Take a look at the spatio-temporal primitives in AllegroGraph: go to
http://agraph.franz.com/allegrograph/ and expand the "Additional
Features" link.

On Nov 30, 4:36 am, "Stewart Wallace"
<[EMAIL PROTECTED]> wrote:
> That's useful to know, thanks.  I've just gone with numbers and simple 
> calculations for now.
>
> -----Original Message-----
> From: [email protected] [mailto:[EMAIL PROTECTED] On 
> Behalf Of Scott Henninger
> Sent: Tuesday, 25 November 2008 2:43
> To: TopBraid Composer Users
> Subject: [tbc-users] Re: Temporal data in TBC and/or AllegroCL
>
> A small note on that.  you can type in 'xsd:time' and it is supported.  It 
> just doesn't show up on the list of types for rdfs:range on datatypes.
>
> -- Scott
>
> On Nov 24, 9:03 am, "Irene Polikoff" <[EMAIL PROTECTED]> wrote:
> > Stuart,
>
> > A string, as Scott is suggesting, will give you the most flexibility
> > of the entry format. Alternatively, you can also make a range of a
> > property be xsd:time. You will then be able to enter time information 
> > without the date.
>
> > TBC gives you a clock widget for picking the time. This includes
> > ability to set the time zone. Note that the time will have to include
> > seconds as in
> > 09:55:11.031 where 9 is for hours, 55 for minutes and 11.031 for seconds.
>
> > Regards,
>
> > Irene Polikoff
>
> > -----Original Message-----
> > From: [email protected]
>
> > [mailto:[EMAIL PROTECTED] On Behalf Of Scott
> > Henninger
> > Sent: Monday, November 24, 2008 12:14 AM
> > To: TopBraid Composer Users
> > Subject: [tbc-users] Re: Temporal data in TBC and/or AllegroCL
>
> > Stuart;  It seems the OWL-time ontology defines inXSDDateTime and
> > XSDDateTime properties with the range defined with XSD dateTime datatypes.
> > xsd:dateTime is defined by XML Schema and both date and time are
> > required - e.g. 2008-11-23T23:08:00
>
> > It seems like you could define a string datatype and use that property
> > or combine the 'hours' and 'minutes' properties.
>
> > -- Scott
>
> > On Nov 22, 2:44 pm, "Stewart Wallace"
> > <[EMAIL PROTECTED]> wrote:
> > > Wondering if someone can help me get undeway here - I'm just trying
> > > to setup some very basic temporal information like <thisShop>
> > > <hasOpeningHours> <9:00 - 17:00> (or hasOpeningTime 9:00 and
> > > hasClosingTime 17:00) -  or whatever.
>
> > > In TBC I've imported OWL-time and it seems I need to setup an
> > > appropriate ProperInterval which will have a hasBeginning and a
> > > hasEnd, each of which is an Instance of time:Instant - but I can't
> > > see how to create an Instant and give it a generic time like
> > > 09:00:00 without a date. There is a Property for Instant called
> > > inXSDDateTime but that won't accept a time without a date - nor will 
> > > XSDDateTime .
>
> > > In AllegroCL I'm trying to use date-thing-to-upi but that also seems
> > > to insist on a date.
>
> > > I'd prefer to work in TBC on this but any advice on how, in either
> > > of these environments, I can simply record a time irrespective of
> > > date would be much appreciated.
>
> > > Stewart Wallace
>
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