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REQUIRED REPEATABLE MULTILINGUAL MODS Element name: <subject><topic> Short definition: Topic the described resource is about. Input guidelines: At least one English topic term required. Use authority control if appropriate. If you do not use a controlled vocabulary, check the Topic facet on the Collections portal to avoid spelling variants for uncontrolled terms. Follow your unit/collection guidelines.
Topic the described resource is about.
DAMS form field name | form field type | required | MODS element | Collections Portal display | notes |
---|---|---|---|---|---|
Subject - Topic Term | text field | yes | subject/topic | Topic | If you do not use a controlled vocabulary, check the Topic facet on the Collections portal to avoid spelling variants for uncontrolled terms. |
Topic Term Language | text field | yes | subject[@lang]/topic (attribute of subject) | N/A | At least one English ("eng") topic term required. For additional terms, enter the appropriate three-letter language code from ISO-639-2b language codes. |
http://www.loc.gov/standards/mods/userguide/subject.html
<subject> is a container element that contains subelements relating to the subject aspect of the resource.
Attribute name | Details | XPath syntax examples |
---|---|---|
lang | value: At least one English ("eng") topic term required. For additional terms, enter the appropriate three-letter language code from ISO-639-2b language codes. | subject[@lang] |
The following subelements of <subject>are used in the DAMS:
No attributes for <temporal> are currently implemented in the DAMS.
No subelements for <topic>.
Depending on the direction of mapping necessary, check
see http://www.loc.gov/standards/mods/mods-mapping.html#subject.MARC 21 field Mapping condition MODS element Notes 6XX subject/topic Do not use the topic[@authority] attribute when mapping topic information.
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
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 |
---|---|---|---|---|
subject/topic | mods_subject_temporal | mods_subject_temporal | ||
subject/topic | mods_subject_temporal | display_topic_ms | Used to create facets on the Collections portal start page. The Solr field display_topic is generated by capitalizing the first letter of the first word for each topic value. |