@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/SK010> a dct:Location .

<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/NEVER> 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://data.bratislava.sk/datasets/899203befc3f4515a8a10703a71a7c11> a dcat:Dataset ;
    dct:description "Dataset Hlavného mesta SR Bratislava na portáli otvorených dát data.bratislava.sk: Počet bytov podľa počtu obytných miestností v základných sídelných jednotkách. Licencia CC BY 4.0." ;
    dct:title "Počet bytov podľa počtu obytných miestností v základných sídelných jednotkách" .

<https://data.gov.sk/id/legal-subject/00603481> a foaf:Agent ;
    foaf:name "Hlavné mesto SR Bratislava" .

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

<https://opendata.dev.joinedcontext.com/dataset/de5b363d-fde1-421f-af1d-8f50019b4c1c/resource/0b32ade6-6fc6-4236-9d53-f32c7995ee74> a dcat:Distribution ;
    dct:description "The data model as JSON Schema; sha256 1d315a225dec2a96b73107ecb7a30ec4f47b0c21b2a2f4edb2cb5b402de0b6d4." ;
    dct:format <http://publications.europa.eu/resource/authority/file-type/JSON> ;
    dct:issued "2026-10-25T22:45:42.920414"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-10-26T13:36:23.002181"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Zdroj: Hlavné mesto SR Bratislava, data.bratislava.sk, CC BY 4.0" ] ;
    dct:title "bratislava model.schema.json" ;
    spdx:checksum [ a spdx:Checksum ;
            spdx:algorithm spdx:checksumAlgorithm_sha256 ;
            spdx:checksumValue "1d315a225dec2a96b73107ecb7a30ec4f47b0c21b2a2f4edb2cb5b402de0b6d4"^^xsd:hexBinary ] ;
    dcat:accessURL <https://api.dev.joinedcontext.com/api/endpoint/oiss6kfbsgjgslbyvvshvv2lqr4u4ssf/schema/v1/model.schema.json> ;
    dcat:byteSize "3232"^^xsd:nonNegativeInteger ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/application/schema+json> .

<https://opendata.dev.joinedcontext.com/dataset/de5b363d-fde1-421f-af1d-8f50019b4c1c/resource/36fa24a4-527a-4a8f-a183-368dc8b51e92> a dcat:Distribution ;
    dct:description "The data model as RDF; sha256 1a9e45dc47ce272a9a9219c429a4a1c7751f65fd33c273a17d4ab4c7730a43bc." ;
    dct:format <http://publications.europa.eu/resource/authority/file-type/RDF_TURTLE> ;
    dct:issued "2026-10-25T22:45:42.920414"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-10-26T13:36:23.002117"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Zdroj: Hlavné mesto SR Bratislava, data.bratislava.sk, CC BY 4.0" ] ;
    dct:title "bratislava model.rdf.ttl" ;
    spdx:checksum [ a spdx:Checksum ;
            spdx:algorithm spdx:checksumAlgorithm_sha256 ;
            spdx:checksumValue "1a9e45dc47ce272a9a9219c429a4a1c7751f65fd33c273a17d4ab4c7730a43bc"^^xsd:hexBinary ] ;
    dcat:accessURL <https://api.dev.joinedcontext.com/api/endpoint/oiss6kfbsgjgslbyvvshvv2lqr4u4ssf/schema/v1/model.rdf.ttl> ;
    dcat:byteSize "1945"^^xsd:nonNegativeInteger ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/text/turtle> .

