@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 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/ENVI> a skos:Concept ;
    skos:prefLabel "Environment"@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/frequency/ANNUAL> a dct:Frequency .

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

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

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

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

<https://data.bratislava.sk/datasets/6e18d5a0c0fd466dab5bd821a744178a> a dcat:Dataset ;
    dct:description "Dataset Hlavného mesta SR Bratislava na portáli otvorených dát data.bratislava.sk: Počet dní s prekročením cieľovej hodnoty koncentrácie škodlivých látok O3 v ovzduší v Bratislave. Licencia CC BY 4.0." ;
    dct:title "Počet dní s prekročením cieľovej hodnoty koncentrácie škodlivých látok O3 v ovzduší v Bratislave" .

<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/cd9bcd69-7322-486a-8cea-5310f85e2467/resource/02f3a189-1a4f-4209-95e1-df22172c998f> 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/dkcjql5lwdtkjrwuqvl7irkehgoyf5t4/file.csv'

Open to anyone, with no sign-in.""" ;
    dct:format <http://publications.europa.eu/resource/authority/file-type/CSV> ;
    dct:issued "2026-10-25T22:41:21.764566"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-10-25T22:41:21.740004"^^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/dkcjql5lwdtkjrwuqvl7irkehgoyf5t4/file.csv> ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/text/csv> .

<https://opendata.dev.joinedcontext.com/dataset/cd9bcd69-7322-486a-8cea-5310f85e2467/resource/0cb972c0-c758-4a89-8453-f3739ebd620a> 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/dkcjql5lwdtkjrwuqvl7irkehgoyf5t4/ws'
    {"metadata":{"x-op":"x-subscribe","x-id":"s1"},"body":{"type":"Subscription","watchedAttributes":["location"]}}

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 "2026-10-25T22:41:21.764566"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-10-25T22:41:21.740280"^^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/dkcjql5lwdtkjrwuqvl7irkehgoyf5t4/ws> ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/application/json> .

<https://opendata.dev.joinedcontext.com/dataset/cd9bcd69-7322-486a-8cea-5310f85e2467/resource/2e732ca3-cfb8-4dca-963d-b6b0e56d0bf6> 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 "2026-10-25T22:41:21.764566"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-10-25T22:41:21.740482"^^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/dkcjql5lwdtkjrwuqvl7irkehgoyf5t4/schema/index.json> ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/application/json> .

<https://opendata.dev.joinedcontext.com/dataset/cd9bcd69-7322-486a-8cea-5310f85e2467/resource/649b0b07-ddb8-4242-b35f-d6d1e1ca98da> 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/dkcjql5lwdtkjrwuqvl7irkehgoyf5t4/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/dkcjql5lwdtkjrwuqvl7irkehgoyf5t4/ogc/features/. With curl:

    curl 'https://api.dev.joinedcontext.com/api/endpoint/dkcjql5lwdtkjrwuqvl7irkehgoyf5t4/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/dkcjql5lwdtkjrwuqvl7irkehgoyf5t4""" ;
    dct:format <http://publications.europa.eu/resource/authority/file-type/GEOJSON> ;
    dct:issued "2026-10-25T22:41:21.764566"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-10-25T22:41:21.740353"^^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/dkcjql5lwdtkjrwuqvl7irkehgoyf5t4/ogc/features/> ;
            dcat:servesDataset <https://opendata.dev.joinedcontext.com/dataset/cd9bcd69-7322-486a-8cea-5310f85e2467> ] ;
    dcat:accessURL <https://api.dev.joinedcontext.com/api/endpoint/dkcjql5lwdtkjrwuqvl7irkehgoyf5t4/ogc/features/> ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/application/geo+json> .

<https://opendata.dev.joinedcontext.com/dataset/cd9bcd69-7322-486a-8cea-5310f85e2467/resource/6b86c6f9-9d79-4f73-8dcd-0b47f8f318a1> 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 "2026-10-25T22:41:21.764566"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-10-25T22:41:21.740537"^^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/dkcjql5lwdtkjrwuqvl7irkehgoyf5t4/> ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/application/ld+json> .

