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Re: dwbp-ACTION-251: Work with ericstephan on creating examples of dataset usage counts in the dqv

From: Eric Stephan <ericphb@gmail.com>
Date: Wed, 23 Mar 2016 06:56:14 -0700
Message-ID: <CAMFz4jj-BmFij+AgOauOsSAdPqLLWpS0mh5u4FULRnp1KBtm3g@mail.gmail.com>
To: Riccardo Albertoni <albertoni@ge.imati.cnr.it>
Cc: Data on the Web Best Practices Working Group <public-dwbp-wg@w3.org>
Hi Riccardo,

This is great, thank you so much!  I'll discuss the options tomorrow with
Berna.

Kind regards,

Eric S

On Wed, Mar 23, 2016 at 6:49 AM, Riccardo Albertoni <
albertoni@ge.imati.cnr.it> wrote:

> Hi Eric,
> A possible way is to define a metric which counts the usage of your
> dataset. That metric is expected to be developed as a piece of software or
> a Sparql query and considers information provided via DUV, (e.g., it could
> simply count the number of distinct instances of duv:Usage associated to
> your dataset and its distributions),
>
> #let's define the  metric
>  :UsageDatasetMetric
>             a dqv:Metric ;
>             skos:definition "Checks the number of duv:Usage associated to
> a dcat:Dataset and its distributions "@en ;
>             dqv:expectedDataType xsd:integer ;
>             dqv:inDimension :popularity
>
>
> #we might define a dimension for that metric, i call the dimension
> :popularity, but the name can be changed as you need.
>         :popularity
>             a dqv:Dimension ;
>             skos:prefLabel "popularity"@en ;
>             skos:definition "popularity of a dataset defined in terms of
> times a dataset is reused"@en ;
>             dqv:inCategory :qualityAssessmentEnabledByDUV
>             .
>
> #of course, popularity is  not the only dimension DUV could  enable, among
> the other,  another  dimension could  Trustworthiness(for example, assuming
> that the more the dataset is reused by  distinct persons the more it is
> trustable, ect). So we might think to have a category
>  :qualityAssessmentEnabledByDUV  gathering all the dimensions  enabled by
> DUV.
>
>  :qualityAssessmentEnabledByDUV
>             a  dqv:Category ;
>             skos:prefLabel "QA enabled by DUV"@en ;
>             skos:definition "Category grouping quality dimensions whose
> assessment is enabled by DUV"@en
>             .
>
>
> #Then the actual quality measurement  result obtained when  applying the
> metric to  ex:timetable-001 can be represented with
>
>  :measurement1
>             a dqv:QualityMeasurement ;
>             dqv:computedOn :UsageDatasetMetric  ;
>             dqv:isMeasurementOf :popularity ;
>             dqv:value "168"^^xsd:integer
>             .
>
>
> #such a  result can be also explicitly associated to your dcat dataset
> ex:timetable-001
>       a dcat:Dataset;
>       dct:title "Bus timetable of MyCity"^^xsd:string;
>       dct:issued "2015-05-05"^^xsd:date;
>       dct:publisher ex:transport-agency-mycity ;
>       dcat:distribution ex:timetable-001-csv;
>       dqv:hasQualityMeasurement :measurement1
>       .
>
> Let me know if this example is of any use for you.  Of course, we might
> think to refine it according to your indication.
>
> Cheers,
> Riccardo
>
> On 23 March 2016 at 13:25, Eric Stephan <ericphb@gmail.com> wrote:
>
>> Hi Riccardo,
>>
>> Below is an example we could use as a starting point.  How could we show
>> usage counts?
>>
>>
>> Thanks,
>>
>> Eric S
>>
>> ex:timetable-001
>>       a dcat:Dataset;
>>       dct:title "Bus timetable of MyCity"^^xsd:string;
>>       dct:issued "2015-05-05"^^xsd:date;
>>       dct:publisher ex:transport-agency-mycity ;
>>       dcat:distribution ex:timetable-001-csv;
>>       .
>>
>>     ex:timetable-001-csv
>>       a dcat:Distribution;
>>       dct:title "CSV distribution MyCity_busTimetable
>> dataset."^^xsd:string ;
>>       dct:description "CSV distribution of the bus timetable
>>                        dataset of MyCity."^^xsd:string ;
>>       dcat:mediaType "text/csv"^^xsd:string;
>>       .
>>
>> On Mon, Mar 14, 2016 at 7:09 AM, Data on the Web Best Practices Working
>> Group Issue Tracker <sysbot+tracker@w3.org> wrote:
>>
>>> dwbp-ACTION-251: Work with ericstephan on creating examples of dataset
>>> usage counts in the dqv
>>>
>>> http://www.w3.org/2013/dwbp/track/actions/251
>>>
>>> Assigned to: Riccardo Albertoni
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>
>
>
> --
>
> ----------------------------------------------------------------------------
> 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.imati.cnr.it/>*
> http://purl.oclc.org/NET/riccardoAlbertoni
> FOAF:http://purl.oclc.org/NET/RiccardoAlbertoni/foaf
>
Received on Wednesday, 23 March 2016 13:56:54 UTC

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