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MODS Element name: <subject><temporal> Short definition: The time period, date, or date range the content of the resource is about. Input guidelines: Temporal Coverage may be expressed as a controlled subject term or as a structured date. Enter a named time period (Elizabethan), date (YYYY-MM-DD), or date range (YYYY/YYYY, YYYY-YYYY, YYYY to YYYY). Recommended authorities are AAT, LCSH and PeriodO. Input dates in structured format YYYY-MM-DD. If only part of a date is known, enter year and month only (YYYY-MM) or year only (YYYY). To record time intervals, preferably append a forward slash ('/') to the start date of the interval, followed by the end date of the interval, without spaces between dates and separator (example: 2012-05-29/2012-05-31). |
Definition
The time period, date, or date range the content of the resource is about.
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| DAMS form field name | form field type | required | MODS element | Collections Portal display | notes | ||
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| Coverage Period, Date, or Date Range | text field | no | subject/temporal | Time Period Covered |
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| Coverage Language (if Period) | text field | no | subject[@lang]/temporal (attribute of subject) | N/A | If Coverage information is a named period, enter the appropriate three-letter language code from ISO-639-2b language codes. Default is "eng" (English). |
MODS Element description
Element <subject>
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Attribute name | Details | XPath syntax examples |
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| lang | value: If Coverage information is a named period, enter the appropriate three-letter language code. | subject[@lang] |
Subelements
The following subelements of <subject>are used in the DAMS:
- temporal
- (topic)
- (geographic)
- (hierarchicalGeographic)
- (cartographics)
- (geographicCode)
Subelement <subject><temporal>
Guidelines for use
Temporal Coverage may be expressed as a controlled subject term or as a structured date. Enter a named time period (Elizabethan), date (YYYY-MM-DD), or date range (YYYY/YYYY, YYYY-YYYY, YYYY to YYYY). Recommended authorities are AAT, LCSH and PeriodO. Input dates in structured format YYYY-MM-DD. If only part of a date is known, enter year and month only (YYYY-MM) or year only (YYYY). To record time intervals, preferably append a forward slash ('/') to the start date of the interval, followed by the end date of the interval, without spaces between dates and separator (example: 2012-05-29/2012-05-31).
Attributes
No attributes for <temporal> are currently implemented in the DAMS.
Subelements
No subelements for <temporal>.
XML Examples
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<subject lang="eng"> <temporal>1918-06-29</temporal> </subject> <subject lang="eng"> <temporal>Elizabethan</temporal> </subject> <subject lang="spa"> <temporal>Isabelino</temporal> </subject> |
Mappings
Dublin Core
Depending on the direction of mapping necessary, check
- DC to MODS: https://www.loc.gov/standards/mods/dcsimple-mods.html
- MODS to DC: http://www.loc.gov/standards/mods/mods-dcsimple.html
MARC 21
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see http://www.loc.gov/standards/mods/mods-mapping.html#subject.
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Solr
In general, all MODS metadata is imported into the DAMS Solr server upon ingest. The ingest process generates Solr fields typically named according to the following schema:
mods_value*_suffix
where
- value* can be one or multiple element, subelement or attribute names that allow to distinguish Solr fields
- suffix is s, t, ss, ms or mt, which refers to the type of data stored in a Solr field and how it is indexed. The Solr index usually contains multiple copies of each field with the same content, distinguished by their suffix.
The following table shows mappings between MODS elements and Solr fields for those fields that are currently used for display in the Collections portal, or where additional processing happens in Islandora or during the publishing process. Suffixes are ignored, unless relevant for the mapping.
| MODS element | Mapping condition | Solr DAMS | Solr Collections Portal | Notes |
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| subject/temporal | mods_subject_temporal | mods_subject_temporal |