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RE: Temporal reference system

From: Svensson, Lars <L.Svensson@dnb.de>
Date: Tue, 9 Jun 2015 09:00:58 +0000
To: Frans Knibbe <frans.knibbe@geodan.nl>, SDW WG Public List <public-sdw-wg@w3.org>
Cc: Andrea Perego <andrea.perego@jrc.ec.europa.eu>, Ed Parsons <eparsons@google.com>, Alejandro Llaves <allaves@fi.upm.es>
Message-ID: <24637769D123E644A105A0AF0E1F92EF010CF736F8@dnbf-ex1.AD.DDB.DE>
Frans,

On Friday, June 05, 2015 4:41 PM, Frans Knibbe wrote:

> Is everyone happy with the way the requirement is phrased now?
> 
> "If a temporal reference is used, the description of the temporal reference
> system (e.g. Unix date, Gregorian Calendar, Japanese Imperial Calendar,
> Carbon Date, Geological Date) needs to be referenceable online."

Does this imply a default TRS if none is mentioned, similar to the CRS in WKT (or is that orthogonal to this requirement)?

Best,

Lars 
> 
> 
> 2015-06-05 1:23 GMT+02:00 <Simon.Cox@csiro.au>:
> ... (moving from requirements into potential solution space) referencing a
> description of the TRS is what is described in my proposed (backward
> compatible) amendment to OWL-Time.
> See http://def.seegrid.csiro.au/ontology/time/new and http://www.semantic-

> web-journal.net/content/time-ontology-extended-non-gregorian-calendar-
> applications-0
> 
> Simon Cox | Research Scientist
> CSIRO Land and Water
> PO Box 56, Highett Vic 3190, Australia
> Tel +61 3 9252 6342 | Mob +61 403 302 672
> simon.cox@csiro.au | http://people.csiro.au/C/S/Simon-Cox

> 
> ________________________________________
> From: Alejandro Llaves [allaves@fi.upm.es]
> Sent: Tuesday, 2 June 2015 9:54 PM
> To: Andrea Perego
> Cc: Ed Parsons; Frans Knibbe; SDW WG Public List
> Subject: Re: Temporal reference system
> Ok, I will rephrase the requirement and add some examples.
> 
> Alejandro
> 
> On 2 June 2015 at 00:19, Andrea Perego <andrea.perego@jrc.ec.europa.eu>
> wrote:
> On Fri, May 29, 2015 at 12:38 PM, Ed Parsons <eparsons@google.com> wrote:
> > I like the approach of treating this in the same way as CRS, if a temporal
> > reference is used, the description of that system needs to be referenceable
> > online.
> 
> +1 also from me.
> 
> Andrea
> 
> 
> 
> 
> --
> 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
> 
> 
> 
> 
> --
> Frans Knibbe
> Geodan
> President Kennedylaan 1
> 1079 MB Amsterdam (NL)
> 
> T +31 (0)20 - 5711 347
> E frans.knibbe@geodan.nl
> www.geodan.nl
> disclaimer

Received on Tuesday, 9 June 2015 09:01:33 UTC

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