[Crm-sig] Issue about P82 and P81 usage

Jean-Baptiste Pressac Jean-Baptiste.Pressac at univ-brest.fr
Tue Sep 15 15:01:41 EEST 2015


Hello,
Some months after my issue about P82 and P81 usage I still don't figure 
out how to solve my problem. Do you have any clue to help me ?
Thanks,

Jean-Baptiste Pressac

Traitement et analyse de bases de données
Production et diffusion de corpus numériques

Centre de Recherche Bretonne et Celtique
Unité mixte de service (UMS) 3554
20 rue Duquesne
CS 93837
29238 Brest cedex 3

tel : +33 (0)2 98 01 68 95
fax : +33 (0)2 98 01 63 93

Le 18/06/2015 09:29, Jean-Baptiste Pressac a écrit :
> Hello,
> I am an computer-scientist working with two researchers on a 
> prosopographic database of people who contributed to literature in 
> Breton 
> <http://www.mshb.fr/accueil/la_recherche/pole_mondes_armoricains_et_atlantiques/prelib_projet_de_recherche_en_literature_de_langue_bretonne>, 
> a Celtic language of Bretagne (France) and I am interested to use the 
> CIDOC-CRM (in particular FRBRoo) to share our data in RDF format.
>
> The database stores informations like the dates of birth, death, 
> participation to groups of all kinds, studies... Informations where 
> fuzzy times are legion. I read the PDF document /How to implement CRM 
> Time in RDF/ (response to issue 164) but I need to clarify the use of 
> P81a, P81b, P82a and P82b.
>
> I understood that any "date" is considered as a duration in the CRM. 
> Even a birth occurring on 25Th of July 1815 should be considered as an 
> event occurring between for instance 25-7-1815 at 0:00 and 25-7-1815 
> at 24:59. But in that case, what could be the values of P81a, P81b, 
> P82a and P82b ? If we don't take the hours and minutes into account, 
> should we consider the following: P82a = P81a = P81b = P82b = 
> 25-7-1815 ? Or should we consider that we only *know *P82a and P82b 
> (and don't know anything about a narrower duration, thus P81) and 
> could only declare the following:
>
> P82a = P82b = 25-7-1815
> OR
> P82a = 25-7-1815 at 0:00
> P82b = 25-7-1815 at 23:59
>
> If I take the example of the event (p.5 of the /Definition of the 
> CIDOC Conceptual Reference Model/) "my birth day celebration 28-6-1995 
> (E7)" and guess that you invited your friends at 17:00 and the last 
> one left your house /around/ 23:00, should we say that the minimum 
> known temporal extent is between 28-6-1995 17:00 and 28-6-1995 22:45 
> and the maximum know temporal extent is between 28-6-1995 17:00 and 
> 28-6-1995 23:15, thus:
>
> P82a = P81a = 28-6-1995 17:00
> P81b = 28-6-1995 22:45 (23:00 arbitrarily subtracted with 15 minutes)
> P82b = 28-6-1995 23:15 (23:00 arbitrarily added with 15 minutes)
>
> Another example: An author is know to have been elected to a club 
> during February and March 1754 and to have left the club in 1761. 
> Should we declare a E85 Joining with a E52 Time Span characterized by:
>
> P82a = 01-02-1754
> P82b = 31-12-1754
>
> And a E86 Leaving with a E52 Time Span characterized by:
>
> P82a = 01-01-1761
> P82b = 31-12-1761
>
> Last example: If we are talking about a war which started between 
> February and March 1756 and finished in 1773, should we declare an E7 
> Activity with a E52 Time Span characterized by:
>
> P82a = 01-02-1756
> P81a = 31-04-1756
> P81b = 31-12-1773
> P82b = 31-12-1773
>
> Thanks for your help,
> -- 
> Jean-Baptiste Pressac
>
> Traitement et analyse de bases de données
> Production et diffusion de corpus numériques
>
> Centre de Recherche Bretonne et Celtique
> Unité mixte de service (UMS) 3554
> 20 rue Duquesne
> CS 93837
> 29238 Brest cedex 3
>
> tel : +33 (0)2 98 01 68 95
> fax : +33 (0)2 98 01 63 93
>
>
> _______________________________________________
> Crm-sig mailing list
> Crm-sig at ics.forth.gr
> http://lists.ics.forth.gr/mailman/listinfo/crm-sig

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.ics.forth.gr/pipermail/crm-sig/attachments/20150915/fca3ac0a/attachment.html>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: Jean-Baptiste_Pressac.vcf
Type: text/x-vcard
Size: 576 bytes
Desc: not available
URL: <http://lists.ics.forth.gr/pipermail/crm-sig/attachments/20150915/fca3ac0a/attachment.vcf>


More information about the Crm-sig mailing list