Metadata Input Guidelines: Relation
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Element Name
Relation
Definition
Information about another resource that is related to the current resource.
Where Can the Relation Information be Found?
- Relation information provides a reference to a related resource
which may be found on:
- a title page
- accompanying or supplementary information
How Relation Works in the Metadata Form
- Parts:
- 1. Relation type – drop-down menu
- 2. Relation – text field
- Repeatable?
- Yes - to include multiple relationships, click ‘Add’ to repeat all field parts
How Should the Relation Information be Filled in?
- Enter information about known relationships in the records for both items
- It is not necessary to do research to find related resources
- If the relationship is unclear, uncertain, or otherwise questionable, the information may be entered into a display note or non-display note instead
Guideline | Example |
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Experiment Station Record Volume 61 |
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81-01796a-20_02 and 81-01796b-20_02
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ark:/67531/metapth38109
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- Choose the appropriate relation qualifier from the controlled vocabulary
- Generally both halves of the reciprocal relation should be
represented so that each record references the other
- In some cases, if there are a large number of related items on one side (usually has part/is part of), the child items should all reference the parent, but the reciprocal may be eliminated
- The direction of the relationship should reflect which of the items was created first or is a more original version
- If you cannot determine which is the more original/first created item, default to the one uploaded first (lower ARK)
- If more than one qualifier applies (e.g., transcription and translation), choose one and explain as needed in a display note
- If none of the qualifiers applies to the items, the qualifier can be left blank, but consider whether the information might be more appropriate in another field such as:
Relationship | Description | Examples |
Is based on / Is basis for |
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Is format of / Has format |
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Is part of / Has part |
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Is version of / Has version |
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References / Is referenced by |
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Replaces / Is replaced by |
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Requires / Is required by |
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Has transcription / Is transcription of |
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Has translation / Is translation of |
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Conforms to |
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(Not currently used; see the note below in the Comments section.) |
Other Examples
Detailed volumes with a separate summary
Summary report:
Is based on: Texas House Legislative Budget Estimates: 2016-2017 Biennium, Articles 1-3, ark:/67531/metapth641220
Is based on: Texas House Legislative Budget Estimates: 2016-2017 Biennium, Articles 4-10, ark:/67531/metapth640727
Each complete report:
Is basis for: Summary of Texas House Legislative Budget Board Estimates: 2016-17 Biennium, ark:/67531/metapth839391
Map with copies in multiple formats
Map of North Park Addition to Abilene, Texas [#1]:
Has format: Map of North Park Addition to Abilene, Texas [#2], OKHPB_0470, ark:/67531/metapth77939
Has format: Map of North Park Addition to Abilene, Texas [#3], OKHPB_0491, ark:/67531/metapth77960
Map of North Park Addition to Abilene, Texas [#2]:
Is format of: Map of North Park Addition to Abilene, Texas [#1], OKHPB_0468, ark:/67531/metapth77936
Is format of: Map of North Park Addition to Abilene, Texas [#3], OKHPB_0491, ark:/67531/metapth77960
Map of North Park Addition to Abilene, Texas [#3]:
Is format of: Map of North Park Addition to Abilene, Texas [#1], OKHPB_0468, ark:/67531/metapth77936
Is format of: Map of North Park Addition to Abilene, Texas [#2], OKHPB_0470, ark:/67531/metapth77939
Application materials with photos duplicated as separate items
For complete application document:
Has part: [Alexander Lowe House Photograph #1], ark:/67531/metapth495135
Has part: [Alexander Lowe House Photograph #2], ark:/67531/metapth495293
For each individual photo:
Is part of: [Historic Marker Application: Alexander Lowe House], ark:/67531/metapth477613
City Ordinances repeated in multiple volumes
For Ordinances 1-20 record:
Has version: [City of Clarendon Ledger: Ordinances 1-103], ark:/67531/metapth38109
For Ordinances 1-103 record:
Is version of: [City of Clarendon Ledger: Ordinances 1-20], ark:/67531/metapth38130
A series of volumes with a cumulative index
For General Index record:
References: Experiment Station Record Volume 61, ark:/67531/metadc5095
For Volume 61 record:
Is referenced by: Experiment Station Record General Index to Volumes 61-70, ark:/67531/metadc5055
A handwritten letter with a typed transcription
Original letter:
Has transcription: [Transcript of letter from Josephus Moore to Charles Moore, February 16, 1865], CBM_2079-019-004, ark:/67531/metapth203126
Transcription:
Is transcription of: [Letter from Josephus Moore to Charles Moore, February 16, 1865], CBM_2079-019-004, ark:/67531/metapth203348
A Texas document published in both English and Spanish
For English version:
Has translation: Boletín de Noticias, Primavera 2013, ark:/67531/metapth640173
For Spanish version:
Is translation of: Texas Talking Book News, Spring 2013, ark:/67531/metapth653584
Comments
- To make observations about related subject matter in the intellectual content of another resource (for example, photographs of the same storm-damaged building taken from different viewpoints), use the Note element.
- Items may also have other content-based connections that are not represented best by a formal “Relation.” For example, materials may have topical, geographic, or temporal relationships represented in the Date, Coverage, Subject, or other appropriate fields.
- Relationships are drawn primarily from Dublin Core Metadata
Initiative (DCMI) standards (a full list of fields and controlled
vocabulary terms can be accessed here).
- The relationships for transcription and translation are locally added
- We include “Conforms To” within our controlled vocabulary as a DCMI relationship, but it is not currently used within the system.
- Local practice is to use the Relation field specifically for reciprocal references between items in the Digital Collections, rather than describing relationships between an item in the Digital Collections and an external resource.
- Although only the ARK is technically required to establish a relationship, it is highly encouraged to include a title or other identifying information for clarity and to increase metadata shareability (e.g., for harvesting)
Resources
- UNT Relation Qualifier Controlled Vocabulary
- Dublin Core Metadata Initiative (DCMI) Homepage
More Guidelines: