@prefix rdf:     <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs:    <http://www.w3.org/2000/01/rdf-schema#> .
@prefix dcat:    <http://www.w3.org/ns/dcat#> .
@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix foaf:    <http://xmlns.com/foaf/0.1/> .
@prefix xsd:     <http://www.w3.org/2001/XMLSchema#> .
@prefix skos:    <http://www.w3.org/2004/02/skos/core#> .
@prefix prov:    <http://www.w3.org/ns/prov#> .
@prefix pav:     <http://pav-ontology.github.io/pav/> .
@prefix dqv:     <http://www.w3.org/ns/dqv#> .
@prefix owl:     <http://www.w3.org/2002/07/owl#> .
@prefix :        <http://data.mycity.example.com/ns#> .

# Basic facts about the dataset stops-2015-05-05
<http://data.mycity.example.com/transport/dataset/bus/stops-2015-05-05>
  a dcat:Dataset;
  dcterms:title "Bus stops of MyCity";
  dcat:keyword "transport", "mobility" ,"bus";
  dcterms:issued "2015-05-05"^^xsd:date;
  dcat:contactPoint <http://data.mycity.example.com/transport/contact>;
  dcterms:temporal <http://reference.data.gov.uk/id/year/2015>;
  dcterms:spatial <http://www.geonames.org/3399415>;
  dcterms:publisher <http://data.mycity.example.com/transport-agency-mycity>;
  dcterms:accrualPeriodicity <http://purl.org/linked-data/sdmx/2009/code#freq-A>;
  dcat:theme :mobility;
  dcterms:language <http://id.loc.gov/vocabulary/iso639-1/en>, <http://id.loc.gov/vocabulary/iso639-1/pt>;
  dcterms:conformsTo "ISO 8601";
  dcat:distribution <http://data.mycity.example.com/transport/dataset/bus/stops-2015-05-05.csv>;
  dcat:distribution <http://data.mycity.example.com/transport/dataset/bus/stops-2015-05-05.json>;
  dcterms:creator <http://data.mycity.example.com/transport/people/john>;
  owl:versionInfo "1.0";
  pav:version "1.0".

# A mini SKOS concept scheme to cover the themes
:mobility a skos:Concept;
  skos:inScheme :themes;
  skos:prefLabel "Mobility".

:themes a skos:ConceptScheme ;
  skos:prefLabel "A set of domains to classify documents".

# Facts about the transport agency
<http://data.mycity.example.com/transport-agency-mycity> a foaf:Organization, prov:Agent;
  foaf:name "MyCity Transport Agency".

# Facts about the creator
<http://data.mycity.example.com/transport/people/john> a foaf:Person, prov:Agent;
  foaf:givenName "John";
  foaf:mbox "mailto:john@mycitytransport.org";
  prov:actedOnBehalfOf <http://data.mycity.example.com/transport-agency-mycity>.

# The CSV distribution of the bus stops dataset
<http://data.mycity.example.com/transport/dataset/bus/stops-2015-05-05.csv>
  a dcat:Distribution;
  dcterms:title "CSV distribution of stops-2015-05-05 dataset";
  dcterms:description "CSV distribution of the bus stops dataset of MyCity";
  dcterms:license <http://creativecommons.org/licenses/by-sa/3.0/>;
  dcat:mediaType "text/csv";
  dcat:downloadURL <http://data.mycity.example.com/transport/dataset/bus/stops-2015-05-05.csv>;
  dqv:hasQualityMeasurement :measure1, :measure2.

# Definition of Measures
:measure1 a dqv:QualityMeasurement;
  dqv:computedOn <http://data.mycity.example.com/transport/dataset/bus/stops-2015-05-05.csv>;
  dqv:isMeasurementOf :downloadURLAvailabilityMetric;
  dqv:value "true"^^xsd:boolean.

:measure2 a dqv:QualityMeasurement;
  dqv:computedOn <http://data.mycity.example.com/transport/dataset/bus/stops-2015-05-05.csv>;
  dqv:isMeasurementOf :csvCompletenessMetric;
  dqv:value "0.5"^^xsd:double.

# Definition of dimensions and metrics
:availability a dqv:Dimension;
  skos:prefLabel "Availability"@en;
  skos:definition "Availability of a dataset is the extent to which data (or some portion of it) is present, obtainable and ready for use."@en;
  dqv:inCategory :accessibility.

:completeness a dqv:Dimension;
  skos:prefLabel "Completeness"@en;
  skos:definition "Completeness refers to the degree to which all required information is present in a particular dataset."@en;
  dqv:inCategory :intrinsicDimensions.

:downloadURLAvailabilityMetric a dqv:Metric;
  skos:definition "It checks if dcat:downloadURL is available and if its value is dereferenceable."@en;
  dqv:inDimension :availability.

:csvCompletenessMetric a dqv:Metric;
  skos:definition "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."@en;
  dqv:inDimension :completeness.

# The JSON distribution of the bus stops dataset
<http://data.mycity.example.com/transport/dataset/bus/stops-2015-05-05.json>
  a dcat:Distribution;
  dcterms:title "JSON distribution of stops-2015-05-05 dataset";
  dcterms:description "JSON distribution of the bus stops dataset of MyCity";
  dcterms:license <http://creativecommons.org/licenses/by-sa/3.0/>;
  dcat:mediaType "application/json";
  dcat:downloadURL <http://data.mycity.example.com/transport/dataset/bus/stops-2015-05-05.json>.