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DACS ElementObligationISAD(G) ElementObligationSchema.orgAS elementAtoM element (to DACS)NotesExample data
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2.1 Reference codeR3.1.1 Reference code(s)Rschema:identifierIdentifierIdentifierok without this.
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2.2 Name and location of repositoryR-schema:holdingArchiveRepository name
Address, Telephone number, email (should be linked to the repository record)
Name and location of repository (link to ISDIAH recod) https://github.com/archival/schema-org/blob/master/_examples/rice/houston-folk-music.json#L12-L16

https://github.com/archival/schema-org/blob/master/_examples/psu/esther-lawton-interview-cassette.json#L19

https://github.com/archival/schema-org/blob/master/_examples/psu/united-mine-workers-safety-division.json#L25

https://github.com/archival/schema-org/blob/master/_examples/emory/civil-war-collection.json#L17-L24
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2.3 TitleR3.1.2 TitleRschema:nameTitleTitlehttps://github.com/archival/schema-org/blob/master/_examples/emory/civil-war-collection.json#L26

https://github.com/archival/schema-org/blob/master/_examples/un/commission-for-india-and-pakistan-plebiscite.json#L36
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2.4 DateR3.1.3 Date(s)Rschema:temporalCoverageDate Expression / Start / End, when Label = "Broadcast|Creation|Publication" and Type = "Inclusive|Single"Date / Start / End / TypeUses ISO 8601 time interval format for date ranges
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3.1.4 Level of descriptionRLevel of DescriptionLevel of descriptionsee schema:isPartOf, schema:hasPart
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2.5 ExtentR3.1.5 Extent and medium of the unit of descriptionRschema:materialExtent; schema:unitText/unitCode; schema:valueExtent statement (combination of 6 data elements: portion, extent number*, extent type*, container summary, physical details, dimensions).... for ASpace, should we just map the "whole" extent statements?Extenthttps://github.com/archival/schema-org/blob/master/_examples/psu/esther-lawton-interview-cassette.json#L11-L15
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2.6 Name of creator(s)R3.2.1 Name of creator(s)Oschema:creatorName of creator(s)Name of creator(s)https://github.com/archival/schema-org/blob/master/_examples/emory/civil-war-collection.json#L25

https://github.com/archival/schema-org/blob/master/_examples/un/commission-for-india-and-pakistan-plebiscite.json#L17-L29

https://github.com/archival/schema-org/blob/master/_examples/rice/houston-folk-music.json#L17-L38

https://github.com/archival/schema-org/blob/master/_examples/psu/united-mine-workers-safety-division.json#L11-L14
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2.7 Administrative/Biographical historyO3.2.2 Administrative/Biographical historyOschema:Person/Organization; schema:descriptionAgent bio note (can be attached to collection or agent record, but my preference might be to ONLY to include it in schema.org when it's attached to the agent record)(history is pulled in on save from the related authority record)https://github.com/archival/schema-org/blob/master/_examples/un/commission-for-india-and-pakistan-plebiscite.json#L21
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3.1 Scope and contentR3.3.1 Scope and contentOschema:descriptionScope and content note (like all notes in ASpace, this can be repeated); abstract note if no scope and content noteScope and contenthttps://github.com/archival/schema-org/blob/master/_examples/emory/civil-war-collection.json#L27

https://github.com/archival/schema-org/blob/master/_examples/un/commission-for-india-and-pakistan-plebiscite.json#L37

https://github.com/archival/schema-org/blob/master/_examples/rice/houston-folk-music.json#L39-L43

https://github.com/archival/schema-org/blob/master/_examples/psu/united-mine-workers-safety-division.json#L24
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3.2 System of arrangement O3.3.4 System of arrangementOArrangement noteSystem of arrangementnot appropriate for search engine results
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4.1 Conditions governing accessR3.4.1 Conditions of accessOschema:accessAndUseConditions governing access noteConditions governing accesshttps://github.com/archival/schema-org/blob/master/_examples/rice/houston-folk-music.json#L45-L48

https://github.com/archival/schema-org/blob/master/_examples/un/commission-for-india-and-pakistan-plebiscite.json#L16

