Specifying a typed property as a text value (shorthand)

[Tony McCreath]

The MusicGroup example contains the following line:

"interactionType": "https://schema.org/ListenAction", 

interactionType should be any type of Action. So I take this syntax to mean that you can short hand the following by the above:

"interactionType": {"@type": "https://schema.org/ListenAction"},

So would this also be valid?:

"interactionType": "ListenAction",   

Are there rules on when this shorthand can be used. e.g. What if a Text value is also allowed? 

 

[Richard Wallis]

Hi Tony,

The rules that apply here are the JSON-LD syntax rules and how the context is interpreted.

In simple terms, the case you reference:

"interactionType": "ListenAction",

would be valid because the following is contained within the schema.org context document (human readable version:https://schema.org/docs/jsonldcontext.json.txt ):

"ListenAction": {"@id": "schema:ListenAction"},

A json-ld processor  would interpret the "ListenAction" string  as representing the Schema.org type schema:ListenAction the full URI for which is https://schema.org/ListenAction

~Richard.

Richard Wallis

Founder, Data Liberate

http://dataliberate.com

Linkedin: http://www.linkedin.com/in/richardwallis

Twitter: @rjw

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[Dan Brickley]

Isn't the issue here that interactionType expects a value that is an instance of Action (directly or via its subtypes), but is instead (in the example at https://schema.org/MusicGroup#eg-0009) being given the identifier for a class that is a subtype of Action?

(The question of whether and when enumerated values can be shorthand abbreviated to a non-URL form seems different)

Dan

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