- From: Peter Baumann <p.baumann@jacobs-university.de>
- Date: Fri, 29 May 2015 14:03:37 +0200
- To: Andreas Harth <harth@fzi.de>, <public-sdw-wg@w3.org>
voila: Unix date; Gregorian Calendar; Japanese Imperial Calendar; Carbon Date; Geological Date; Climatology Date (year = 360 days); etc. more background on http://external.opengeospatial.org/twiki_public/TemporalDWG/WebHome -Peter On 05/29/15 13:54, Andreas Harth wrote: > Hi, > > I'm trying to understand the term "temporal reference system". > > Do you have an example of maybe a couple of different "temporal > reference systems"? > > Cheers, > Andreas. > > On 2015-05-29 12:38, Ed Parsons 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. >> >> Ed >> >> >> On Thu, 28 May 2015 at 17:50 Frans Knibbe <frans.knibbe@geodan.nl >> <mailto:frans.knibbe@geodan.nl>> wrote: >> >> Hello Alejandro, >> >> The way the Temporal Reference System requirement >> >> <http://w3c.github.io/sdw/UseCases/SDWUseCasesAndRequirements.html#TemporalReferenceSystem> >> is phrased is not clear to me. It says "The temporal reference >> system should be specified." It is not clear to me where the >> temporal reference system should be specified. Surely not everywhere >> were temporal data occur? >> >> How about "it should be possible to reference the temporal reference >> system used"? >> >> Or how about "There should be a standard for publishing data about >> temporal reference systems. Those descriptions should be >> referencable by HTTP URIs." ... this similar to the suggested >> phrasing of the CRS requirement. >> >> Regards, >> Frans >> >> >> >> -- >> Frans Knibbe >> Geodan >> President Kennedylaan 1 >> 1079 MB Amsterdam (NL) >> >> T +31 (0)20 - 5711 347 >> E frans.knibbe@geodan.nl <mailto:frans.knibbe@geodan.nl> >> www.geodan.nl <http://www.geodan.nl> >> disclaimer <http://www.geodan.nl/disclaimer> >> >> -- >> >> Ed Parsons >> Geospatial Technologist, Google >> >> Mobile +44 (0)7825 382263 >> www.edparsons.com <http://www.edparsons.com> @edparsons >> > > -- Dr. Peter Baumann - Professor of Computer Science, Jacobs University Bremen www.faculty.jacobs-university.de/pbaumann mail: p.baumann@jacobs-university.de tel: +49-421-200-3178, fax: +49-421-200-493178 - Executive Director, rasdaman GmbH Bremen (HRB 26793) www.rasdaman.com, mail: baumann@rasdaman.com tel: 0800-rasdaman, fax: 0800-rasdafax, mobile: +49-173-5837882 "Si forte in alienas manus oberraverit hec peregrina epistola incertis ventis dimissa, sed Deo commendata, precamur ut ei reddatur cui soli destinata, nec preripiat quisquam non sibi parata." (mail disclaimer, AD 1083)
Received on Friday, 29 May 2015 12:04:18 UTC