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Encode the relationship between a person and a date explicitly #267

Closed SJagodzinski closed 3 years ago

SJagodzinski commented 3 years ago

<existDates>: It should be possible to encode the relationship between a person and a date explicitly.

Creator of issue

  1. Gerhard Müller
  2. Staatsbibliothek zu Berlin

The issue relates to

Wanted change/feature

Add attributes @vocabularySource, @vocabularySourceURI, @valueURI to //date, //dateRange, //fromDate, //toDate

Suggested Solution

example 1:

<dateRange>
    <fromDate vocabularySource="GND Ontology" vocabularySourceURI="https://d-nb.info/standards/elementset/gnd" valueURI="https://d-nb.info/standards/elementset/gnd#dateOfBirth">1906</fromDate>
</dateRange>

example 2:

<dateRange vocabularySource="GND Ontology" vocabularySourceURI="https://d-nb.info/standards/elementset/gnd" valueURI="https://d-nb.info/standards/elementset/gnd#dateOfBirthAndDeath">
    <fromDate>1906</fromDate>
    <toDate>1975</toDate>
</dateRange>

example 3:

<date vocabularySource="GND Ontology" vocabularySourceURI="https://d-nb.info/standards/elementset/gnd" valueURI="https://d-nb.info/standards/elementset/gnd#periodOfActivity">1970</date>

Context

It should be possible to encode the relationship between a person and a date explicitly.

144 , #179 , #180 , #181 , #182

kerstarno commented 3 years ago

As a note:

When the EAC-CPF team discussed about which elements should enable the three vocabulary attributes, the date elements (<date>, <dateRange>, <fromDate>, and <toDate>) ended up with a balanced vote, i.e. the same amount of "Yes" votes and "No" votes. The examples used in that context referred to "more general (and literal) date information such as 'New Year's Eve', 'Easter', 'Bastille Day', etc.".

One argument for caution back then was "to postpone a decision with regard to dates and to wait for an outcome on events".

One argument against including vocabulary references in the date elements was that it would be preferable "to keep dates for dates, even when the date expression references a date that has an entry in a vocabulary. I think it’s something that should be accommodated in another way, though. In MODS, you could have:

<subject>
  <temporal valueURI="http://id.loc.gov/authorities/subjects/sh85012296">Bastille Day</temporal>
</subject>

But not a qualifier on dateCreated. I think that makes sense, since the Wikidata example isn’t for a specific Good Friday."

Mainly posting for reference as the example brought up here might fall into a different category and hence might result in a different decision.

AMUnderhill commented 3 years ago

In the date elements its possible to use @localType, does that not solve this problem?

kerstarno commented 3 years ago

@localType could be an option, if we mainly wanted to have the possibility to capture any qualifier for the date as a literal. The same would probably be true for the option to use attributes from any other namespace.

The aspect suggested here, though, is about giving the URI for a qualifying term rather than encoding that term directly.

SJagodzinski commented 3 years ago

EAC-CPF meeting, 4 Nov 2021:

Recommend use @localType to encode context around a date/the type of date it is, link it back to <localTypeDeclaration>, which can include references. Include in Best Practice Guide in the relationship section and in the date section.