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Re: AW: Data Quality Vocabulary - Expected Data types

From: Antoine Isaac <aisaac@few.vu.nl>
Date: Thu, 28 Apr 2016 18:56:10 +0200
Message-ID: <572240AA.8020306@few.vu.nl>
To: "Bailer, Werner" <werner.bailer@joanneum.at>, "Debattista, Jeremy" <Jeremy.Debattista@iais.fraunhofer.de>
CC: "public-dwbp-comments@w3.org" <public-dwbp-comments@w3.org>, "Russegger, Silvia" <silvia.russegger@joanneum.at>, "Orgel, Thomas" <Thomas.Orgel@joanneum.at>, "Höffernig, Martin" <Martin.Hoeffernig@joanneum.at>, "Ehgarter, Stephan" <Stephan.Ehgarter@joanneum.at>
Dear Werner,

Thanks a lot for the answer!
I've closed the issue accordingly.



On 19/04/16 18:17, Bailer, Werner wrote:
> Dear Antoine, all,
> you are right, I understood expectedDataType as the input types, not the type for the observation.
> For the output I agree that xsd:anySimpleType should be sufficient, as this does include xsd:list to represent e.g. vectors.
> Best regards,
> Werner
> -----Ursprüngliche Nachricht-----
> Von: Antoine Isaac [mailto:aisaac@few.vu.nl]
> Gesendet: Sonntag, 06. März 2016 22:29
> An: Bailer, Werner; Debattista, Jeremy
> Cc: public-dwbp-comments@w3.org; Russegger, Silvia; Orgel, Thomas; Höffernig, Martin; Ehgarter, Stephan
> Betreff: Re: Data Quality Vocabulary - Expected Data types
> Dear Werner,
> This time about
> https://www.w3.org/2013/dwbp/track/issues/224
> The current DQV spec for the element dqv:expectedDataType is wxsd:anySimpleType as range:
> http://w3c.github.io/dwbp/vocab-dqg.html#dqv:Metric
> In our earlier discussion Jeremy had asked:
>>> c. daq:expectedDataType
>>> This property from DAQ is defined to have range xsd:anySimpleType. While it seems useful to define the expected data type for a metric, a simple type may too narrow: in many cases a metric will be determined on a data record or a subgraph.
>> It will be taken into consideration - although I’m not sure it works well with data cube. Please can you provide us (or me) with an example where a quality metric returns a data record or sub graph?
> I think I would have to re-iterate this question. It seems that your original wording refers to case where a metric is based on data records or subgraphs as input.
> But dqv:expectedDataType is for the expected datatype for the output of the metric. Have you got examples where the output would be a record?
> (especially considering that as per our proposal for Issue 222 [1] we would keep to 'atomic/simple' metrics)
> Thanks for your feedback,
> Antoine
> [1] https://www.w3.org/2013/dwbp/track/issues/222
Received on Thursday, 28 April 2016 16:56:41 UTC

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