Class Definition

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1

Hi
Is there way to ensure the RDF triples adhere to a class definition? For example, if I define "Person" class having 4 data attributes Full Name, Sex, Age, Height and now I create a instance of Person - P1 as John Doe, Male, 45 and 6'2 as data attributes. I don't want someone enter a RDF triple with a random property :hairColor for John Doe. How do i stop this programmatically?

thanks

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2

Absolutely. See the docs section on data quality constraints.

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3

I learned something new today. Thanks!

4

Thank you. Is there any Sparql query that I can use to extract the Schema definition only, preferably in a visual form?

5

I have the vague idea bouncing around my brain that there used to be something like a stardog schema export command but I don't see it in there now so maybe I just dreamed it. For visualization you can use Stardog Studio or you might find Protege helpful.

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You can use the reasoning schema CLI command to get the triples which constitute the schema: reasoning schema | Stardog Documentation Latest

Stardog Studio can visualise the schema (go to Models on the left pane, then select the schema).

Best,
Pavel

7

So it wasn't a dream. I just couldn't find it.

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