.upm.es