This This document is in draft and is subject to change.
How to read this document
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- Label: A label for the property.
- RDF property: A recognized RDF property that can be expressed as a URI.
- DB property: How the property is persisted to a relational database. "Attribute" indicates that this property is persisted as an attribute of the described class. "Relationship" indicates that this property is persisted as a relationship to another entity in the database.
- Expected type: The expected data type for the property.
- Obligation: The number of Expected type: The expected data type for the property.
- Obligation: The number of allowable values for each property. Properties that are recommended (but not required) are indicated with a *.
- Definition: The definition of the property.
- Notes: Additional information that will help create or format data
Namespaces | |
|---|---|
| css | http://www.corestandards.org/ |
| dct | http://purl.org/dc/terms/ |
| dcmitype | http://purl.org/dc/dcmitype/ |
| ore | http://www.openarchives.org/ore/terms/ |
| ontowiki | http://ns.ontowiki.net/SysOnt/ |
| schema | http://schema.org/ |
Classes
AlignmentObject, Author, Guide, Language, Organization, PlaceSet, PrimarySourceSource, PrimarySourceSet, Subject, TeachingGuide, TimePeriodTimePeriod
| Anchor | ||||
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Class:AlignmentObject
| Label | RDF property | DBproperty | typeExpected type | Obligation | Definition | Notes | |
|---|---|---|---|---|---|---|---|
| @type | @typeN/A | URI | 1 | RDF type of the alignment object | Expected value: "schema:AlignmentObject" | ||
| alignmentType | schema:alignmentTypeN/A | text | 1 | A category of alignment between the learning resource and the framework node. | Expected value: "requires" | ||
| educationalFramework | schema:educationalFramework | N/A | text | 1 | The framework to which the resource being described is aligned. | Format: Common Core State Standards dot notation Example: "CCSS.ELA-Literacy.RH.6-8.7" | |
| targetName | schema:targetNameN/A | text | 0-1* | The name of a node in an established educational framework. | Expected value: "Common Core State Standard" | ||
| targetUrl | schema:targetUrl | N/A | URI | 0-1* | The URL of a node in an established educational framework. | Expected values: "ccss:ELA-Literacy/RH/6-8/7/", "ccss:ELA-Literacy/RH/6-8/7/", "ccss:ELA-Literacy/RH/6-8/9/", "ccss:ELA-Literacy/RH/9-10/9/", "ccss:ELA-Literacy/RH/11-12/7/", "ccss:ELA-Literacy/RH/11-12/9/", "ccss:ELA-Literacy/CCRA/R/7/", "ccss:ELA-Literacy/CCRA/W/8/", "ccss:ELA-Literacy/WHST/6-8/8/", "ccss:ELA-Literacy/WHST/9-10/8/" |
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Class:Author
| Label | RDF property | DB property type | Expected type | Obligation | Definition | Notes |
|---|---|---|---|---|---|---|
| id | N/A | attribute | text | 1 | Unique id of the author | |
| @type | @type | N/A | URI | 1 | RDF type of the author | Expected value: "schema:Person" |
| name | schema:nameattribute | text | 1 | Name of the author | ||
| affiliation | schema:affiliation | relationship | schema:Organization | 0-1 | Organizational affiliation of the author |
*recommended
| Anchor | ||||
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Class:
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Guide
| Label | RDF property | DBproperty | typeExpected type | Obligation | Definition | Notes | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
@id | @id | URI | 1 | Unambiguous URI of the teaching guide | ||||||||||||
| @type | @type | N/A | URI | 1 | RDF type of the | languageguide | Expected value: "schema: | LanguageCreativeWork" | ||||||||
| @idname | @id | N/A | URI | schema:name | text | 0-1* | RDF id Name of the language | Expected value: "http://www.lexvo.org/page/term/eng/English" Vocabulary: Lexvo In the future, other languages may be used, but for the time being, the only expected language is English. | name | schema:name | N/A | text | 0-1 | Name of the language | Expected value: "English"guide | |
text | schema:text ontowiki:Markdown | markdown | 0-1 | Textual content of the guide, such as questions and activity | ||||||||||||
