[Crm-sig] CRM Time

Joshan Mahmud joshan.mahmud at gmail.com
Sat Mar 31 12:34:54 EEST 2012

Hi Georg

Many thanks for your response on this-was very helpful.  I shall use Vladimir's extension in our own mapping!


On 29 Mar 2012, at 13:26, "Hohmann, Georg" <g.hohmann at gnm.de> wrote:

> Dear all,
> this approach was originated by Bernhard Schiemann of the Erlangen CRM Team and has been discussed in May 2009 (see http://lists.ics.forth.gr/pipermail/crm-sig/2009-May/001355.html). The attachment of this mail is also available at http://erlangen-crm.org/documentation ("Proposal of a E52 Time-Span extension").
> In 2009 we implemented this proposal as an "add-on" to the ECRM, which is still available at http://erlangen-crm.org/onto/addons/ecrm-tq_091202.owl . Later (in 2010) we decided to strip this add-on and leave it to the users to extend the ECRM in the way they need it. Since it is "best practice" to extend an ontology by creating subclasses and -properties, Vladimirs approach seems to me a good way to add P81a and P82a to the recent version of the ECRM.
> Best regards
> Georg
> -----Ursprüngliche Nachricht-----
> Von: crm-sig-bounces at ics.forth.gr [mailto:crm-sig-bounces at ics.forth.gr] Im Auftrag von Vladimir Alexiev
> Gesendet: Montag, 26. März 2012 17:53
> An: 'Joshan Mahmud'; crm-sig at ics.forth.gr
> Betreff: Re: [Crm-sig] CRM Time
>> P81a/b and P82a/b 
> I made this in Nov 2011, see attached. It's for ECRM.
> Compared to Martin's proposal, I use long prop names, e.g.
> P81a_end_of_the_begin
> Cheers! V
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