Re: validThrough and validUntil

But I think they both take a simple date or datetime, and represent the 
end of a period that starts with validFrom (or am I misunderstanding?)

Phil


On 07/08/18 10:23, Martin Hepp wrote:
> well, I would say yes, unless you want to make the complicated ISO 
> 8601 range syntax the norm, anf I am not sure it supports open intervals.
>
> Also note that from SPARQL perspective, dealing with two properties 
> with single datetime literals is much simpler.
>
> ---------------------------------------
> martin hepp
> www: http://www.heppnetz.de/
> email: mhepp@computer.org <mailto:mhepp@computer.org>
>
>
> Am 07.08.2018 um 11:03 schrieb Richard Wallis 
> <richard.wallis@dataliberate.com 
> <mailto:richard.wallis@dataliberate.com>>:
>
>> Probably not....
>>
>> Richard Wallis
>> Founder, Data Liberate
>> http://dataliberate.com
>> Linkedin: http://www.linkedin.com/in/richardwallis
>> Twitter: @rjw
>>
>> On 7 August 2018 at 09:56, Phil Barker <phil.barker@pjjk.co.uk 
>> <mailto:phil.barker@pjjk.co.uk>> wrote:
>>
>>     Hello.
>>
>>     Do we need both
>>
>>     https://schema.org/validUntil 'The date when the item is no
>>     longer valid.' (used on Permit)
>>
>>     and
>>
>>     https://schema.org/validThrough <https://schema.org/validThrough>
>>     'The date after when the item is not valid. For example the end
>>     of an offer, salary period, or a period of opening hours.'
>>
>>     Phil.
>>
>>     -- 
>>
>>     Phil Barker <http://people.pjjk.net/phil>.
>>     http://people.pjjk.net/phil
>>     PJJK Limited <https://www.pjjk.co.uk>: technology to enhance
>>     learning; information systems for education.
>>     CETIS LLP <https://www.cetis.org.uk>: a cooperative consultancy
>>     for innovation in education technology.
>>
>>     PJJK Limited is registered in Scotland as a private limited
>>     company, number SC569282.
>>     CETIS is a co-operative limited liability partnership, registered
>>     in England number OC399090
>>
>>

-- 

Phil Barker <http://people.pjjk.net/phil>. http://people.pjjk.net/phil
PJJK Limited <https://www.pjjk.co.uk>: technology to enhance learning; 
information systems for education.
CETIS LLP <https://www.cetis.org.uk>: a cooperative consultancy for 
innovation in education technology.

PJJK Limited is registered in Scotland as a private limited company, 
number SC569282.
CETIS is a co-operative limited liability partnership, registered in 
England number OC399090