[Archivesspace_Users_Group] different date models for Agents vs Accessions, Resources, Archival Objects?

Ron Van den Branden Ron.VandenBranden at antwerpen.be
Thu Oct 6 12:24:47 EDT 2022

Hi Christine,

Many thanks for your helpful response, and pointers to those interesting issues!



Van: archivesspace_users_group-bounces at lyralists.lyrasis.org <archivesspace_users_group-bounces at lyralists.lyrasis.org> Namens Christine Di Bella
Verzonden: woensdag 5 oktober 2022 18:30
Aan: Archivesspace Users Group <archivesspace_users_group at lyralists.lyrasis.org>
Onderwerp: Re: [Archivesspace_Users_Group] different date models for Agents vs Accessions, Resources, Archival Objects?

Hello Ron,

The divergence of the two date models within ArchivesSpace did come about with the work on the Agents module. While the plan is to eventually move other record types for which it makes sense to the same model (there are some related requests at https://archivesspace.atlassian.net/browse/ANW-1475 and https://archivesspace.atlassian.net/browse/ANW-380), because dates are so complex and because the agents work was underway already, we treated the work on dates associated with agents as a first step. The motivation for the change was specific to the EAC-CPF standard, though it has broader applicability with EAD as well.

I don’t have a specific timeframe for moving other dates in the application to this model right now. One of our thoughts in staging this date transition was that we wanted to get feedback on the agents dates piece before taking the even larger step of moving the other record types (and migrating the associated data) to that model. We haven’t received much feedback on the agents yet, possibly because a lot of people haven’t upgraded to a 3.x version yet or possibly because the new date model meets their needs just fine. We are currently reviewing prioritized projects against capacity in light of staffing changes and I intend to share more information and an updated roadmap soon.

I hope that helps. If you have other questions, or if anyone here has background or feedback specific to the agents date model, we’d be glad to have them.


Christine Di Bella
ArchivesSpace Program Manager
christine.dibella at lyrasis.org<mailto:christine.dibella at lyrasis.org>
800.999.8558 x2905


From: archivesspace_users_group-bounces at lyralists.lyrasis.org<mailto:archivesspace_users_group-bounces at lyralists.lyrasis.org> <archivesspace_users_group-bounces at lyralists.lyrasis.org<mailto:archivesspace_users_group-bounces at lyralists.lyrasis.org>> On Behalf Of Ron Van den Branden
Sent: Wednesday, October 5, 2022 9:56 AM
To: archivesspace_users_group at lyralists.lyrasis.org<mailto:archivesspace_users_group at lyralists.lyrasis.org>
Subject: [Archivesspace_Users_Group] different date models for Agents vs Accessions, Resources, Archival Objects?


I'm wondering why different date models exist for different record types in ArchivesSpace:

  *   Accessions + Resources/Archival Objects:

     *   Date Certainty: general certainty qualifier: "Approximate", "Inferred", "Questionable"

  *   Agents:

     *   Date Certainty: general certainty qualifier: "Approximate", "Inferred", "Questionable"
     *   Standardized Date Type: specific qualifier for both Begin and End date: "Standard", "Not Before", "Not After"

The extra field Standardized Date Type is occurring consistently for all date fields in the Agents module.

This raises some questions:

  *   What's the motivation for this difference? Is it standards-based, and does EAC-CPF allow for more detail than EAD? Or is is because the Agents module has been reworked more recently?
  *   In the latter case, is any harmonization foreseen for the date fields in Accessions and Resources/Archival Objects? If so, is there a time frame?

Many thanks for your thoughts!



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