<https://opendata.dev.joinedcontext.com/dataset/de5b363d-fde1-421f-af1d-8f50019b4c1c/resource/4c711fbd-f761-488f-b85c-6cc5de27a116> 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/oiss6kfbsgjgslbyvvshvv2lqr4u4ssf. 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":{"bratislava-pocet-bytov-podla-poctu-miestnosti-zsj":{"type":"http","url":"https://api.dev.joinedcontext.com/api/endpoint/oiss6kfbsgjgslbyvvshvv2lqr4u4ssf/mcp"}}}
""" ;
    dct:format <http://publications.europa.eu/resource/authority/file-type/JSON> ;
    dct:issued "2026-10-25T22:45:42.920414"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-10-26T13:36:23.001138"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Zdroj: Hlavné mesto SR Bratislava, data.bratislava.sk, 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/oiss6kfbsgjgslbyvvshvv2lqr4u4ssf/mcp> ;
            dcat:servesDataset <https://opendata.dev.joinedcontext.com/dataset/de5b363d-fde1-421f-af1d-8f50019b4c1c> ] ;
    dcat:accessURL <https://api.dev.joinedcontext.com/api/endpoint/oiss6kfbsgjgslbyvvshvv2lqr4u4ssf/mcp> ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/application/json> .

<https://opendata.dev.joinedcontext.com/dataset/de5b363d-fde1-421f-af1d-8f50019b4c1c/resource/526be3ab-77ce-4330-942e-70ae04c6a35d> a dcat:Distribution ;
    dct:description "The data model as Markdown; sha256 275394e9e8be836bbc8f5c1a2233727e4c1fb1daef83c7b737761743e103c0b7." ;
    dct:format <http://publications.europa.eu/resource/authority/file-type/MARKDOWN> ;
    dct:issued "2026-10-25T22:45:42.920414"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-10-26T13:36:23.001969"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Zdroj: Hlavné mesto SR Bratislava, data.bratislava.sk, CC BY 4.0" ] ;
    dct:title "bratislava model.md" ;
    spdx:checksum [ a spdx:Checksum ;
            spdx:algorithm spdx:checksumAlgorithm_sha256 ;
            spdx:checksumValue "275394e9e8be836bbc8f5c1a2233727e4c1fb1daef83c7b737761743e103c0b7"^^xsd:hexBinary ] ;
    dcat:accessURL <https://api.dev.joinedcontext.com/api/endpoint/oiss6kfbsgjgslbyvvshvv2lqr4u4ssf/schema/v1/model.md> ;
    dcat:byteSize "1981"^^xsd:nonNegativeInteger ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/text/markdown> .

<https://opendata.dev.joinedcontext.com/dataset/de5b363d-fde1-421f-af1d-8f50019b4c1c/resource/54904650-f49c-4181-9241-c1b6500cec4f> 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/oiss6kfbsgjgslbyvvshvv2lqr4u4ssf/odata/v4/. In Power BI: Get data, OData feed, the same URL. With curl:

    curl 'https://api.dev.joinedcontext.com/api/endpoint/oiss6kfbsgjgslbyvvshvv2lqr4u4ssf/odata/v4/'

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/oiss6kfbsgjgslbyvvshvv2lqr4u4ssf""" ;
    dct:issued "2026-10-25T22:45:42.920414"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-10-26T13:36:23.001637"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Zdroj: Hlavné mesto SR Bratislava, data.bratislava.sk, CC BY 4.0" ] ;
    dct:title "OData v4" ;
    dcat:accessURL <https://api.dev.joinedcontext.com/api/endpoint/oiss6kfbsgjgslbyvvshvv2lqr4u4ssf/odata/v4/> ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/application/json> .

<https://opendata.dev.joinedcontext.com/dataset/de5b363d-fde1-421f-af1d-8f50019b4c1c/resource/550d2617-fb08-4131-8532-e6247645d3aa> 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 "2026-10-25T22:45:42.920414"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-10-26T13:36:23.001702"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Zdroj: Hlavné mesto SR Bratislava, data.bratislava.sk, CC BY 4.0" ] ;
    dct:title "Schema artifacts" ;
    dcat:accessURL <https://api.dev.joinedcontext.com/api/endpoint/oiss6kfbsgjgslbyvvshvv2lqr4u4ssf/schema/index.json> ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/application/json> .

