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Re: UC10

From: Simon Spero <sesuncedu@gmail.com>
Date: Tue, 2 Aug 2016 14:27:53 -0400
Message-ID: <CADE8KM4=kvgCgQntvoZHrHWsT+WY4G80ZNDFx55sLvwZN9HVKg@mail.gmail.com>
To: Vladimir Alexiev <vladimir.alexiev@ontotext.com>
Cc: public-rdf-shapes@w3.org
It does seem puzzling.

if an IncorporatedCompany (IC) can have no values for
hasControllingInterestParty (hCIP) , but if it has any values for that
property, at least one such value must be a VotingShareholder (VS) , the
usual way of expressing this choice would be with a disjunction:

Class: IC
    SubClassOf: hCIP exactly 0 or
                          hCIP some VS


On Aug 2, 2016 1:43 PM, "Vladimir Alexiev" <vladimir.alexiev@ontotext.com>

> Several comments about
> http://w3c.github.io/data-shapes/data-shapes-ucr/#uc10-cardinality-0:
> - the code Example should mention it's in OWL Manchester notation
> - second bullet "at least one of them should be known to be a
> VotingShareholder":
>   maybe I don't understand OWL qualified cardinality, but doesn't "min 0"
> mean there can be 0 VotingShareholders?
> - Summary: I don't understand how any of the 2 sentences follow from the
> example.
> 1. "Requires the possibility to select focus nodes based on specific
> conditions"
>   Just doesn't seem to have a connection.
> 2. "Requires the possibility to specify default values."
>   I guess a default VotingShareholder (if there possibly can be such a
> thing) could fulfill a "min 1" cardinality, bu t
Received on Tuesday, 2 August 2016 18:35:34 UTC

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