dc/dcterms: date

[tombaker]

• dc11:date (through 2019)

  Comment reads: "Date may be used to express temporal information at any level of granularity. Recommended best practice is to use an encoding scheme, such as the W3CDTF profile of ISO 8601."

• dcterms:date (ISO 15836-2 / DCMIMT 2020)

  Comment: Date may be used to express temporal information at any level of granularity. Recommended practice is to express the date, date/time, or period of time according to ISO 8601-1 or a published profile of the ISO standard, such as the W3C Note on Date and Time Formats or the Extended Date/Time Format Specification. If the full date is unknown, month and year (YYYY-MM) or just year (YYYY) may be used. Date ranges may be specified using ISO 8601 period of time specification in which start and end dates are separated by a '/' (slash) character. Either the start or end date may be missing.

  Examples

  1. 2018
  2. 2016-03-04
  3. 2017-11-05T08:15:30-05:00
  4. 1968/2015
  5. 2006/..

CHANGING NOW (unless I hear objections!)

• dcterms:date (DCMIMT 2020)

  Changing comment as per dcterms:

PROPOSING FOR FUTURE (to be voted)

• dc11:date

  Declare equivalent to dcterms:

[kcoyle]

In those cases where the definitions and comments will be identical between the two namespaces, would it be better to make a kind of "see reference" to the dcterms property? The advantage with that it is that makes it absolutely clear that the two are defined identically. With text you don't know if there are any differences. Somehow I want an indication that the properties have the exact same definition. This will indicate to people that they can treat them as "same as" in any work they are doing.

[tombaker]

would it be better to make a kind of "see reference" to the dcterms property

Thanks - this is indeed the way I am currently handling it! Each "elements/1.1" property has a note saying that "A second property http://localhost:1313/specifications/dublin-core/dcmi-terms/#http://purl.org/dc/terms/date with the same name as this property has been declared in the dcterms: namespace http://purl.org/dc/terms/. See the Introduction to the document DCMI Metadata Terms http://localhost:1313/specifications/dublin-core/dcmi-terms/ for an explanation." The current DCMIMT document has notes like this, but these notes actually link to a specific property.

On Wed, Jan 15, 2020 at 8:32 PM Karen Coyle notifications@github.com wrote:

In those cases where the definitions and comments will be identical between the two namespaces, would it be better to make a kind of "see reference" to the dcterms property? The advantage with that it is that makes it absolutely clear that the two are defined identically. With text you don't know if there are any differences. Somehow I want an indication that the properties have the exact same definition. This will indicate to people that they can treat them as "same as" in any work they are doing.

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