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2nd draft: an idea for an alternative schema.org type for artwork

This is my second draft of an idea of how to mark up artwork using Schema.org (the first draft is here). Your comments and criticisms would be gratefully received.

It is intended to replace both http://schema.org/Painting and http://schema.org/Sculpture (and http://schema.org/Photograph when it is being used to describe photographs in an artistic context rather than photojournalism, snapshots, etc.)

My desire to create a new Schema.org type for artwork came about because of my annoyance with the limited vocabulary in the currently available types (most notably, the lack of a “type” for visual artforms other than painting, sculpture, and photography, such as printmaking,  drawing, collage, assemblage, digital art, etc.).

I should state that this is just an idea of mine – it is not an accepted Schema.org type and so should not be used on a production website!

However I will soon be posting have just posted it on the public-vocabs mailing list to see if it has enough support to be considered.

Thing > CreativeWork > VisualArtwork

Property Expected Type Description
Properties from Thing
additionalType URL An additional type for the item, typically used for adding more specific types from external vocabularies in microdata syntax. This is a relationship between something and a class that the thing is in. In RDFa syntax, it is better to use the native RDFa syntax – the ‘typeof’ attribute – for multiple types. Schema.org tools may have only weaker understanding of extra types, in particular those defined externally.
description Text A short description of the item.
image URL URL of an image of the item.
name Text The name of the item.
url URL URL of the item.
Properties from CreativeWork
about Thing The subject matter of the content.
accountablePerson Person Specifies the Person that is legally accountable for the CreativeWork.
aggregateRating AggregateRating The overall rating, based on a collection of reviews or ratings, of the item.
alternativeHeadline Text A secondary title of the CreativeWork.
associatedMedia MediaObject The media objects that encode this creative work. This property is a synonym for encodings.
audience Audience The intended audience of the item, i.e. the group for whom the item was created.
audio AudioObject An embedded audio object.
author OrganizationorPerson The author of this content. Please note that author is special in that HTML 5 provides a special mechanism for indicating authorship via the rel tag. That is equivalent to this and may be used interchangeably.
award Text An award won by this person or for this creative work.
awards Text Awards won by this person or for this creative work. (legacy spelling; see singular form, award)
comment UserComments Comments, typically from users, on this CreativeWork.
contentLocation Place The location of the content.
contentRating Text Official rating of a piece of content—for example,’MPAA PG-13′.
contributor OrganizationorPerson A secondary contributor to the CreativeWork.
copyrightHolder OrganizationorPerson The party holding the legal copyright to the CreativeWork.
copyrightYear Number The year during which the claimed copyright for the CreativeWork was first asserted.
creator OrganizationorPerson The creator/author of this CreativeWork or UserComments. This is the same as the Author property for CreativeWork.
dateCreated Date The date on which the CreativeWork was created.
dateModified Date The date on which the CreativeWork was most recently modified.
datePublished Date Date of first broadcast/publication.
discussionUrl URL A link to the page containing the comments of the CreativeWork.
editor Person Specifies the Person who edited the CreativeWork.
educationalAlignment AlignmentObject An alignment to an established educational framework.
educationalUse Text The purpose of a work in the context of education; for example, ‘assignment’, ‘group work’.
encoding MediaObject A media object that encode this CreativeWork.
encodings MediaObject The media objects that encode this creative work (legacy spelling; see singular form, encoding).
genre Text Genre of the creative work
headline Text Headline of the article
inLanguage Text The language of the content. please use one of the language codes from the IETF BCP 47 standard.
interactionCount Text A count of a specific user interactions with this item—for example, 20 UserLikes, 5 UserComments, or 300 UserDownloads. The user interaction type should be one of the sub types of UserInteraction.
interactivityType Text The predominant mode of learning supported by the learning resource. Acceptable values are ‘active’, ‘expositive’, or ‘mixed’.
isBasedOnUrl URL A resource that was used in the creation of this resource. This term can be repeated for multiple sources. For example, http://example.com/great-multiplication-intro.html
isFamilyFriendly Boolean Indicates whether this content is family friendly.
keywords Text The keywords/tags used to describe this content.
learningResourceType Text The predominant type or kind characterizing the learning resource. For example, ‘presentation’, ‘handout’.
mentions Thing Indicates that the CreativeWork contains a reference to, but is not necessarily about a concept.
offers Offer An offer to sell this item—for example, an offer to sell a product, the DVD of a movie, or tickets to an event.
provider OrganizationorPerson Specifies the Person or Organization that distributed the CreativeWork.
publisher Organization The publisher of the creative work.
publishingPrinciples URL Link to page describing the editorial principles of the organization primarily responsible for the creation of the CreativeWork.
review Review A review of the item.
reviews Review Review of the item (legacy spelling; see singular form, review).
sourceOrganization Organization The Organization on whose behalf the creator was working.
text Text The textual content of this CreativeWork.
thumbnailUrl URL A thumbnail image relevant to the Thing.
timeRequired Duration Approximate or typical time it takes to work with or through this learning resource for the typical intended target audience, e.g. ‘P30M’, ‘P1H25M’.
typicalAgeRange Text The typical range of ages the content’s intendedEndUser, for example ’7-9′, ’11-’.
version Number The version of the CreativeWork embodied by a specified resource.
video VideoObject An embedded video object.
Properties from VisualArtwork
artform Text e.g. Painting, Drawing, Scupture, Print, Photograph, Assemblage, Collage, etc.
materials Text e.g. Oil, Watercolour, Linoprint, Marble, Cyanotype, Digital, Lithograph, Pencil, Mixed Media, etc.
surface Text e.g. Canvas, Paper, Wood, Board, etc.
width Distance width
height Distance height
depth Distance depth
edition Number For multiples such as prints, the number of copies in the edition

As mentioned above, this is a rough second draft. Any comments, additions, and criticisms, are much appreciated!