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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. 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, Place, Set, Source, Subject, TimePeriod

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Class:AlignmentObject

DB type

Label	RDF property	property		Expected type	Obligation	Definition	Notes
@type	@type	N/A	URI	1	RDF type of the alignment object	Expected value: "schema:AlignmentObject"
alignmentType	schema:alignmentType	N/A	text	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:targetName	N/A	text	0-1*	The name of a node in an established educational framework.	Expected value: "Common Core State Standard"
targetUrl	schema:targetUrlN/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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Anchor

	Author
	Author

Class:Author

DB type1

Label	RDF property	property		Expected type	Obligation	Definition	Notes	id	N/A	attribute	text	Unique id of the author
@type	@typeN/A	URI	1	RDF type of the author	Expected value: "schema:Person"
name	schema:nameattribute	text	1	Name of the author
affiliation	schema:affiliationattribute	Class:Organization schema:Organization	0-1	Organizational affiliation of the author

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Anchor

	Guide
	Guide

Class:Guide

DB type

Label	RDF property	property		Expected type	Obligation	Definition	Notes
id @id	N/A	attribute	text	1	Unique id of the teaching guide		@id	@id	N/A	URI	@id	URI	1	Unambiguous URI of the teaching guide
@type	@type	N/A	URI	1	RDF type of the guide	Expected value: "schema:CreativeWork"
name	schema:nameattribute	text	0-1*	Name of the guide
text	schema:text ontowiki:Markdown attribute	markdown	0-1	Textual content of the guide, such as questions and activity
set	schema:isPartOfrelationship	Class:Set schema:CreativeWork	1	The primary source set to which this guide belongs
author	scheme:authorrelationship	Class:A uthor schema:Person	0-n	The author of this guide

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Class:Language

Label

RDF property

DB property type

Expected type

Obligation

Definition

Notes

@type

N/A

URI

1

RDF type of the language

Expected value: "schema:Language"

@id

@idN/A

URI

0-1

RDF id 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:nameN/A

text

0-1

Name of the language

Expected value: "English"

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Class:Organization

Label	RDF property	DB property type	Expected type	Obligation	Definition	Notes
id	N/A	attribute	text	1	Unique id of the organization
@type	@type	N/A	@type	@type	URI	1	RDF type of the organization	Expected value: "schema:Organization"
name	schema:nameattribute	text	1	Name of the organization

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Class:Place

DB property type

Label	RDF property		Expected type	Obligation	Definition	Notes
@type	@typeN/A	URI	1	RDF type of the place	Expected value: "schema:Place"
name	schema:nameN/A	text	0-1	Name of the time place

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Class:Set

N/Aattributeattributeattributeattribute

Label	RDF property	DB property type	Expected type	Obligation	Definition	Notes
id @id	N/A	attribute	text@id	URI	1	Unique id Unambiguous URI of the set
slug	N/A	attribute	text	0-1*	Human-readable slug to be used in the construction of a URL for the set
published	N/A	attribute	boolean	1	Whether or not the set is intended for live publication on the DPLA website.	If true, set will be accessible to all users. If false, set will only be accessible to authorized users. Default value: false
@id	@id	N/A	URI	1	Unambiguous URI of the set
@type	@type	@type	@type	URI	1	RDF type of the set	Expected value: "schema:CreativeWork"
name	schema:name		text	0-1*	Name of the set
image	schema:image	attribute	URI	0-1*	Large version of image representing set
thumbnail	schema:thumnailUrl		URI	0-1*	Small version of image representing set
description	schema:description	attribute	text	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
text	schema:text ontowiki:Markdown attribute	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 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 Set:text and Set:resources may be concatenated to form a single schema:text field
source	schema:hasPart	relationship	Class:Source schema:CreativeWork	0-n*	Sources in the set
guide	schema:hasPartrelationship	Class:Guide schema:CreativeWork	0-n*	Teaching guide associated with the set
subject	schema:about	relationship	Class:Subject schema:Thing	0-n*	Educational subject of the set
timePeriod	dct:temporalrelationship	Class:TimePeriod dct:PeriodOfTime	0-n*	Temporal subject of the set
author	schema:authorrelationship	Class:Author schema:Person	0-n*	Author of the set
publisher	schema:publisherN/A	Class:Organization schema:Organization	0-1	Publisher of the set	The publisher for all set's is DPLA.
language	schema:inLanguage	N/A	Class:Language schema:Language	0-n	Primary language of the set
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:learningResourceTypeN/A	text	0-1	Predominant type of kind characterizing the learning resource	Expected value: "Source Set"
interactivityType	schema:interactivityTypeN/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:educationalAlignmentN/AeducationalAlignment	schema:alignmentObject	0-n	An alignment to an established educational framework
accessibilityFeature	schema:accessibilityFeatureN/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

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Anchor

	Source
	Source

Class:Source

DB type

Acceptable values: "image", "audio", "video", "document"

This value will be used to determine how to embed the object in the HTML page.

Label	RDF property	property		Expected type	Obligation	Definition	Notes
id	N/A	attribute	text	1	Unique id of the source
@id	@id	N/A	URI	1	Unambiguous URI of the source
type	N/A	attribute	text	1	Media type of the source		Notes
@id	@id	URI	1	Unambiguous URI of the source
@type	@type	N/A	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:nameattribute	test	0-1*	Name or brief caption describing the source
aggregation	dct:references	attribute	ore:Aggregation (RDF) URI (DB)	1	The DPLA aggregation representing the source
thumbnail	schema:thumbnailUrlattribute	URI	0-1*	A thumbnail representation of the source
text	schema:text ontowiki:Markdown attribute	markdown	0-1	Narrative description, transcription, citation, or other text describing the source
encodingFormat	schema:encodingFormatattribute	text	0-1*	The format in which the full representation of the source is encoded	Example: "pdf", "mp3", "jpg"
contentUrl	schema:contentUrlattribute	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.
set	schema:isPartOf	relationship	Class:Set schema:CreativeWork	1	The set to which this source belongs

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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	@typeN/A	URI	1	RDF type of the subject	Expected value: "schema:Thing"
name	schema:name	attribute	text	1	Name of the subject
filter	N/A	attribute	boolean	1	If true, the subject is intended for use as a filter in the DPLA web interface	Default: false
name	schema:name	text	1	Name of the subject

*recommended

Anchor

	TimePeriod
	TimePeriod

Class:TimePeriod

DB typeUnique id of the time period

Label	RDF property	property		Expected type	Obligation	Definition	Notes	id	N/A	attribute	text	1
@type	@type	N/A	URI	1	RDF type of the time period	Expected value: "dct:PeriodOfTime"
name	schema:nameattribute	text	1	Name of the time period

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Versions Compared

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Key

How to read this document

Namespaces

Classes

Class:AlignmentObject

Class:Author

Class:Guide

Class:Language

Class:Organization

Class:Place

Class:Set

Class:Source

Class:Subject

Class:TimePeriod