| set | schema:isPartOf | schema:CreativeWork | 1 | The primary source set to which this guide belongs | ||||||||||||
| author | scheme:author | schema:Person | 0-n | The author of this guide |
*recommended
| Anchor |
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Class:
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Language
| Label | RDF property | DB property type | Expected type | Obligation | Definition | Notes | id | N/A | attribute | text | 1Unique id of the organization | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| @type | @type | N/A | URI | 1 | RDF type of the organizationlanguage | Expected value: "schema:OrganizationLanguage" | |||||||
| name@idschema:name | @id | attributeURI | text | 0-1 | Name RDF id of the organization | location | schema:location | attribute | schema:Place (RDF) text (DB)language | Expected value: "http://www.lexvo.org/page/term/eng/English" Vocabulary: Lexvo In the future, other languages may be used, but for the time being, the only expected language is English. | |||
| name | schema:name | text | 0-1 | Location Name of the organizationIn the database, the value of this field is equivalent to Class:Place.namelanguage | Expected value: "English" |
*recommended
| Anchor | ||||
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Class:
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Organization
| Label | RDF property | DB property type | Expected type | Obligation | Definition | Notes |
|---|---|---|---|---|---|---|
| @type | @type | N/A | URI | 1 | RDF type of the placeorganization | Expected value: "schema:PlaceOrganization" |
| name | schema:nameN/A | text | 0-1 | Name of the time placeorganization |
*recommended
| Anchor | ||||
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Class:
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Set
| Label | RDF property | DBproperty | typeExpected type | Obligation | Definition | Notes | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| id @id | N/A | attribute | text | 1 | Unique id of the primary source | @id | @id | N/A | URI | 1 | @id | URI | 1 | Unambiguous URI of the primary sourceset | ||
| @type | @type | N/A | URI | 1 | RDF type of the primary sourceset | Default Expected value: "schema:CreativeWork" | ||||||||||
| name Other possible values: "schema:MediaObject", "schema:AudioObject", "schema:VideoObject", "schema:ImageObject" | name | schema:name | attribute | testschema:name | text | 1 | Name of the set | |||||||||
| image | schema:image | URI | 0-1* | Large version of image representing set | ||||||||||||
| thumbnail | schema:thumnailUrl | URI | 0-1* | Name or brief caption describing the primary sourceSmall version of image representing set | aggregation | |||||||||||
| description | dctschema: | referencesdescription | attribute | ore:Aggregation (RDF) URI (DB) | 1 | The DPLA aggregation representing the primary source | ||||||||||
thumbnail | schema:thumbnailUrl | attribute | URI | 0-1* | A thumbnail representation of the primary source | |||||||||||
| text | schema:text ontowiki:Markdown | attribute | markdown | 0-1 | Narrative description, transcription, citation, or other text describing the primary source | |||||||||||
| encodingFormat | schema:encodingFormat | attribute | text | 0-1* | The format in which the full representation of the primary source is encoded | Example: "pdf", "mp3", "jpg" | ||||||||||
| contentUrl | schema:contentUrl | attribute | URI | 0-1* | A URL pointing to a full representation of the primary source | The content URL may be dependent on the authorization status of the user accessing the data. For example, an authorized user may be served the URI for the full representation of the item as hosted by DPLA, while an unauthorized user may be served the value for ore:Aggregation.isShownAt. | ||||||||||
| primarySourceSet | schema:isPartOf | relationship | schema:CreativeWork | 1 | The primary source set to which this primary source belongs |
*recommended
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Class:PrimarySourceSet
| Label | RDF property | DB property type | Expected type | Obligation | Definition | Notes |
|---|---|---|---|---|---|---|
| id | N/A | attribute | text | 1 | Unique id of the PSS | |
