Comments (1)
After some consideration we decided that a formal mapping is not useful. What is needed instead is an answer to the following question: If an organization is using the CRM classes and properties, and they want to use PeriodO URIs to label things, what CRM property should they use to link something to a PeriodO period definition? I see a few possibilities:
- They use
P2 has type
, which implies that PeriodO definitions are instances ofE55 Type
from the CRM perspective. This seems like the simplest approach, and will work for attaching a PeriodO URI to any instance ofE1 CRM Entity
. - They take an event-based approach, and assert that some event (e.g. the creation of an object) occurred during (or before, or after, etc.) the period defined in PeriodO. This would imply that PeriodO definitions are instances of
E4 Period
from the CRM perspective. This would involve creating a lot of extra triples. - I'm sure there are even more possibilities, such as using
P158 occupied
to link a PeriodO period definition to anE92 Spacetime Volume
and then declaring which things have intersecting spacetime volumes… (Note: in CIDOC 6.2 (in progress)P4 Period
will directly inherit from fromE92 Spacetime Volume
, soP158 occupied
will no longer be needed
Anyway, AFAIC the "right" choice is the simplest thing that will allow people who are using the CRM classes and properties to use our URIs and successfully filter/search/query/visualize their data the way they want.
from periodo-data.
Related Issues (20)
- Fix broken British Museum URLs
- Dan Hick's massive thread of period names
- Marine isotope stages (MIS) HOT 1
- Fix mis-encoded character and capitalization of authority title HOT 3
- Period missing an English label HOT 2
- Character problem with Latin rendering of Russian diacritics from LCHS HOT 17
- Duplicate LCSH periods HOT 1
- Inconsistency in storing a source's publication date
- Authorities missing source publication dates HOT 1
- Submitting an authority that is a new edition of an old source HOT 5
- Buddhist Studies Time Authority Database HOT 1
- Taiwanese periods from Academica Sinica
- Seshat Databank HOT 1
- eHRAF Archaeology database HOT 1
- chronOntology data HOT 1
- Dyson, Stephen L. — Late Iron Age stop date and alt. labels
- Mapping graphs for Chronontology and Wikidata HOT 1
- Getty ATT periods as interpreted by DAINST in Chronontology HOT 5
- Revisit the way temporal extents are modeled
- Replace OCLC URIs with Wikidata ones HOT 2
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