<https://opendata.dev.joinedcontext.com/dataset/de5b363d-fde1-421f-af1d-8f50019b4c1c/resource/7617ac49-a22e-4669-8fbc-e4e280a9d54b> a dcat:Distribution ;
    dct:description "The data model as OWL; sha256 0d2104a71918cb14bea19365b551cf597804fb3b7e475c3c4b51224366cf0465." ;
    dct:format <http://publications.europa.eu/resource/authority/file-type/OWL> ;
    dct:issued "2026-10-25T22:45:42.920414"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-10-26T13:36:23.002036"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Zdroj: Hlavné mesto SR Bratislava, data.bratislava.sk, CC BY 4.0" ] ;
    dct:title "bratislava model.owl.ttl" ;
    spdx:checksum [ a spdx:Checksum ;
            spdx:algorithm spdx:checksumAlgorithm_sha256 ;
            spdx:checksumValue "0d2104a71918cb14bea19365b551cf597804fb3b7e475c3c4b51224366cf0465"^^xsd:hexBinary ] ;
    dcat:accessURL <https://api.dev.joinedcontext.com/api/endpoint/oiss6kfbsgjgslbyvvshvv2lqr4u4ssf/schema/v1/model.owl.ttl> ;
    dcat:byteSize "3657"^^xsd:nonNegativeInteger ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/text/turtle> .

<https://opendata.dev.joinedcontext.com/dataset/de5b363d-fde1-421f-af1d-8f50019b4c1c/resource/82f19c60-ee4a-4333-a6fc-6f35b3a4d285> a dcat:Distribution ;
    dct:description "The data model as LinkML; sha256 935af7eca0c6a0fb40c9cd9af5ff859d1569662fe31d9d45a26c700fae6e72e1." ;
    dct:format <http://publications.europa.eu/resource/authority/file-type/YAML> ;
    dct:issued "2026-10-25T22:45:42.920414"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-10-26T13:36:23.001904"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Zdroj: Hlavné mesto SR Bratislava, data.bratislava.sk, CC BY 4.0" ] ;
    dct:title "bratislava model.linkml.yaml" ;
    spdx:checksum [ a spdx:Checksum ;
            spdx:algorithm spdx:checksumAlgorithm_sha256 ;
            spdx:checksumValue "935af7eca0c6a0fb40c9cd9af5ff859d1569662fe31d9d45a26c700fae6e72e1"^^xsd:hexBinary ] ;
    dcat:accessURL <https://api.dev.joinedcontext.com/api/endpoint/oiss6kfbsgjgslbyvvshvv2lqr4u4ssf/schema/v1/model.linkml.yaml> ;
    dcat:byteSize "8609"^^xsd:nonNegativeInteger ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/text/yaml> .

<https://opendata.dev.joinedcontext.com/dataset/de5b363d-fde1-421f-af1d-8f50019b4c1c/resource/9491ae34-3168-4aeb-ac66-6e2e914e5f26> 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/oiss6kfbsgjgslbyvvshvv2lqr4u4ssf/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/oiss6kfbsgjgslbyvvshvv2lqr4u4ssf/ogc/features/. With curl:

    curl 'https://api.dev.joinedcontext.com/api/endpoint/oiss6kfbsgjgslbyvvshvv2lqr4u4ssf/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/oiss6kfbsgjgslbyvvshvv2lqr4u4ssf""" ;
    dct:format <http://publications.europa.eu/resource/authority/file-type/GEOJSON> ;
    dct:issued "2026-10-25T22:45:42.920414"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-10-26T13:36:23.001554"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Zdroj: Hlavné mesto SR Bratislava, data.bratislava.sk, 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/oiss6kfbsgjgslbyvvshvv2lqr4u4ssf/ogc/features/> ;
            dcat:servesDataset <https://opendata.dev.joinedcontext.com/dataset/de5b363d-fde1-421f-af1d-8f50019b4c1c> ] ;
    dcat:accessURL <https://api.dev.joinedcontext.com/api/endpoint/oiss6kfbsgjgslbyvvshvv2lqr4u4ssf/ogc/features/> ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/application/geo+json> .