| slug | N/A | attribute | text | 0-1* | Human-readable slug to be used in the construction of a URL for the PSS | |
| published | N/A | attribute | boolean | 1 | Whether or not the PSS is intended for live publication on the DPLA website. | If true, PSS will be accessible to all users. If false, PSS will only be accessible to authorized users. Default value: false |
@id | @id | N/A | URI | 1 | Unambiguous URI of the PSS | |
| @type | @type | N/A | URI | 1 | RDF type of the PSS | Expected value: "schema:CreativeWork" |
| name | schema:name | attribute | text | 0-1* | Name of the PSS | |
| image | schema:image | attribute | URI | 0-1* | Large version of image representing PSS | |
| thumbnail | schema:thumnailUrl | attribute | URI | 0-1* | Small version of image representing PSS | |
| description | schema:description | attribute | text | 0-1* | Brief description of the PSS | Example: "This collection uses primary sources to explore the French and Indian War." |
| dateCreated | schema:dateCreated | attribute | ISO 8601 date format (yyyy-mm-dd) | 1 | Date the PSS was created | |
| dateModified | schema:dateModified | attribute | ISO 8601 date format (yyyy-mm-dd) | 0-1 | Date the PSS was most recently modified | |
| text | schema:text ontowiki:Markdown | attribute | markdown | 0-1 | Narrative overview of the PSS | PrimarySourceSet:text and PrimarySourceSet:resources may be concatenated to form a single schema:text field |
| resources | schema:text ontowiki:Markdown | attribute | markdown | 0-1 | Narrative information regarding resources for further research | Can include links to additional sources and tips for finding related materials in the DPLA PrimarySourceSet:text and PrimarySourceSet:resources may be concatenated to form a single schema:text field |
| primarySource | schema:hasPart | relationship | schema:CreativeWork | 0-n* | Primary sources in the PSS | |
| teachingGuide | schema:hasPart | relationship |
Class:TeachingGuide schema:CreativeWork | 0-n* | Teaching guide associated with the PSS | |
| subject | schema:about | relationship | schema:Thing | 0-n* | Educational subject of the PSS | |
| timePeriod | dct:temporal | relationship | dct:PeriodOfTime | 0-n* | Temporal subject of the PSS | |
| author | schema:author | relationship | Class:Author schema:Person | 0-n* | Author of the PSS | |
| publisher | schema:publisher | N/A | schema:Organization | 0-1 | Publisher of the PSS | The publisher for all PSS's is DPLA. |
| language | schema:inLanguage | N/A | schema:Language | 0-n | Primary language of the PSS | |
| mediaType | dct:type | N/A | dct:DCMIType | 0-1 | The set of classes specified by the DCMI Type Vocabulary, used to categorize the nature or genre of the resource.
| Expected value: "dcmitype:InteractiveResource" |
| learningResourceType | schema:learningResourceType | N/A | text | 0-1 | Predominant type of kind characterizing the learning resource | Expected value: "Source Set" |
| interactivityType | schema:interactivityType | N/A | text | 0-1 | Predominant mode of learning supported by the learning resource | Expected value: "Interactive" Vocabulary: Learning Registry Metadata Initiative suggested terms |
| license | schema:license | N/A | URI | 0-1 | URL where the owner specifies permissions for using the resource | Expected value: "http://dp.la/info/terms/" |
| educationalAlignment | schema:educationalAlignment | N/A | schema:alignmentObject | 0-n | An alignment to an established educational framework | |
| accessibilityFeature | schema:accessibilityFeature | N/A | text | 0-n | Content features of the resource, such as accessible media, alternatives and supported enhancements for accessibility | Expected values: "captions", "structuralNavigation", "audioControl", "videoControl" Vocabulary: Learning Registry Metadata Initiative suggested terms |
| accessibilityHazard | schema:accessibilityHazard | N/A | text | 0-n | A characteristic of the described resource that is physiologically dangerous to some users. Related to WCAG 2.0 guideline 2.3 | Expected values: "noFlashingHazard", "motionSimulation", "noSoundHazard" Vocabulary: Learning Registry Metadata Initiative suggested terms |
| accessibilityControl | schema:accessibilityControl | N/A | text | 0-n | Identifies input methods that are sufficient to fully control the described resource | Expected values: "fullMouseControl" Vocabulary: Learning Registry Metadata Initiative suggested terms |
*recommended
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Class:Subject
| Label | RDF property | DB property type | Expected type | Obligation | Definition | Notes |
|---|---|---|---|---|---|---|
| id | N/A | attribute | text | 1 | Unique id of the subject | |
| @type | @type | N/A | URI | 1 | RDF type of the subject | Expected value: "schema:Thing" |
| name | schema:name | attribute | text | 1 | Name of the subject | |
| lrmi | N/A | attribute | boolean | 1 | If true, the subject is intended for used in the Learning Registry Metadata Initiative | Default: true |
| filter | N/A | attribute | boolean | 1 | If true, the subject is intended for use as a filter in the DPLA web interface | Default: false |
*recommended
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Class:TeachingGuide
| Label | RDF property | DB property type | Expected type | Obligation | Definition | Notes |
|---|---|---|---|---|---|---|
| id | N/A | attribute | text | 1 | Unique id of the teaching guide | |
@id | @id | N/A | URI | 1 | Unambiguous URI of the teaching guide | |
| @type | @type | N/A | URI | 1 | RDF type of the teaching guide | Expected value: "schema:CreativeWork" |
| name | schema:name | attribute | text | 0-1* | Name of the teaching guide | |
text | schema:text ontowiki:Markdown | attribute | markdown | 0-1 | Textual content of the teaching guide, such as questions and activity | |
| primarySourceSet | schema:isPartOf | relationship | schema:CreativeWork | 1 | The primary source set to which this teaching guide belongs | |
| author | scheme:author | relationship | schema:Person | 0-n | The author of this teaching guide |
*recommended
...
Class:TimePeriod
| Label | RDF property | DB property type | Expected type | Obligation | Definition | Notes | |||
|---|---|---|---|---|---|---|---|---|---|
| id | N/A | attribute | text | 1 | Unique id of the time period | ||||
| @type | @type | N/A | URI | 1 | RDF type of the time period | Expected value: "dct:PeriodOfTime" | |||
| name | schema:name | attribute | text | 1 | Name of the time period | ||||
| lrmi | N/A | attribute | boolean | 1 | If true, the time period is intended for used in the Learning Registry Metadata Initiative as a subject term | Default: true | |||
| filter | N/A | attribute | boolean | 1 | If true, the time period is intended for use as a filter in the DPLA web interface | Default: falsetext | 0-1* | Brief description of the set | Example: "This collection uses primary sources to explore the French and Indian War." |
| dateCreated | schema:dateCreated | ISO 8601 date format (yyyy-mm-dd) | 1 | Date the set was created | |||||
| dateModified | schema:dateModified | ISO 8601 date format (yyyy-mm-dd) | 0-1 | Date the set was most recently modified | |||||
| overview | schema:text ontowiki:Markdown | markdown | 0-1 | Narrative overview of the set | Set:text and Set:resources may be concatenated to form a single schema:text field | ||||
| resources | schema:text ontowiki:Markdown | markdown | 0-1 | Narrative information regarding resources for further research | Can include links to additional sources and tips for finding related materials in the DPLA Set:text and Set:resources may be concatenated to form a single schema:text field | ||||
| source | schema:hasPart | schema:CreativeWork | 0-n* | Sources in the set | |||||
| guide | schema:hasPart |
schema:CreativeWork | 0-n* | Teaching guide associated with the set | |||||
| subject | schema:about | schema:Thing | 0-n* | Educational subject of the set | |||||
| timePeriod | dct:temporal | dct:PeriodOfTime | 0-n* | Temporal subject of the set | |||||
| author | schema:author | schema:Person | 0-n* | Author of the set | |||||
| publisher | schema:publisher | schema:Organization | 0-1 | Publisher of the set | The publisher for all set's is DPLA. | ||||
| language | schema:inLanguage | schema:Language | 0-n | Primary language of the set | |||||
| mediaType | dct:type | dct:DCMIType | 0-1 | The set of classes specified by the DCMI Type Vocabulary, used to categorize the nature or genre of the resource.
