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