@prefix dcat: <http://www.w3.org/ns/dcat#> .
@prefix dct: <http://purl.org/dc/terms/> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix prov: <http://www.w3.org/ns/prov#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix spdx: <http://spdx.org/rdf/terms#> .
@prefix vcard: <http://www.w3.org/2006/vcard/ns#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<http://data.europa.eu/nuts/code/ES511> a dct:Location .

<http://datos.gob.es/recurso/sector-publico/org/Organismo/L01080193> a foaf:Agent ;
    foaf:name "Ajuntament de Barcelona" .

<http://publications.europa.eu/resource/authority/data-theme/ECON> a skos:Concept ;
    skos:prefLabel "Economy and finance"@en .

<http://publications.europa.eu/resource/authority/data-theme/REGI> a skos:Concept ;
    skos:prefLabel "Regions and cities"@en .

<http://publications.europa.eu/resource/authority/data-theme/SOCI> a skos:Concept ;
    skos:prefLabel "Population and society"@en .

<http://publications.europa.eu/resource/authority/file-type/CSV> a dct:MediaTypeOrExtent .

<http://publications.europa.eu/resource/authority/file-type/GEOJSON> a dct:MediaTypeOrExtent .

<http://publications.europa.eu/resource/authority/file-type/MARKDOWN> a dct:MediaTypeOrExtent .

<http://publications.europa.eu/resource/authority/file-type/OWL> a dct:MediaTypeOrExtent .

<http://publications.europa.eu/resource/authority/file-type/YAML> a dct:MediaTypeOrExtent .

<http://publications.europa.eu/resource/authority/frequency/MONTHLY> a dct:Frequency .

<http://www.iana.org/assignments/media-types/application/geo+json> a dct:MediaType .

<http://www.iana.org/assignments/media-types/application/schema+json> a dct:MediaType .

<http://www.iana.org/assignments/media-types/text/csv> a dct:MediaType .

<http://www.iana.org/assignments/media-types/text/markdown> a dct:MediaType .

<http://www.iana.org/assignments/media-types/text/yaml> a dct:MediaType .

<http://www.opengis.net/doc/IS/ogcapi-features-1/1.0> a dct:Standard .

<https://modelcontextprotocol.io/specification> a dct:Standard .

<https://opendata-ajuntament.barcelona.cat/data/dataset/est-cadastre-carrecs-tipus-propietari> a dcat:Dataset ;
    dct:description "Conjunt de dades est-cadastre-carrecs-tipus-propietari de l'Ajuntament de Barcelona al portal Open Data BCN. Llicència CC BY 4.0." ;
    dct:title "Open Data BCN est-cadastre-carrecs-tipus-propietari" .

<https://opendata-ajuntament.barcelona.cat/data/dataset/est-cadastre-edificacions-any-const> a dcat:Dataset ;
    dct:description "Conjunt de dades est-cadastre-edificacions-any-const de l'Ajuntament de Barcelona al portal Open Data BCN. Llicència CC BY 4.0." ;
    dct:title "Open Data BCN est-cadastre-edificacions-any-const" .

<https://opendata-ajuntament.barcelona.cat/data/dataset/est-cadastre-edificacions-nombre-locals> a dcat:Dataset ;
    dct:description "Conjunt de dades est-cadastre-edificacions-nombre-locals de l'Ajuntament de Barcelona al portal Open Data BCN. Llicència CC BY 4.0." ;
    dct:title "Open Data BCN est-cadastre-edificacions-nombre-locals" .

<https://opendata-ajuntament.barcelona.cat/data/dataset/est-cadastre-edificacions-superficie> a dcat:Dataset ;
    dct:description "Conjunt de dades est-cadastre-edificacions-superficie de l'Ajuntament de Barcelona al portal Open Data BCN. Llicència CC BY 4.0." ;
    dct:title "Open Data BCN est-cadastre-edificacions-superficie" .

<https://opendata-ajuntament.barcelona.cat/data/dataset/est-cadastre-finques-regim-propietat> a dcat:Dataset ;
    dct:description "Conjunt de dades est-cadastre-finques-regim-propietat de l'Ajuntament de Barcelona al portal Open Data BCN. Llicència CC BY 4.0." ;
    dct:title "Open Data BCN est-cadastre-finques-regim-propietat" .

<https://opendata-ajuntament.barcelona.cat/data/dataset/est-cadastre-finques-superficie> a dcat:Dataset ;
    dct:description "Conjunt de dades est-cadastre-finques-superficie de l'Ajuntament de Barcelona al portal Open Data BCN. Llicència CC BY 4.0." ;
    dct:title "Open Data BCN est-cadastre-finques-superficie" .

<https://opendata-ajuntament.barcelona.cat/data/dataset/est-cadastre-habitatges-any-const> a dcat:Dataset ;
    dct:description "Conjunt de dades est-cadastre-habitatges-any-const de l'Ajuntament de Barcelona al portal Open Data BCN. Llicència CC BY 4.0." ;
    dct:title "Open Data BCN est-cadastre-habitatges-any-const" .

<https://opendata-ajuntament.barcelona.cat/data/dataset/est-cadastre-habitatges-superficie> a dcat:Dataset ;
    dct:description "Conjunt de dades est-cadastre-habitatges-superficie de l'Ajuntament de Barcelona al portal Open Data BCN. Llicència CC BY 4.0." ;
    dct:title "Open Data BCN est-cadastre-habitatges-superficie" .

<https://opendata-ajuntament.barcelona.cat/data/dataset/est-cadastre-habitatges-valor-cadastral> a dcat:Dataset ;
    dct:description "Conjunt de dades est-cadastre-habitatges-valor-cadastral de l'Ajuntament de Barcelona al portal Open Data BCN. Llicència CC BY 4.0." ;
    dct:title "Open Data BCN est-cadastre-habitatges-valor-cadastral" .

<https://opendata-ajuntament.barcelona.cat/data/dataset/est-cadastre-locals-sup> a dcat:Dataset ;
    dct:description "Conjunt de dades est-cadastre-locals-sup de l'Ajuntament de Barcelona al portal Open Data BCN. Llicència CC BY 4.0." ;
    dct:title "Open Data BCN est-cadastre-locals-sup" .

<https://opendata-ajuntament.barcelona.cat/data/dataset/est-cadastre-locals-valors-total-unitaris> a dcat:Dataset ;
    dct:description "Conjunt de dades est-cadastre-locals-valors-total-unitaris de l'Ajuntament de Barcelona al portal Open Data BCN. Llicència CC BY 4.0." ;
    dct:title "Open Data BCN est-cadastre-locals-valors-total-unitaris" .

<https://opendata-ajuntament.barcelona.cat/data/dataset/notaris_compravendes_trans_tip_us> a dcat:Dataset ;
    dct:description "Conjunt de dades notaris_compravendes_trans_tip_us de l'Ajuntament de Barcelona al portal Open Data BCN. Llicència CC BY 4.0." ;
    dct:title "Open Data BCN notaris_compravendes_trans_tip_us" .

<https://opendata-ajuntament.barcelona.cat/data/dataset/notaris_compravendes_trans_tip_us_sup> a dcat:Dataset ;
    dct:description "Conjunt de dades notaris_compravendes_trans_tip_us_sup de l'Ajuntament de Barcelona al portal Open Data BCN. Llicència CC BY 4.0." ;
    dct:title "Open Data BCN notaris_compravendes_trans_tip_us_sup" .

<https://opendata-ajuntament.barcelona.cat/data/dataset/pad_dom_mdbas_dones> a dcat:Dataset ;
    dct:description "Conjunt de dades pad_dom_mdbas_dones de l'Ajuntament de Barcelona al portal Open Data BCN. Llicència CC BY 4.0." ;
    dct:title "Open Data BCN pad_dom_mdbas_dones" .

<https://opendata-ajuntament.barcelona.cat/data/dataset/pad_dom_mdbas_edat-0018> a dcat:Dataset ;
    dct:description "Conjunt de dades pad_dom_mdbas_edat-0018 de l'Ajuntament de Barcelona al portal Open Data BCN. Llicència CC BY 4.0." ;
    dct:title "Open Data BCN pad_dom_mdbas_edat-0018" .

<https://opendata-ajuntament.barcelona.cat/data/dataset/pad_dom_mdbas_edat-1864> a dcat:Dataset ;
    dct:description "Conjunt de dades pad_dom_mdbas_edat-1864 de l'Ajuntament de Barcelona al portal Open Data BCN. Llicència CC BY 4.0." ;
    dct:title "Open Data BCN pad_dom_mdbas_edat-1864" .

<https://opendata-ajuntament.barcelona.cat/data/dataset/pad_dom_mdbas_edat-6599> a dcat:Dataset ;
    dct:description "Conjunt de dades pad_dom_mdbas_edat-6599 de l'Ajuntament de Barcelona al portal Open Data BCN. Llicència CC BY 4.0." ;
    dct:title "Open Data BCN pad_dom_mdbas_edat-6599" .

<https://opendata-ajuntament.barcelona.cat/data/dataset/pad_dom_mdbas_homes> a dcat:Dataset ;
    dct:description "Conjunt de dades pad_dom_mdbas_homes de l'Ajuntament de Barcelona al portal Open Data BCN. Llicència CC BY 4.0." ;
    dct:title "Open Data BCN pad_dom_mdbas_homes" .

<https://opendata-ajuntament.barcelona.cat/data/dataset/pad_dom_mdbas_n-persones> a dcat:Dataset ;
    dct:description "Conjunt de dades pad_dom_mdbas_n-persones de l'Ajuntament de Barcelona al portal Open Data BCN. Llicència CC BY 4.0." ;
    dct:title "Open Data BCN pad_dom_mdbas_n-persones" .

<https://opendata-ajuntament.barcelona.cat/data/dataset/pad_dom_mdbas_nacionalitat> a dcat:Dataset ;
    dct:description "Conjunt de dades pad_dom_mdbas_nacionalitat de l'Ajuntament de Barcelona al portal Open Data BCN. Llicència CC BY 4.0." ;
    dct:title "Open Data BCN pad_dom_mdbas_nacionalitat" .

<https://opendata-ajuntament.barcelona.cat/data/dataset/pad_dom_mdbas_tipus-domicili> a dcat:Dataset ;
    dct:description "Conjunt de dades pad_dom_mdbas_tipus-domicili de l'Ajuntament de Barcelona al portal Open Data BCN. Llicència CC BY 4.0." ;
    dct:title "Open Data BCN pad_dom_mdbas_tipus-domicili" .

<https://opendata.dev.joinedcontext.com/dataset/03a7fc0a-fe89-452d-9584-da79d46b33b0/resource/11801e02-6807-49ba-b4c9-259c951f70d3> a dcat:Distribution ;
    dct:description "The data model as Markdown; sha256 418cd9ba67bad763969c0c6681e0bb536d01be624141b883db8ac119fbd33ed0." ;
    dct:format <http://publications.europa.eu/resource/authority/file-type/MARKDOWN> ;
    dct:issued "2026-10-25T22:38:00.261613"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-10-27T04:25:49.950864"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Font: Ajuntament de Barcelona, Open Data BCN, CC BY 4.0" ] ;
    dct:title "barcelona model.md" ;
    spdx:checksum [ a spdx:Checksum ;
            spdx:algorithm spdx:checksumAlgorithm_sha256 ;
            spdx:checksumValue "418cd9ba67bad763969c0c6681e0bb536d01be624141b883db8ac119fbd33ed0"^^xsd:hexBinary ] ;
    dcat:accessURL <https://api.dev.joinedcontext.com/api/endpoint/6ovnfyyzvlk542ikz37gnc2hc44b6wle/schema/v1/model.md> ;
    dcat:byteSize "3290"^^xsd:nonNegativeInteger ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/text/markdown> .

<https://opendata.dev.joinedcontext.com/dataset/03a7fc0a-fe89-452d-9584-da79d46b33b0/resource/20018324-634c-4d29-995a-f8ee288f46e5> a dcat:Distribution ;
    dct:description """A CSV table, generated on each download from the endpoint's live data.

    curl -o file.csv 'https://api.dev.joinedcontext.com/api/endpoint/6ovnfyyzvlk542ikz37gnc2hc44b6wle/file.csv'

Open to anyone, with no sign-in.""" ;
    dct:format <http://publications.europa.eu/resource/authority/file-type/CSV> ;
    dct:issued "2026-10-25T22:38:00.261613"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-10-27T04:25:49.950302"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Font: Ajuntament de Barcelona, Open Data BCN, CC BY 4.0" ] ;
    dct:title "CSV" ;
    dcat:accessURL <https://api.dev.joinedcontext.com/api/endpoint/6ovnfyyzvlk542ikz37gnc2hc44b6wle/file.csv> ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/text/csv> .

<https://opendata.dev.joinedcontext.com/dataset/03a7fc0a-fe89-452d-9584-da79d46b33b0/resource/3620548c-cd05-40b2-8719-a30d6a94170c> a dcat:Distribution ;
    dct:description "The data model as LinkML; sha256 10fda302d055f22357a70c8c687ded59080e0716a819ace2edebab14c318aaa5." ;
    dct:format <http://publications.europa.eu/resource/authority/file-type/YAML> ;
    dct:issued "2026-10-25T22:38:00.261613"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-10-27T04:25:49.950807"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Font: Ajuntament de Barcelona, Open Data BCN, CC BY 4.0" ] ;
    dct:title "barcelona model.linkml.yaml" ;
    spdx:checksum [ a spdx:Checksum ;
            spdx:algorithm spdx:checksumAlgorithm_sha256 ;
            spdx:checksumValue "10fda302d055f22357a70c8c687ded59080e0716a819ace2edebab14c318aaa5"^^xsd:hexBinary ] ;
    dcat:accessURL <https://api.dev.joinedcontext.com/api/endpoint/6ovnfyyzvlk542ikz37gnc2hc44b6wle/schema/v1/model.linkml.yaml> ;
    dcat:byteSize "16067"^^xsd:nonNegativeInteger ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/text/yaml> .

<https://opendata.dev.joinedcontext.com/dataset/03a7fc0a-fe89-452d-9584-da79d46b33b0/resource/60884607-cd7b-4aa6-a263-f315cdd40035> a dcat:Distribution ;
    dct:description """Live updates: open one WebSocket, subscribe to the entities you want, and each change arrives as a message, with no server of your own. With websocat, then type the subscription:

    websocat --protocol ngsi-ld-ws 'wss://api.dev.joinedcontext.com/api/endpoint/6ovnfyyzvlk542ikz37gnc2hc44b6wle/ws'
    {"metadata":{"x-op":"x-subscribe","x-id":"s1"},"body":{"type":"Subscription","entities":[{"type":"KeyPerformanceIndicator"}]}}

Always live: the catalogue holds this link, never a copy. Open to anyone, with no sign-in.

The message format, the limits and examples in JavaScript and Python: https://dev.joinedcontext.com/docs/API/07-websocket""" ;
    dct:issued "2026-10-25T22:38:00.261613"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-10-27T04:25:49.950434"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Font: Ajuntament de Barcelona, Open Data BCN, CC BY 4.0" ] ;
    dct:title "Live updates over WebSocket" ;
    dcat:accessURL <https://api.dev.joinedcontext.com/api/endpoint/6ovnfyyzvlk542ikz37gnc2hc44b6wle/ws> ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/application/json> .

<https://opendata.dev.joinedcontext.com/dataset/03a7fc0a-fe89-452d-9584-da79d46b33b0/resource/647887dc-e307-4473-8fde-6d92a1c24655> a dcat:Distribution ;
    dct:description """OGC API - Features, read-only: Part 1 (Core: collections and items), Part 2 (coordinate reference systems by reference) and Part 3 (Filtering with CQL2). https://api.dev.joinedcontext.com/api/endpoint/6ovnfyyzvlk542ikz37gnc2hc44b6wle/ogc/features/conformance lists the classes this endpoint serves. In QGIS: Layer, Add Layer, Add WFS / OGC API - Features Layer, a new connection with the URL https://api.dev.joinedcontext.com/api/endpoint/6ovnfyyzvlk542ikz37gnc2hc44b6wle/ogc/features/. With curl:

    curl 'https://api.dev.joinedcontext.com/api/endpoint/6ovnfyyzvlk542ikz37gnc2hc44b6wle/ogc/features/collections'

Always live: the catalogue holds this link, never a copy. Open to anyone, with no sign-in.

The fields it filters on and example queries that answered with this dataset's data: https://api.dev.joinedcontext.com/d/6ovnfyyzvlk542ikz37gnc2hc44b6wle""" ;
    dct:format <http://publications.europa.eu/resource/authority/file-type/GEOJSON> ;
    dct:issued "2026-10-25T22:38:00.261613"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-10-27T04:25:49.950493"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Font: Ajuntament de Barcelona, Open Data BCN, CC BY 4.0" ] ;
    dct:title "OGC API - Features" ;
    dcat:accessService [ a dcat:DataService ;
            dct:conformsTo <http://www.opengis.net/doc/IS/ogcapi-features-1/1.0> ;
            dct:title "OGC API - Features" ;
            dcat:endpointURL <https://api.dev.joinedcontext.com/api/endpoint/6ovnfyyzvlk542ikz37gnc2hc44b6wle/ogc/features/> ;
            dcat:servesDataset <https://opendata.dev.joinedcontext.com/dataset/03a7fc0a-fe89-452d-9584-da79d46b33b0> ] ;
    dcat:accessURL <https://api.dev.joinedcontext.com/api/endpoint/6ovnfyyzvlk542ikz37gnc2hc44b6wle/ogc/features/> ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/application/geo+json> .

<https://opendata.dev.joinedcontext.com/dataset/03a7fc0a-fe89-452d-9584-da79d46b33b0/resource/6bad9a74-6687-4dbe-9ceb-71f8293b8655> a dcat:Distribution ;
    dct:description "The Endpoint's own DCAT-AP 3.0 description, which this dataset is published from (EP-63)." ;
    dct:format <http://publications.europa.eu/resource/authority/file-type/JSON_LD> ;
    dct:issued "2026-10-25T22:38:00.261613"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-10-27T04:25:49.950668"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Font: Ajuntament de Barcelona, Open Data BCN, CC BY 4.0" ] ;
    dct:title "DCAT-AP record" ;
    dcat:accessURL <https://api.dev.joinedcontext.com/api/endpoint/6ovnfyyzvlk542ikz37gnc2hc44b6wle/> ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/application/ld+json> .

<https://opendata.dev.joinedcontext.com/dataset/03a7fc0a-fe89-452d-9584-da79d46b33b0/resource/6f1ff116-a16c-42e8-8e8b-47d8dd36e05c> a dcat:Distribution ;
    dct:description "The data model as RDF; sha256 15079d38e89ca58de192b7f590f37869aacfd9fdce251c583b0c4f9545b52120." ;
    dct:format <http://publications.europa.eu/resource/authority/file-type/RDF_TURTLE> ;
    dct:issued "2026-10-25T22:38:00.261613"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-10-27T04:25:49.950980"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Font: Ajuntament de Barcelona, Open Data BCN, CC BY 4.0" ] ;
    dct:title "barcelona model.rdf.ttl" ;
    spdx:checksum [ a spdx:Checksum ;
            spdx:algorithm spdx:checksumAlgorithm_sha256 ;
            spdx:checksumValue "15079d38e89ca58de192b7f590f37869aacfd9fdce251c583b0c4f9545b52120"^^xsd:hexBinary ] ;
    dcat:accessURL <https://api.dev.joinedcontext.com/api/endpoint/6ovnfyyzvlk542ikz37gnc2hc44b6wle/schema/v1/model.rdf.ttl> ;
    dcat:byteSize "2621"^^xsd:nonNegativeInteger ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/text/turtle> .

<https://opendata.dev.joinedcontext.com/dataset/03a7fc0a-fe89-452d-9584-da79d46b33b0/resource/935cc847-aaca-48e2-88fa-e99b8107eff5> a dcat:Distribution ;
    dct:description """The NGSI-LD API (ETSI GS CIM 009) of this dataset: query, filter and page its entities. The first ten KeyPerformanceIndicator entities:

    curl -H 'Accept: application/ld+json' 'https://api.dev.joinedcontext.com/api/endpoint/6ovnfyyzvlk542ikz37gnc2hc44b6wle/ngsi-ld/v1/entities?type=KeyPerformanceIndicator&limit=10'

Always live: the catalogue holds this link, never a copy. Open to anyone, with no sign-in.

The fields it filters on and example queries that answered with this dataset's data: https://api.dev.joinedcontext.com/d/6ovnfyyzvlk542ikz37gnc2hc44b6wle""" ;
    dct:format <http://publications.europa.eu/resource/authority/file-type/JSON_LD> ;
    dct:issued "2026-10-25T22:38:00.261613"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-10-27T04:25:49.950152"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Font: Ajuntament de Barcelona, Open Data BCN, CC BY 4.0" ] ;
    dct:title "NGSI-LD API" ;
    dcat:accessService [ a dcat:DataService ;
            dct:conformsTo <https://www.etsi.org/deliver/etsi_gs/CIM/001_099/009/> ;
            dct:title "NGSI-LD API" ;
            dcat:endpointURL <https://api.dev.joinedcontext.com/api/endpoint/6ovnfyyzvlk542ikz37gnc2hc44b6wle/ngsi-ld/v1/> ;
            dcat:servesDataset <https://opendata.dev.joinedcontext.com/dataset/03a7fc0a-fe89-452d-9584-da79d46b33b0> ] ;
    dcat:accessURL <https://api.dev.joinedcontext.com/api/endpoint/6ovnfyyzvlk542ikz37gnc2hc44b6wle/ngsi-ld/v1/> ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/application/json> .

<https://opendata.dev.joinedcontext.com/dataset/03a7fc0a-fe89-452d-9584-da79d46b33b0/resource/9fa9562d-ca54-4f8d-bb01-da313e756565> a dcat:Distribution ;
    dct:description """OData v4, read-only: each entity type is an entity set, with $filter, $select, $orderby and $top. In Excel: Data, Get Data, From Other Sources, From OData Feed, then the URL https://api.dev.joinedcontext.com/api/endpoint/6ovnfyyzvlk542ikz37gnc2hc44b6wle/odata/v4/. In Power BI: Get data, OData feed, the same URL. With curl:

    curl 'https://api.dev.joinedcontext.com/api/endpoint/6ovnfyyzvlk542ikz37gnc2hc44b6wle/odata/v4/'

Its entity sets: https://api.dev.joinedcontext.com/api/endpoint/6ovnfyyzvlk542ikz37gnc2hc44b6wle/odata/v4/KeyPerformanceIndicator.

Always live: the catalogue holds this link, never a copy. Open to anyone, with no sign-in.

The fields it filters on and example queries that answered with this dataset's data: https://api.dev.joinedcontext.com/d/6ovnfyyzvlk542ikz37gnc2hc44b6wle""" ;
    dct:issued "2026-10-25T22:38:00.261613"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-10-27T04:25:49.950551"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Font: Ajuntament de Barcelona, Open Data BCN, CC BY 4.0" ] ;
    dct:title "OData v4" ;
    dcat:accessURL <https://api.dev.joinedcontext.com/api/endpoint/6ovnfyyzvlk542ikz37gnc2hc44b6wle/odata/v4/> ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/application/json> .

<https://opendata.dev.joinedcontext.com/dataset/03a7fc0a-fe89-452d-9584-da79d46b33b0/resource/b1216a9f-b5d0-4ac2-9dac-f10ae398cf56> a dcat:Distribution ;
    dct:description "The data model in every formalism, for every model version, each artifact with its sha256 (EP-68)." ;
    dct:format <http://publications.europa.eu/resource/authority/file-type/JSON> ;
    dct:issued "2026-10-25T22:38:00.261613"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-10-27T04:25:49.950613"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Font: Ajuntament de Barcelona, Open Data BCN, CC BY 4.0" ] ;
    dct:title "Schema artifacts" ;
    dcat:accessURL <https://api.dev.joinedcontext.com/api/endpoint/6ovnfyyzvlk542ikz37gnc2hc44b6wle/schema/index.json> ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/application/json> .

<https://opendata.dev.joinedcontext.com/dataset/03a7fc0a-fe89-452d-9584-da79d46b33b0/resource/b9d8d381-f151-4194-bde5-e182bb5efcd3> a dcat:Distribution ;
    dct:description "The data model as SHACL; sha256 df65d4a6875cb214b07d74779522db2ecc9f05a360f03f1b22ce8980cf030249." ;
    dct:format <http://publications.europa.eu/resource/authority/file-type/RDF_TURTLE> ;
    dct:issued "2026-10-25T22:38:00.261613"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-10-27T04:25:49.951097"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Font: Ajuntament de Barcelona, Open Data BCN, CC BY 4.0" ] ;
    dct:title "barcelona model.shacl.ttl" ;
    spdx:checksum [ a spdx:Checksum ;
            spdx:algorithm spdx:checksumAlgorithm_sha256 ;
            spdx:checksumValue "df65d4a6875cb214b07d74779522db2ecc9f05a360f03f1b22ce8980cf030249"^^xsd:hexBinary ] ;
    dcat:accessURL <https://api.dev.joinedcontext.com/api/endpoint/6ovnfyyzvlk542ikz37gnc2hc44b6wle/schema/v1/model.shacl.ttl> ;
    dcat:byteSize "8149"^^xsd:nonNegativeInteger ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/text/turtle> .

<https://opendata.dev.joinedcontext.com/dataset/03a7fc0a-fe89-452d-9584-da79d46b33b0/resource/c3723fa1-29aa-46aa-83c8-1641b8b86afb> a dcat:Distribution ;
    dct:description "The data model as OWL; sha256 12637b677a885747fdcdae3b79aab66b36b86c9a3808ff667de17bc5f1c44d54." ;
    dct:format <http://publications.europa.eu/resource/authority/file-type/OWL> ;
    dct:issued "2026-10-25T22:38:00.261613"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-10-27T04:25:49.950923"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Font: Ajuntament de Barcelona, Open Data BCN, CC BY 4.0" ] ;
    dct:title "barcelona model.owl.ttl" ;
    spdx:checksum [ a spdx:Checksum ;
            spdx:algorithm spdx:checksumAlgorithm_sha256 ;
            spdx:checksumValue "12637b677a885747fdcdae3b79aab66b36b86c9a3808ff667de17bc5f1c44d54"^^xsd:hexBinary ] ;
    dcat:accessURL <https://api.dev.joinedcontext.com/api/endpoint/6ovnfyyzvlk542ikz37gnc2hc44b6wle/schema/v1/model.owl.ttl> ;
    dcat:byteSize "5206"^^xsd:nonNegativeInteger ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/text/turtle> .

<https://opendata.dev.joinedcontext.com/dataset/03a7fc0a-fe89-452d-9584-da79d46b33b0/resource/c9aad71f-bcbc-4895-9db5-9ff02aa0d603> a dcat:Distribution ;
    dct:description "The data model as JSON Schema; sha256 6ae1dc9ecaa8c2f6f08760c72721a44d1ebc327ddf556f5403f5ab4fa8a359f5." ;
    dct:format <http://publications.europa.eu/resource/authority/file-type/JSON> ;
    dct:issued "2026-10-25T22:38:00.261613"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-10-27T04:25:49.951037"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Font: Ajuntament de Barcelona, Open Data BCN, CC BY 4.0" ] ;
    dct:title "barcelona model.schema.json" ;
    spdx:checksum [ a spdx:Checksum ;
            spdx:algorithm spdx:checksumAlgorithm_sha256 ;
            spdx:checksumValue "6ae1dc9ecaa8c2f6f08760c72721a44d1ebc327ddf556f5403f5ab4fa8a359f5"^^xsd:hexBinary ] ;
    dcat:accessURL <https://api.dev.joinedcontext.com/api/endpoint/6ovnfyyzvlk542ikz37gnc2hc44b6wle/schema/v1/model.schema.json> ;
    dcat:byteSize "4859"^^xsd:nonNegativeInteger ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/application/schema+json> .

<https://opendata.dev.joinedcontext.com/dataset/03a7fc0a-fe89-452d-9584-da79d46b33b0/resource/d2e94e59-9a89-4085-9bc4-88975166b698> a dcat:Distribution ;
    dct:description """For AI assistants: a Model Context Protocol server over this dataset's endpoint https://api.dev.joinedcontext.com/api/endpoint/6ovnfyyzvlk542ikz37gnc2hc44b6wle. It answers anyone, with no sign-in, what the endpoint serves the public.

Tools: `query_entities` (the rows of an entity type, with an NGSI-LD `q` filter, `attrs`, `count` and paging), `get_entity` (one entity by its URN), `describe_schema` (the data model: read it first) and `describe_access` (what you may read).

Licence: Creative Commons Attribution 4.0; the data is reused under it.

An MCP client reaches it with this configuration:

    {"mcpServers":{"statistics-housing":{"type":"http","url":"https://api.dev.joinedcontext.com/api/endpoint/6ovnfyyzvlk542ikz37gnc2hc44b6wle/mcp"}}}
""" ;
    dct:format <http://publications.europa.eu/resource/authority/file-type/JSON> ;
    dct:issued "2026-10-25T22:38:00.261613"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-10-27T04:25:49.950371"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Font: Ajuntament de Barcelona, Open Data BCN, CC BY 4.0" ] ;
    dct:title "Model Context Protocol" ;
    dcat:accessService [ a dcat:DataService ;
            dct:conformsTo <https://modelcontextprotocol.io/specification> ;
            dct:title "Model Context Protocol" ;
            dcat:endpointURL <https://api.dev.joinedcontext.com/api/endpoint/6ovnfyyzvlk542ikz37gnc2hc44b6wle/mcp> ;
            dcat:servesDataset <https://opendata.dev.joinedcontext.com/dataset/03a7fc0a-fe89-452d-9584-da79d46b33b0> ] ;
    dcat:accessURL <https://api.dev.joinedcontext.com/api/endpoint/6ovnfyyzvlk542ikz37gnc2hc44b6wle/mcp> ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/application/json> .