https://github.com/archival/schema-org/blob/master/_examples/emory/civil-war-collection.json#L13-L16
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4.2 Physical accessO3.4.4 Physical characteristics and technical requirementsOPhysical characteristics and technical requirements notePhysical accessignore; not necessary for schema
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4.3 Technical accessO3.4.4 Physical characteristics and technical requirementsOTechnical accessignore; not necessary for schema
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4.4 Conditions governing reproduction and useO3.4.2 Conditions governing reproductionOschema:accessAndUseConditions governing use noteConditions governing reproduction and usehttps://github.com/archival/schema-org/blob/master/_examples/rice/houston-folk-music.json#L45-L48

https://github.com/archival/schema-org/blob/master/_examples/un/commission-for-india-and-pakistan-plebiscite.json#L16

https://github.com/archival/schema-org/blob/master/_examples/emory/civil-war-collection.json#L13-L16
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4.5 Languages and scripts of the materialR3.4.3 Language/scripts of materialOschema:inLanguageLanguage note; language code (only one per level)Languages of the material / Scripts of the material / Language and script notesASpace will not allow for URI to be used for language code.https://github.com/archival/schema-org/blob/master/_examples/emory/civil-war-collection.json#L30

https://github.com/archival/schema-org/blob/master/_examples/rice/houston-folk-music.json#L11

https://github.com/archival/schema-org/blob/master/_examples/psu/esther-lawton-interview-cassette.json#L18 (possibly incorrect)
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4.6 Finding aidsO3.4.5 Finding aidsOschema:itemDescriptionOther finding aids noteFinding aids
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5.1 Custodial historyO3.2.3 Archival historyOschema:descriptionCustodial history noteCustodial history
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5.2 Immediate source of acquisitionO3.2.4 Immediate source of acquisition or transferOschema:acquiredFrom (property of OwnershipInfo)Immediate source of acquistion noteImmediate source of acquisition or transferhttps://github.com/archival/schema-org/blob/master/_examples/rice/houston-folk-music.json#L49

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5.3 Appraisal, destruction and scheduling informationO3.3.2 Appraisal, destruction and scheduling informationOAppraisal noteAppraisal, destruction and scheduling information
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5.4 AccrualsO3.3.3 AccrualsOAccruals noteAccruals
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6.1 Existence and location of originalsO3.5.1 Existence and location of originalsOschema:holdingArchiveExistence and location of originals noteExistence and location of originals
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6.2 Existence and location of copiesO3.5.2 Existence and location of copiesOExistence and location of copies noteExistence and location of copies
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6.3 Related archival materialsO3.5.3 Related units of descriptionOschema:isRelatedTo (property from Thing)Related materials noteRelated archival materials
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6.4 Publication noteO3.5.4 Publication noteOPublication notes
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7 NoteO3.6.1 NoteOGeneral noteGeneral note(s) / Specialized note(s) / Note type
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8 Description controlO3.7.1 Archivist's note
3.7.2 Rules or conventions
3.7.3 Date(s) of descriptions
OFinding Aid Data.Finding Aid Author
Finding Aid Data.Description Rules
Finding Aid Data.Finding Aid Date (plus revision description dates, if present)
Sources used / Rules or conventions / Archivist and dateNot possible yet in ASpace, but there is a feature request to link the finding author as an agent record, rather than just acting as plain text. For now, though, the author would also be text, rather than a URI.
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Additional mappings not covered by the content standards
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schema:isPartOf; schema:hasPartUsed to relate structural elements together (collection-series-subseries-etc.). Note that in general, isPartOf is used rather than hasPart. Map isPartOf to the top level anncestor *and* the immediate parent for SEO considerations.https://github.com/archival/schema-org/blob/master/_examples/un/commission-for-india-and-pakistan-plebiscite.json#L31-L35

https://github.com/archival/schema-org/blob/master/_examples/psu/esther-lawton-interview-cassette.json#L17

https://github.com/archival/schema-org/blob/master/_examples/psu/esther-lawton-interview-digital.json#L14
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schema:aboutUse for other subject headings--Names and Subjects.https://github.com/archival/schema-org/blob/master/_examples/psu/united-mine-workers-safety-division.json#L15-L19
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schema:keywordsUse for Keywords describing the collection.
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schema:contentLocationUse for Geographic subject headings.
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schema:ArchiveComponentDesigned to be used with one or more types (collection, audioObject, etc.) to define the object as having archival properties. Use both for individual items in a collection as well as collections, series, etc.
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