<https://opendata.dev.joinedcontext.com/dataset/de5b363d-fde1-421f-af1d-8f50019b4c1c/resource/a3115f5d-5036-4ee9-a4ed-1635fe78c2e2> a dcat:Distribution ;
    dct:description "The data model as JSON-LD; sha256 05c97eca826b182984c01f57c7e670d84d927535d8d5ab3d0dbbc88817d5b005." ;
    dct:format <http://publications.europa.eu/resource/authority/file-type/JSON_LD> ;
    dct:issued "2026-10-25T22:45:42.920414"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-10-26T13:36:23.001826"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Zdroj: Hlavné mesto SR Bratislava, data.bratislava.sk, CC BY 4.0" ] ;
    dct:title "bratislava context.jsonld" ;
    spdx:checksum [ a spdx:Checksum ;
            spdx:algorithm spdx:checksumAlgorithm_sha256 ;
            spdx:checksumValue "05c97eca826b182984c01f57c7e670d84d927535d8d5ab3d0dbbc88817d5b005"^^xsd:hexBinary ] ;
    dcat:accessURL <https://api.dev.joinedcontext.com/api/endpoint/oiss6kfbsgjgslbyvvshvv2lqr4u4ssf/schema/v1/context.jsonld> ;
    dcat:byteSize "1207"^^xsd:nonNegativeInteger ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/application/ld+json> .

<https://opendata.dev.joinedcontext.com/dataset/de5b363d-fde1-421f-af1d-8f50019b4c1c/resource/dab50e05-04e4-47ad-a43a-1c82fd6963dc> 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 "2026-10-25T22:45:42.920414"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-10-26T13:36:23.001762"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Zdroj: Hlavné mesto SR Bratislava, data.bratislava.sk, CC BY 4.0" ] ;
    dct:title "DCAT-AP record" ;
    dcat:accessURL <https://api.dev.joinedcontext.com/api/endpoint/oiss6kfbsgjgslbyvvshvv2lqr4u4ssf/> ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/application/ld+json> .

<https://opendata.dev.joinedcontext.com/dataset/de5b363d-fde1-421f-af1d-8f50019b4c1c/resource/de4c797f-ed88-476e-b31a-d67b7b2bf897> a dcat:Distribution ;
    dct:description "The data model as SHACL; sha256 d000ee288b3915cc6605258f6543f004e6ead8acb3d31367d5e762ebc5b767df." ;
    dct:format <http://publications.europa.eu/resource/authority/file-type/RDF_TURTLE> ;
    dct:issued "2026-10-25T22:45:42.920414"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-10-26T13:36:23.002267"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Zdroj: Hlavné mesto SR Bratislava, data.bratislava.sk, CC BY 4.0" ] ;
    dct:title "bratislava model.shacl.ttl" ;
    spdx:checksum [ a spdx:Checksum ;
            spdx:algorithm spdx:checksumAlgorithm_sha256 ;
            spdx:checksumValue "d000ee288b3915cc6605258f6543f004e6ead8acb3d31367d5e762ebc5b767df"^^xsd:hexBinary ] ;
    dcat:accessURL <https://api.dev.joinedcontext.com/api/endpoint/oiss6kfbsgjgslbyvvshvv2lqr4u4ssf/schema/v1/model.shacl.ttl> ;
    dcat:byteSize "5549"^^xsd:nonNegativeInteger ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/text/turtle> .

<https://opendata.dev.joinedcontext.com/dataset/de5b363d-fde1-421f-af1d-8f50019b4c1c/resource/ee724d2e-144f-4c0d-b77e-569f16bedd8c> 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/oiss6kfbsgjgslbyvvshvv2lqr4u4ssf/file.csv'

Open to anyone, with no sign-in.""" ;
    dct:format <http://publications.europa.eu/resource/authority/file-type/CSV> ;
    dct:issued "2026-10-25T22:45:42.920414"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-10-26T13:36:23.001044"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Zdroj: Hlavné mesto SR Bratislava, data.bratislava.sk, CC BY 4.0" ] ;
    dct:title "CSV" ;
    dcat:accessURL <https://api.dev.joinedcontext.com/api/endpoint/oiss6kfbsgjgslbyvvshvv2lqr4u4ssf/file.csv> ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/text/csv> .

