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Abstract
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MODS Element name: <originInfo><dateCreated> (Creation date) or <originInfo><dateIssued> (Issuance date); <originInfo><copyrightDate> (Copyright date) Short definition: Information about the original creation, publication or copyright date of the resource (adapted from MODS standard). An asset's metadata need to contain either a Creation date or an Issuance date. If both dates are present, the asset cannot be published to the Collections portal. Input guidelines: It is strongly recommended to input known dates in a structured format: YYYY-MM-DD (year-month-date). You can also enter year and month (YYYY-MM), or year only (YYYY). For unknown dates, enter "undated". For uncertain dates, select a date qualifier (approximate, inferred, or questionable). Alternatively, a limited number of textual date information can be entered: circa/ca/c/ca./c. YYYY, 19th century, 1960s, late 1850s, mid 4th century. Creation Date: Original creation date of the resource, most relevant to discovery of the resource by end-users. Input the original Creation date/ Start date of creation of the resource. End date of creation is recommended if a date range is applicable, but it is not mandatory. Issuance Date: The date that the resource was published, released, or issued. End date of issuance is recommended if a date range is applicable, but it is not mandatory. Copyright Date: A date in which a resource is copyrighted (date copyright was established, e. g. through registration). |
Definition
Information about the original creation, publication or copyright date of the resource (adapted from MODS standard). Can be single date (point) or date range. An asset's metadata need to contain either a Creation date or an Issuance date. If both dates are present, the asset cannot be published to the Collections portal.
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- Creation Date: Original creation date of the resource, most relevant to discovery of the resource by end-users. Input the original Creation date/ Start date of creation of the resource. End date of creation is recommended if a date range is applicable, but it is not mandatory.
- Issuance Date: The date that the resource was published, released, or issued. End date of issuance is recommended if a date range is applicable, but it is not mandatory.
- Copyright Date: A date in which a resource is copyrighted (date copyright was established, e. g. through registration).
DAMS input form fields
Date
DAMS form field name | form field type | required | MODS element | Collections portal display | notes | ||||||||||
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Select key date for this object | radio button option selection
| yes | dateCreated[@keyDate] dateIssued[@keyDate] | Used for Date Created/Date Issued facet |
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Date Created/ Date Created Start | text field | yes, if Date created is selected as key date | dateCreated[@point="start"] | Date Created/Date Issued |
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Start Date Qualifier (Creation date) | dropdown selection
| no | dateCreated[@qualifier] | N/A |
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Date Created End (if applicable) | text field | no | dateCreated[@point="end"] | N/A | see Date Created/ Date Created Start | ||||||||||
End Date Qualifier (Creation date) | dropdown selection
| no | dateCreated[@qualifier] | N/A | see Start Date Qualifier (Creation date) | ||||||||||
Date Issued/ Date Issued Start | text field | yes, if Date issued is selected as key date | dateIssued[@point="start"] | Date Created/Date Issued |
see Date Created/ Date Created Start | ||||||||||
Start Date Qualifier (Issuance date) | dropdown selection
| no | dateIssued[@qualifier] | N/A |
see Start Date Qualifier (Creation Date) | ||||||||||
Date Issued End (if applicable) | text field | no | dateIssued[@point="end"] | N/A |
see Date Created End | ||||||||||
End Date Qualifier (Issuance date) | dropdown selection
| no | dateIssued[@qualifier] | N/A |
see End Date Qualifier (Creation Date) | ||||||||||
Copyright Date | text field | no | copyrightDate | N/A |
see Date Created/ Date Created Start |
MODS Element description
Element <originInfo>
http://www.loc.gov/standards/mods/userguide/origininfo.html
Guidelines for use
<originInfo> is a container element that contains all subelements related to publication and origination information. It includes all dates associated with the creation, issuance, and/or publication of the resource. Dates associated with the temporal content of the resource go under <subject>, and dates associated with the metadata go in <recordInfo>. Data is input only within each subelement.
Attributes
Currently no attributes for originInfo are implemented in the DAMS.
Subelements
The following subelements of <originInfo> are used in the DAMS:
- dateCreated
- dateIssued
- copyrightDate
- (place)
- (publisher)
Subelement <originInfo><dateCreated>
Guidelines for use
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An asset's metadata need to contain either a Creation date or an Issuance date. If both dates are present, the asset cannot be published to the Collections portal. It is strongly recommended to input known dates in a structured format: YYYY-MM-DD (year-month-date). You can also enter year and month (YYYY-MM), or year only (YYYY). For unknown dates, enter "undated". For uncertain dates, enter a time span (e. g. a year, decade, century) and select a date qualifier (approximate, inferred, or questionable). Alternatively, a limited number of textual date information can be entered:
The DAMS will create a machine-readable date element with a keyDate attribute that approximates the textual date information. The machine-readable date is for instance used for sorting of search results. |
<dateCreated> is repeatable to accommodate start and end points and auto-generated, machine-readable, w3cdtf encoded, keyDate version of <dateCreated>.
Attributes
Attribute name | Details | XPath syntax examples | |||||||
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point | values:
The 'start' date value is used for the first date of a range, or for a single date, if an end date is not present. | originInfo/dateCreated[@point="start"] | |||||||
keyDate | values:
| originInfo/dateCreated[@keyDate="yes"] | |||||||
qualifier | values:
| originInfo/dateCreated[@qualifier="approximate"] | |||||||
encoding | values:
Used on automatically generated date element only. | originInfo/dateCreated[@encoding="w3cdtf"] |
Subelements
No subelements for dateCreated.
Subelement <originInfo><dateIssued>
Guidelines for use
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Attributes
Attribute name | Details | XPath syntax examples | ||||||||
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point | values:
The 'start' date value is used for the first date of a range, or for a single date, if an end date is not present. | originInfo/dateIssued[@point="start"] | ||||||||
keyDate | value:
| originInfo/dateIssued[@keyDate="yes"] | ||||||||
qualifier | values:
| originInfo/dateIssued[@qualifier="inferred"] | ||||||||
encoding | value:
Used on automatically generated date element only. | originInfo/dateIssued[@encoding="w3cdtf"] |
Subelements
No subelements for dateIssued.
Subelement <originInfo><copyrightDate>
Status | ||||
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Guidelines for use
Input known dates in a structured format: YYYY-MM-DD (year-month-date). You can also enter year and month (YYYY-MM), or year only (YYYY).
Attributes
Currently no attributes for originInfo are implemented in the DAMS.
Subelements
No subelements for copyrightDate.
XML Examples
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<!-- YYYY-MM-DD entry --> <originInfo> <dateCreated point="start">1972-10-25</dateCreated> <dateCreated point="start" encoding="w3cdtf" keyDate="yes">1972-10-25</dateCreated> </originInfo> <!-- YYYY-MM-DD to YYYY-MM-DD range entry --> <originInfo> <dateCreated point="start">2016-01-01</dateCreated> <dateCreated point="end">2017-05-10</dateCreated> <dateCreated point="start" encoding="w3cdtf" keyDate="yes">2016-01-01</dateCreated> </originInfo> <!-- questionable YYYY entry --> <originInfo> <dateCreated point="start" qualifier="questionable">1894</dateCreated> <dateCreated point="start" qualifier="questionable" encoding="w3cdtf" keyDate="yes">1894-01-01</dateCreated> </originInfo> <!-- inferred YYYY entry --> <originInfo> <dateCreated point="start" qualifier="inferred">1916</dateCreated> <dateCreated point="start" qualifier="inferred" encoding="w3cdtf" keyDate="yes">1916-01-01</dateCreated> </originInfo> <!-- approximate partial decade entry --> <originInfo> <dateCreated point="start" qualifier="approximate">late 1990s</dateCreated> <dateCreated point="start" qualifier="approximate" encoding="w3cdtf" keyDate="yes">1997-01-01</dateCreated> </originInfo> <!-- undated entry --> <originInfo> <dateCreated keyDate="yes">undated</dateCreated> </originInfo> <!-- approximate century entry --> <originInfo> <dateCreated point="start" qualifier="approximate">circa 9th century</dateCreated> <dateCreated point="start" qualifier="approximate" encoding="w3cdtf" keyDate="yes">0800-01-01</dateCreated> </originInfo> |
Mappings
Dublin Core
Depending on the direction of mapping necessary, check
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Dublin Core field | Mapping condition | MODS element | Notes |
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dc:date | dateCreated[@point="start"] | The date value in the MODS element is prefixed with the text "Created: ". | |
dc:date | dateCreated[@point="end"] | Creation start and end date are concatenated, separated by "/". The resulting string is prefixed with the text "Created: ". | |
dc:date | dateIssued[@point="start"] | The date value in the MODS element is prefixed with the text "Issued: ". | |
dc:date | dateIssued[@point="end"] | Creation start and end date are concatenated, separated by "/". The resulting string is prefixed with the text "Issued: ". | |
N/A | copyrightDate | Currently, there is no mapping of copyrightDate to DC implemented in the DAMS. |
MARC 21
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see http://www.loc.gov/standards/mods/mods-mapping.html#publication. The following specific guidelines apply for the DAMS:
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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:
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DAMS metadata element | Mapping condition | Solr DAMS | Solr Collections portal | Notes | ||||||
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dateCreated[point="start"] | [not(@keyDate="yes")] | mods_dateCreated_start | date_created_issued |
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dateCreated[point="end"] | mods_dateCreated_end | N/A | Creation end date is not displayed in the Collections portal. | |||||||
dateIssued[point="start"] | [not(@keyDate="yes")] | mods_dateIssued_start | date_created_issued |
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dateIssued[point="end"] | mods_dateIssued_end | N/A | Issuance end date is not displayed in the Collections portal. | |||||||
*[@keyDate="yes"] | mods_keyDate_sort | display_date | mods_keyDate_sort is generated during ingest from the date value marked as key date in the MODS metadata. mods_keyDate_sort is used for sorting the list of search results in the Collections portal. display_date is generated during the publication process. The field contains the first 4 characters of the date value marked as key date in the MODS metadata. display_date is used to generate the search facets for Date Created/Date Issued and Public Domain Status in the Collections portal. | |||||||
dc:date | dc.date | N/A | Cf. MODS to Dublin Core metadata mapping. Separate dc.date Solr fields are generated for Creation/Issuance date(s) as entered by the metadata provider and for the key date. |
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