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Re: Help with Data Quality example

From: Bernadette Farias Lóscio <bfl@cin.ufpe.br>
Date: Wed, 4 May 2016 18:43:08 -0300
Message-ID: <CANx1Pzxem2JiPc3msEMqMgbvE9pt_r_ushQL2QVHB5ch+-b64w@mail.gmail.com>
To: Riccardo Albertoni <riccardo.albertoni@ge.imati.cnr.it>
Cc: Antoine Isaac <aisaac@few.vu.nl>, "public-dwbp-wg@w3.org" <public-dwbp-wg@w3.org>
Hi Riccardo,

I'm sorry but I had problems using the RDFa annotations :(

Do you mind of including them again?

Thanks a lot!
Berna

2016-05-04 17:59 GMT-03:00 Riccardo Albertoni <
riccardo.albertoni@ge.imati.cnr.it>:

> Hi  Bernadette,
>
> It looks good to me.
> Just a minor remark,    in the previous version  of the human readable
> example page, I had inserted    some RDFa annotations for DQV statement
> that have disappeared in the current version.
> Actually the DQV related triples  are not distilled anymore by the RDFa
> 1.1 validator ( see [2]). Not a real problem, but I am mentioning  it since
>  I am not sure  whether  that was meant to be or  it  is an unexpected side
> effect of  latest  page changes.
>
> Cheers,
> Riccardo
>
>
> [2]
> http://www.w3.org/2012/pyRdfa/extract?uri=http%3A%2F%2Fw3c.github.io%2Fdwbp%2Fdwbp-example.html&rdfa_lite=false&vocab_expansion=false&embedded_rdf=true&validate=yes&space_preserve=true&vocab_cache_report=false&vocab_cache_bypass=false
>
> On 4 May 2016 at 20:55, Bernadette Farias Lóscio <bfl@cin.ufpe.br> wrote:
>
>> Hi Riccardo,
>>
>> Thanks a lot for your feedback! In this case, for one dimension, we can
>> use different measures for different distributions/datasets. Is that right?
>>
>> Then, the only information that could be general is the definition of the
>> dimensions. As we wont have a separate document to describe the dimensions,
>> I think we can keep the definitions together with the measures and values.
>>
>> Doing this[1], the only change is the inclusion of the data quality
>> information as part of the CSV distribution rather than as a separate
>> section. Could you please take a look and tell me if this is ok?
>>
>> Thanks!
>> Berna
>>
>> [1] http://w3c.github.io/dwbp/dwbp-example.html
>>
>>
>>
>> 2016-05-04 12:58 GMT-03:00 Riccardo Albertoni <
>> riccardo.albertoni@ge.imati.cnr.it>:
>>
>>> Dear BP Editors,
>>>
>>> Unfortunately, the values should be associated to Metrics not
>>> dimensions, as  you can have more than one metric for the same dimension,
>>>
>>>  I would  consider to change the Human readable example, as in the
>>> following
>>>
>>> a) In the section "Data Quality values", you can add the metric
>>> description, for example,
>>>
>>> -------------------------------------------------------------------------------------
>>> (Measured ??)  Dimension |   (Deployed ??)  Metric    |  value  |
>>>
>>> ----------------------------------------------------------------------------------
>>> Availability | dcat:downloadURL is available and if its value is
>>> dereferenceable| True (boolean)
>>> Completeness | Ratio between the number of objects represented in the
>>> cvs and the number of objects expected to be represented according to the
>>> declared dataset scope. |  0.5 (Double)
>>>
>>> b) in section "Quality Dimensions and Metrics", you can change the
>>>  section title in "Quality Dimensions", and  you can delete the metric
>>> column in the table. It should result in something like,
>>> -------------------------------
>>> Dimension |   Definition
>>> ---------------------------------
>>> Completeness | Refers to the degree to which all required information
>>> is present in a particular dataset.
>>> Availability | Availability of a dataset is the extent to which data
>>> (or some portion of it) is present, obtainable and ready for use.
>>>
>>>
>>> The above solution is perhaps less  appealing, but it is closer to the
>>> data quality vocabulary model.
>>> Does it work for you?
>>>
>>> Cheers,
>>> Riccardo
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>> On 4 May 2016 at 17:17, Bernadette Farias Lóscio <bfl@cin.ufpe.br>
>>> wrote:
>>>
>>>> Dear DQV editors,
>>>>
>>>> We are making the final updates on the DWBP document and we'd like to
>>>> ask your help with the human-readable version of the data quality metadata
>>>> [1].
>>>>
>>>> We made some changes on the html page with the human-readable metadata
>>>> and we changed the way that the data quality metadata is presented. Now the
>>>> values of the data quality dimensions are part of the description of the
>>>> CSV distribution. Please, take a look and tell us if this makes sense.
>>>>
>>>> We also noticed that the description of dimensions and metrics is
>>>> general and maybe could be in another page rather than in the dataset page.
>>>> Does it make sense for you or do you think its better to keep these
>>>> descriptions together with the dataset description?
>>>>
>>>> Looking forward to your feedback!
>>>>
>>>> Thanks,
>>>> BP Editors
>>>>
>>>> [1] http://w3c.github.io/dwbp/dwbp-example.html
>>>>
>>>> --
>>>> Bernadette Farias Lóscio
>>>> Centro de Informática
>>>> Universidade Federal de Pernambuco - UFPE, Brazil
>>>>
>>>> ----------------------------------------------------------------------------
>>>>
>>>> --
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>>>> clean.
>>>
>>>
>>>
>>>
>>> --
>>>
>>> ----------------------------------------------------------------------------
>>> Riccardo Albertoni
>>> Istituto per la Matematica Applicata e Tecnologie Informatiche "Enrico
>>> Magenes"
>>> Consiglio Nazionale delle Ricerche
>>> via de Marini 6 - 16149 GENOVA - ITALIA
>>> tel. +39-010-6475624 - fax +39-010-6475660
>>> e-mail: Riccardo.Albertoni@ge.imati.cnr.it
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>>>
>>> ----------------------------------------------------------------------------
>>>
>>
>>
>>
>> --
>> Bernadette Farias Lóscio
>> Centro de Informática
>> Universidade Federal de Pernambuco - UFPE, Brazil
>>
>> ----------------------------------------------------------------------------
>>
>
>
>
> --
>
> ----------------------------------------------------------------------------
> Riccardo Albertoni
> Istituto per la Matematica Applicata e Tecnologie Informatiche "Enrico
> Magenes"
> Consiglio Nazionale delle Ricerche
> via de Marini 6 - 16149 GENOVA - ITALIA
> tel. +39-010-6475624 - fax +39-010-6475660
> e-mail: Riccardo.Albertoni@ge.imati.cnr.it
> Skype: callto://riccardoalbertoni/
> LinkedIn: http://www.linkedin.com/in/riccardoalbertoni
> www: http://www.imati.cnr.it/ <http://www.ge.imati.cnr.it/Albertoni>
> http://purl.oclc.org/NET/riccardoAlbertoni
> FOAF:http://purl.oclc.org/NET/RiccardoAlbertoni/foaf
>
> ----------------------------------------------------------------------------
>



-- 
Bernadette Farias Lóscio
Centro de Informática
Universidade Federal de Pernambuco - UFPE, Brazil
----------------------------------------------------------------------------
Received on Wednesday, 4 May 2016 21:43:57 UTC

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