<https://opendata.dev.joinedcontext.com/dataset/03a7fc0a-fe89-452d-9584-da79d46b33b0/resource/f846d335-b524-4f4a-9560-4eff41e354e7> a dcat:Distribution ;
    dct:description "The data model as JSON-LD; sha256 69522e858e8313af073bb96556c6011dc30d5feaaf5dd842057b467227a6ccef." ;
    dct:format <http://publications.europa.eu/resource/authority/file-type/JSON_LD> ;
    dct:issued "2026-10-25T22:38:00.261613"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-10-27T04:25:49.950745"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Font: Ajuntament de Barcelona, Open Data BCN, CC BY 4.0" ] ;
    dct:title "barcelona context.jsonld" ;
    spdx:checksum [ a spdx:Checksum ;
            spdx:algorithm spdx:checksumAlgorithm_sha256 ;
            spdx:checksumValue "69522e858e8313af073bb96556c6011dc30d5feaaf5dd842057b467227a6ccef"^^xsd:hexBinary ] ;
    dcat:accessURL <https://api.dev.joinedcontext.com/api/endpoint/6ovnfyyzvlk542ikz37gnc2hc44b6wle/schema/v1/context.jsonld> ;
    dcat:byteSize "1661"^^xsd:nonNegativeInteger ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/application/ld+json> .

<https://www.etsi.org/deliver/etsi_gs/CIM/001_099/009/> a dct:Standard .

<https://www.w3.org/TR/json-ld11/> a dct:Standard .

<http://publications.europa.eu/resource/authority/file-type/RDF_TURTLE> a dct:MediaTypeOrExtent .

<http://www.iana.org/assignments/media-types/application/ld+json> a dct:MediaType .

<https://api.dev.joinedcontext.com/api/endpoint/6ovnfyyzvlk542ikz37gnc2hc44b6wle/> a foaf:Document .

<https://api.dev.joinedcontext.com/api/endpoint/6ovnfyyzvlk542ikz37gnc2hc44b6wle/mcp> a rdfs:Resource .

<https://api.dev.joinedcontext.com/api/endpoint/6ovnfyyzvlk542ikz37gnc2hc44b6wle/ngsi-ld/v1/> a rdfs:Resource .

<https://api.dev.joinedcontext.com/api/endpoint/6ovnfyyzvlk542ikz37gnc2hc44b6wle/ogc/features/> a rdfs:Resource .

<http://publications.europa.eu/resource/authority/file-type/JSON> a dct:MediaTypeOrExtent .

<http://publications.europa.eu/resource/authority/file-type/JSON_LD> a dct:MediaTypeOrExtent .

<http://www.iana.org/assignments/media-types/text/turtle> a dct:MediaType .