| Expected value: "dcmitype:InteractiveResource" | ||||
| learningResourceType | schema:learningResourceType | text | 0-1 | Predominant type of kind characterizing the learning resource | Expected value: "Source Set" | ||||
| interactivityType | schema:interactivityType | text | 0-1 | Predominant mode of learning supported by the learning resource | Expected value: "Interactive" Vocabulary: Learning Registry Metadata Initiative suggested terms | ||||
| license | schema:license | URI | 0-1 | URL where the owner specifies permissions for using the resource | Expected value: "http://dp.la/info/terms/" | ||||
| educationalAlignment | schema:educationalAlignment | schema:alignmentObject | 0-n | An alignment to an established educational framework | |||||
| accessibilityFeature | schema:accessibilityFeature | text | 0-n | Content features of the resource, such as accessible media, alternatives and supported enhancements for accessibility | Expected values: "captions", "structuralNavigation", "audioControl", "videoControl" Vocabulary: Learning Registry Metadata Initiative suggested terms | ||||
| accessibilityHazard | schema:accessibilityHazard | text | 0-n | A characteristic of the described resource that is physiologically dangerous to some users. Related to WCAG 2.0 guideline 2.3 | Expected values: "noFlashingHazard", "motionSimulation", "noSoundHazard" Vocabulary: Learning Registry Metadata Initiative suggested terms | ||||
| accessibilityControl | schema:accessibilityControl | text | 0-n | Identifies input methods that are sufficient to fully control the described resource | Expected values: "fullMouseControl" Vocabulary: Learning Registry Metadata Initiative suggested terms |
*recommended
| Anchor | ||||
|---|---|---|---|---|
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Class:Source
| Label | RDF property | Expected type | Obligation | Definition | Notes |
|---|---|---|---|---|---|
@id | @id | URI | 1 | Unambiguous URI of the source | |
| @type | @type | URI | 1 | RDF type of the source | Default value: "schema:CreativeWork" Other possible values: "schema:MediaObject", "schema:AudioObject", "schema:VideoObject", "schema:ImageObject" @type can be derived from the type property |
| name | schema:name | text | 0-1* | Name or brief caption describing the source | |
| aggregation | dct:references | ore:Aggregation (RDF) URI (DB) | 1 | The DPLA aggregation representing the source | |
thumbnail | schema:thumbnailUrl | URI | 0-1* | A thumbnail representation of the source | |
| textualContent | schema:text ontowiki:Markdown | markdown | 0-1 | Narrative description, transcription, citation, or other text describing the source | |
| encodingFormat | schema:encodingFormat | text | 0-1* | The format in which the full representation of the source is encoded | Example: "pdf", "mp3", "jpg" |
| contentUrl | schema:contentUrl | URI | 0-1* | A URL pointing to a full representation of the source | The content URL may be dependent on the authorization status of the user accessing the data. For example, an authorized user may be served the URI for the full representation of the source as hosted by DPLA, while an unauthorized user may be served the value for ore:Aggregation.isShownAt. |
| citation | dct:bibliographicCitation | markdown | 0-1 | A bibliographic reference to the source | Example: "National Museum of American History, Kenneth E. Behrig Center. George Washington's Camp Chest. Digital Public Library of America. http://dp.la/primary-source-sets/sets/american-revolution/sources/8." |
| credits | dct:provenance | dct:ProvenanceStatement | 0-1 | A statement relating to the ownership of the source | Example: "Courtesy of the University of Michigan via HathiTrust" |
| set | schema:isPartOf | schema:CreativeWork | 1 | The set to which this source belongs |
*recommended
| Anchor | ||||
|---|---|---|---|---|
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Class:Subject
| Label | RDF property | Expected type | Obligation | Definition | Notes |
|---|---|---|---|---|---|
| @type | @type | URI | 1 | RDF type of the subject | Expected value: "schema:Thing" |
| name | schema:name | text | 1 | Name of the subject |
*recommended
| Anchor | ||||
|---|---|---|---|---|
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Class:TimePeriod
| Label | RDF property | Expected type | Obligation | Definition | Notes |
|---|---|---|---|---|---|
| @type | @type | URI | 1 | RDF type of the time period | Expected value: "dct:PeriodOfTime" |
| name | schema:name | text | 1 | Name of the time period |
*recommended