OpenAtlas

We would like to use the 4.0.0 release to also update the CIDOC CRM version (at the moment 5.0.4-1).

Kindly received recommendation from George Bruseker (September 2019) was to update to CIDOC CRM 6.2.1. which is the last published version available at http://www.cidoc-crm.org/versions-of-the-cidoc-crm

Update

There are some new classes and properties, others were removed. It doesn't seem to affect our existing instances but nevertheless a few properties doesn't "fit" in our system because they have URLs as a domain (our system has a foreign key on domain which must match an existing class). The are:

['P3', 'P57', 'P79', 'P80', 'P81', 'P81a', 'P81b', 'P82', 'P82a', 'P82b', 'P90', 'P168']

Also some properties are linked as sub_properties_of properties with the i postfix. Since we don't use inverse properties they are linked to there counterpart without i:

P10i, P130i, P59i

Mostly this seems to have to do with this change:

8. CRM time extension 1.0 Encoded in RDFS

Since the Time Primitive of the CRM can not directly be implemented in RDF Triple Stores, we define in this extension
of 4 properties replacing P81 and P82 adequately using xsd:dateTime. 
Property P81 is dedicated for modeling the Time-Span's maximum known temporal extent i.e. ongoing_throughout. 
Property P82 is for modeling the minimum outer bounds of events i.e. at_some_time_within. 
P81 has its time interval redefined by P81a and P81b. Similarly, we redefine P82 by P82a and P82b.