<https://opendata.dev.joinedcontext.com/dataset/03a7fc0a-fe89-452d-9584-da79d46b33b0> a dcat:Dataset ;
    dct:accrualPeriodicity <http://publications.europa.eu/resource/authority/frequency/MONTHLY> ;
    dct:conformsTo <https://www.w3.org/TR/json-ld11/> ;
    dct:description "Domicilis per nombre de persones i per estructura segons el Padró; habitatges del cadastre per superfície i any de construcció i finques per règim de propietat a 1 de gener; compravendes d'immobles i la seva superfície per tipus d'ús segons els registres notarials de cada mes. Per barri, districte i ciutat. Un KeyPerformanceIndicator dels Smart Data Models per indicador i àrea. Font: Ajuntament de Barcelona, Open Data BCN, CC BY 4.0." ;
    dct:identifier "6ovnfyyzvlk542ikz37gnc2hc44b6wle" ;
    dct:issued "2026-10-25T22:38:00.261613"^^xsd:dateTime ;
    dct:modified "2026-10-27T04:25:49.920816"^^xsd:dateTime ;
    dct:publisher <http://datos.gob.es/recurso/sector-publico/org/Organismo/L01080193> ;
    dct:source <https://opendata-ajuntament.barcelona.cat/data/dataset/est-cadastre-carrecs-tipus-propietari>,
        <https://opendata-ajuntament.barcelona.cat/data/dataset/est-cadastre-edificacions-any-const>,
        <https://opendata-ajuntament.barcelona.cat/data/dataset/est-cadastre-edificacions-nombre-locals>,
        <https://opendata-ajuntament.barcelona.cat/data/dataset/est-cadastre-edificacions-superficie>,
        <https://opendata-ajuntament.barcelona.cat/data/dataset/est-cadastre-finques-regim-propietat>,
        <https://opendata-ajuntament.barcelona.cat/data/dataset/est-cadastre-finques-superficie>,
        <https://opendata-ajuntament.barcelona.cat/data/dataset/est-cadastre-habitatges-any-const>,
        <https://opendata-ajuntament.barcelona.cat/data/dataset/est-cadastre-habitatges-superficie>,
        <https://opendata-ajuntament.barcelona.cat/data/dataset/est-cadastre-habitatges-valor-cadastral>,
        <https://opendata-ajuntament.barcelona.cat/data/dataset/est-cadastre-locals-sup>,
        <https://opendata-ajuntament.barcelona.cat/data/dataset/est-cadastre-locals-valors-total-unitaris>,
        <https://opendata-ajuntament.barcelona.cat/data/dataset/notaris_compravendes_trans_tip_us>,
        <https://opendata-ajuntament.barcelona.cat/data/dataset/notaris_compravendes_trans_tip_us_sup>,
        <https://opendata-ajuntament.barcelona.cat/data/dataset/pad_dom_mdbas_dones>,
        <https://opendata-ajuntament.barcelona.cat/data/dataset/pad_dom_mdbas_edat-0018>,
        <https://opendata-ajuntament.barcelona.cat/data/dataset/pad_dom_mdbas_edat-1864>,
        <https://opendata-ajuntament.barcelona.cat/data/dataset/pad_dom_mdbas_edat-6599>,
        <https://opendata-ajuntament.barcelona.cat/data/dataset/pad_dom_mdbas_homes>,
        <https://opendata-ajuntament.barcelona.cat/data/dataset/pad_dom_mdbas_n-persones>,
        <https://opendata-ajuntament.barcelona.cat/data/dataset/pad_dom_mdbas_nacionalitat>,
        <https://opendata-ajuntament.barcelona.cat/data/dataset/pad_dom_mdbas_tipus-domicili> ;
    dct:spatial <http://data.europa.eu/nuts/code/ES511> ;
    dct:title "Habitatge i llars — estadístiques de Barcelona" ;
    dcat:contactPoint [ a vcard:Kind,
                vcard:Organization ;
            vcard:fn "joinedcontext platform" ;
            vcard:hasEmail <mailto:hello@joinedcontext.com> ] ;
    dcat:distribution <https://opendata.dev.joinedcontext.com/dataset/03a7fc0a-fe89-452d-9584-da79d46b33b0/resource/11801e02-6807-49ba-b4c9-259c951f70d3>,
        <https://opendata.dev.joinedcontext.com/dataset/03a7fc0a-fe89-452d-9584-da79d46b33b0/resource/20018324-634c-4d29-995a-f8ee288f46e5>,
        <https://opendata.dev.joinedcontext.com/dataset/03a7fc0a-fe89-452d-9584-da79d46b33b0/resource/3620548c-cd05-40b2-8719-a30d6a94170c>,
        <https://opendata.dev.joinedcontext.com/dataset/03a7fc0a-fe89-452d-9584-da79d46b33b0/resource/60884607-cd7b-4aa6-a263-f315cdd40035>,
        <https://opendata.dev.joinedcontext.com/dataset/03a7fc0a-fe89-452d-9584-da79d46b33b0/resource/647887dc-e307-4473-8fde-6d92a1c24655>,
        <https://opendata.dev.joinedcontext.com/dataset/03a7fc0a-fe89-452d-9584-da79d46b33b0/resource/6bad9a74-6687-4dbe-9ceb-71f8293b8655>,
        <https://opendata.dev.joinedcontext.com/dataset/03a7fc0a-fe89-452d-9584-da79d46b33b0/resource/6f1ff116-a16c-42e8-8e8b-47d8dd36e05c>,
        <https://opendata.dev.joinedcontext.com/dataset/03a7fc0a-fe89-452d-9584-da79d46b33b0/resource/935cc847-aaca-48e2-88fa-e99b8107eff5>,
        <https://opendata.dev.joinedcontext.com/dataset/03a7fc0a-fe89-452d-9584-da79d46b33b0/resource/9fa9562d-ca54-4f8d-bb01-da313e756565>,
        <https://opendata.dev.joinedcontext.com/dataset/03a7fc0a-fe89-452d-9584-da79d46b33b0/resource/b1216a9f-b5d0-4ac2-9dac-f10ae398cf56>,
        <https://opendata.dev.joinedcontext.com/dataset/03a7fc0a-fe89-452d-9584-da79d46b33b0/resource/b9d8d381-f151-4194-bde5-e182bb5efcd3>,
        <https://opendata.dev.joinedcontext.com/dataset/03a7fc0a-fe89-452d-9584-da79d46b33b0/resource/c3723fa1-29aa-46aa-83c8-1641b8b86afb>,
        <https://opendata.dev.joinedcontext.com/dataset/03a7fc0a-fe89-452d-9584-da79d46b33b0/resource/c9aad71f-bcbc-4895-9db5-9ff02aa0d603>,
        <https://opendata.dev.joinedcontext.com/dataset/03a7fc0a-fe89-452d-9584-da79d46b33b0/resource/d2e94e59-9a89-4085-9bc4-88975166b698>,
        <https://opendata.dev.joinedcontext.com/dataset/03a7fc0a-fe89-452d-9584-da79d46b33b0/resource/f846d335-b524-4f4a-9560-4eff41e354e7> ;
    dcat:keyword "cadastre",
        "catastro",
        "compravendes",
        "compraventas",
        "estadística",
        "habitatge",
        "hogares",
        "households",
        "housing",
        "llars",
        "property sales",
        "statistics",
        "vivienda" ;
    dcat:landingPage <https://api.dev.joinedcontext.com/api/endpoint/6ovnfyyzvlk542ikz37gnc2hc44b6wle/> ;
    dcat:theme <http://publications.europa.eu/resource/authority/data-theme/ECON>,
        <http://publications.europa.eu/resource/authority/data-theme/REGI>,
        <http://publications.europa.eu/resource/authority/data-theme/SOCI> ;
    prov:wasGeneratedBy [ a prov:Activity ;
            rdfs:label "pipeline statistics" ] .

<http://www.iana.org/assignments/media-types/application/json> a dct:MediaType .

spdx:checksumAlgorithm_sha256 a spdx:ChecksumAlgorithm .

<http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> a dct:LicenseDocument .