<https://opendata.dev.joinedcontext.com/dataset/de5b363d-fde1-421f-af1d-8f50019b4c1c/resource/f530266e-641f-472e-9dd2-e7b5a4f03ff4> 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 AirQualityObserved entities:

    curl -H 'Accept: application/ld+json' 'https://api.dev.joinedcontext.com/api/endpoint/oiss6kfbsgjgslbyvvshvv2lqr4u4ssf/ngsi-ld/v1/entities?type=AirQualityObserved&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/oiss6kfbsgjgslbyvvshvv2lqr4u4ssf""" ;
    dct:format <http://publications.europa.eu/resource/authority/file-type/JSON_LD> ;
    dct:issued "2026-10-25T22:45:42.920414"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-10-26T13:36:23.000916"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Zdroj: Hlavné mesto SR Bratislava, data.bratislava.sk, 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/oiss6kfbsgjgslbyvvshvv2lqr4u4ssf/ngsi-ld/v1/> ;
            dcat:servesDataset <https://opendata.dev.joinedcontext.com/dataset/de5b363d-fde1-421f-af1d-8f50019b4c1c> ] ;
    dcat:accessURL <https://api.dev.joinedcontext.com/api/endpoint/oiss6kfbsgjgslbyvvshvv2lqr4u4ssf/ngsi-ld/v1/> ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/application/json> .

<https://opendata.dev.joinedcontext.com/dataset/de5b363d-fde1-421f-af1d-8f50019b4c1c/resource/fa99ce97-50d7-4037-b0c7-ee2218bb7307> 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/oiss6kfbsgjgslbyvvshvv2lqr4u4ssf/ws'
    {"metadata":{"x-op":"x-subscribe","x-id":"s1"},"body":{"type":"Subscription","entities":[{"type":"AirQualityObserved"}]}}

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 "2026-10-25T22:45:42.920414"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-10-26T13:36:23.001429"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Zdroj: Hlavné mesto SR Bratislava, data.bratislava.sk, CC BY 4.0" ] ;
    dct:title "Live updates over WebSocket" ;
    dcat:accessURL <https://api.dev.joinedcontext.com/api/endpoint/oiss6kfbsgjgslbyvvshvv2lqr4u4ssf/ws> ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/application/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/oiss6kfbsgjgslbyvvshvv2lqr4u4ssf/> a foaf:Document .

<https://api.dev.joinedcontext.com/api/endpoint/oiss6kfbsgjgslbyvvshvv2lqr4u4ssf/mcp> a rdfs:Resource .

<https://api.dev.joinedcontext.com/api/endpoint/oiss6kfbsgjgslbyvvshvv2lqr4u4ssf/ngsi-ld/v1/> a rdfs:Resource .

<https://api.dev.joinedcontext.com/api/endpoint/oiss6kfbsgjgslbyvvshvv2lqr4u4ssf/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/de5b363d-fde1-421f-af1d-8f50019b4c1c> a dcat:Dataset ;
    dct:accrualPeriodicity <http://publications.europa.eu/resource/authority/frequency/NEVER> ;
    dct:conformsTo <https://www.w3.org/TR/json-ld11/> ;
    dct:description "Ukazovatele tabuľky „Počet bytov podľa počtu obytných miestností v základných sídelných jednotkách“ z data.bratislava.sk, jeden na základnú sídelnú jednotku mesta (sčítanie 2021) a údaj, ako KeyPerformanceIndicator. Zdroj: Hlavné mesto SR Bratislava, data.bratislava.sk, CC BY 4.0." ;
    dct:identifier "oiss6kfbsgjgslbyvvshvv2lqr4u4ssf" ;
    dct:issued "2026-10-25T22:45:42.920414"^^xsd:dateTime ;
    dct:modified "2026-10-26T13:36:22.992813"^^xsd:dateTime ;
    dct:publisher <https://data.gov.sk/id/legal-subject/00603481> ;
    dct:source <https://data.bratislava.sk/datasets/899203befc3f4515a8a10703a71a7c11> ;
    dct:spatial <http://data.europa.eu/nuts/code/SK010> ;
    dct:title "Počet bytov podľa počtu obytných miestností v základných sídelných jednotkách" ;
    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/de5b363d-fde1-421f-af1d-8f50019b4c1c/resource/0b32ade6-6fc6-4236-9d53-f32c7995ee74>,
        <https://opendata.dev.joinedcontext.com/dataset/de5b363d-fde1-421f-af1d-8f50019b4c1c/resource/36fa24a4-527a-4a8f-a183-368dc8b51e92>,
        <https://opendata.dev.joinedcontext.com/dataset/de5b363d-fde1-421f-af1d-8f50019b4c1c/resource/4c711fbd-f761-488f-b85c-6cc5de27a116>,
        <https://opendata.dev.joinedcontext.com/dataset/de5b363d-fde1-421f-af1d-8f50019b4c1c/resource/526be3ab-77ce-4330-942e-70ae04c6a35d>,
        <https://opendata.dev.joinedcontext.com/dataset/de5b363d-fde1-421f-af1d-8f50019b4c1c/resource/54904650-f49c-4181-9241-c1b6500cec4f>,
        <https://opendata.dev.joinedcontext.com/dataset/de5b363d-fde1-421f-af1d-8f50019b4c1c/resource/550d2617-fb08-4131-8532-e6247645d3aa>,
        <https://opendata.dev.joinedcontext.com/dataset/de5b363d-fde1-421f-af1d-8f50019b4c1c/resource/7617ac49-a22e-4669-8fbc-e4e280a9d54b>,
        <https://opendata.dev.joinedcontext.com/dataset/de5b363d-fde1-421f-af1d-8f50019b4c1c/resource/82f19c60-ee4a-4333-a6fc-6f35b3a4d285>,
        <https://opendata.dev.joinedcontext.com/dataset/de5b363d-fde1-421f-af1d-8f50019b4c1c/resource/9491ae34-3168-4aeb-ac66-6e2e914e5f26>,
        <https://opendata.dev.joinedcontext.com/dataset/de5b363d-fde1-421f-af1d-8f50019b4c1c/resource/a3115f5d-5036-4ee9-a4ed-1635fe78c2e2>,
        <https://opendata.dev.joinedcontext.com/dataset/de5b363d-fde1-421f-af1d-8f50019b4c1c/resource/dab50e05-04e4-47ad-a43a-1c82fd6963dc>,
        <https://opendata.dev.joinedcontext.com/dataset/de5b363d-fde1-421f-af1d-8f50019b4c1c/resource/de4c797f-ed88-476e-b31a-d67b7b2bf897>,
        <https://opendata.dev.joinedcontext.com/dataset/de5b363d-fde1-421f-af1d-8f50019b4c1c/resource/ee724d2e-144f-4c0d-b77e-569f16bedd8c>,
        <https://opendata.dev.joinedcontext.com/dataset/de5b363d-fde1-421f-af1d-8f50019b4c1c/resource/f530266e-641f-472e-9dd2-e7b5a4f03ff4>,
        <https://opendata.dev.joinedcontext.com/dataset/de5b363d-fde1-421f-af1d-8f50019b4c1c/resource/fa99ce97-50d7-4037-b0c7-ee2218bb7307> ;
    dcat:keyword "AdministrativeArea",
        "AirQualityObserved",
        "BikeHireDockingStation",
        "KeyPerformanceIndicator",
        "OnStreetParking",
        "PointOfInterest",
        "body záujmu",
        "doprava",
        "environment",
        "key performance indicators",
        "kľúčové ukazovatele výkonnosti",
        "parking",
        "parkovanie",
        "points of interest",
        "transport",
        "životné prostredie" ;
    dcat:landingPage <https://api.dev.joinedcontext.com/api/endpoint/oiss6kfbsgjgslbyvvshvv2lqr4u4ssf/> ;
    dcat:theme <http://publications.europa.eu/resource/authority/data-theme/SOCI> ;
    prov:wasGeneratedBy [ a prov:Activity ;
            rdfs:label "pipeline statistics-zsj" ] .

<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 .