<https://opendata.dev.joinedcontext.com/dataset/cd9bcd69-7322-486a-8cea-5310f85e2467/resource/a02da345-5f37-4eba-88dd-7dd916c7d863> 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/dkcjql5lwdtkjrwuqvl7irkehgoyf5t4/odata/v4/. In Power BI: Get data, OData feed, the same URL. With curl:

    curl 'https://api.dev.joinedcontext.com/api/endpoint/dkcjql5lwdtkjrwuqvl7irkehgoyf5t4/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/dkcjql5lwdtkjrwuqvl7irkehgoyf5t4""" ;
    dct:issued "2026-10-25T22:41:21.764566"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-10-25T22:41:21.740426"^^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/dkcjql5lwdtkjrwuqvl7irkehgoyf5t4/odata/v4/> ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/application/json> .

<https://opendata.dev.joinedcontext.com/dataset/cd9bcd69-7322-486a-8cea-5310f85e2467/resource/c6891779-1c6b-4c0b-8f64-c1b6c5a37b11> 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/dkcjql5lwdtkjrwuqvl7irkehgoyf5t4. 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-dni-prekrocenia-o3":{"type":"http","url":"https://api.dev.joinedcontext.com/api/endpoint/dkcjql5lwdtkjrwuqvl7irkehgoyf5t4/mcp"}}}
""" ;
    dct:format <http://publications.europa.eu/resource/authority/file-type/JSON> ;
    dct:issued "2026-10-25T22:41:21.764566"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-10-25T22:41:21.740142"^^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/dkcjql5lwdtkjrwuqvl7irkehgoyf5t4/mcp> ;
            dcat:servesDataset <https://opendata.dev.joinedcontext.com/dataset/cd9bcd69-7322-486a-8cea-5310f85e2467> ] ;
    dcat:accessURL <https://api.dev.joinedcontext.com/api/endpoint/dkcjql5lwdtkjrwuqvl7irkehgoyf5t4/mcp> ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/application/json> .

<https://opendata.dev.joinedcontext.com/dataset/cd9bcd69-7322-486a-8cea-5310f85e2467/resource/f5861d1c-e1db-4db1-8c66-3a9f887a55aa> a dcat:Distribution ;
    dct:description """The NGSI-LD API (ETSI GS CIM 009) of this dataset: query, filter and page its entities. The entity types it serves:

    curl -H 'Accept: application/ld+json' 'https://api.dev.joinedcontext.com/api/endpoint/dkcjql5lwdtkjrwuqvl7irkehgoyf5t4/ngsi-ld/v1/types'

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/dkcjql5lwdtkjrwuqvl7irkehgoyf5t4""" ;
    dct:format <http://publications.europa.eu/resource/authority/file-type/JSON_LD> ;
    dct:issued "2026-10-25T22:41:21.764566"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-10-25T22:41:21.739913"^^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/dkcjql5lwdtkjrwuqvl7irkehgoyf5t4/ngsi-ld/v1/> ;
            dcat:servesDataset <https://opendata.dev.joinedcontext.com/dataset/cd9bcd69-7322-486a-8cea-5310f85e2467> ] ;
    dcat:accessURL <https://api.dev.joinedcontext.com/api/endpoint/dkcjql5lwdtkjrwuqvl7irkehgoyf5t4/ngsi-ld/v1/> ;
    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 .

<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 .

<https://api.dev.joinedcontext.com/api/endpoint/dkcjql5lwdtkjrwuqvl7irkehgoyf5t4/> a foaf:Document .

<https://api.dev.joinedcontext.com/api/endpoint/dkcjql5lwdtkjrwuqvl7irkehgoyf5t4/mcp> a rdfs:Resource .

<https://api.dev.joinedcontext.com/api/endpoint/dkcjql5lwdtkjrwuqvl7irkehgoyf5t4/ngsi-ld/v1/> a rdfs:Resource .

<https://api.dev.joinedcontext.com/api/endpoint/dkcjql5lwdtkjrwuqvl7irkehgoyf5t4/ogc/features/> a rdfs:Resource .

<https://opendata.dev.joinedcontext.com/dataset/cd9bcd69-7322-486a-8cea-5310f85e2467> a dcat:Dataset ;
    dct:accrualPeriodicity <http://publications.europa.eu/resource/authority/frequency/ANNUAL> ;
    dct:description "Ukazovatele tabuľky „Počet dní s prekročením cieľovej hodnoty koncentrácie škodlivých látok O3 v ovzduší v Bratislave“ z data.bratislava.sk, za mesto ako celok, jeden na obdobie a údaj, ako KeyPerformanceIndicator. Zdroj: Hlavné mesto SR Bratislava, data.bratislava.sk, CC BY 4.0." ;
    dct:identifier "dkcjql5lwdtkjrwuqvl7irkehgoyf5t4" ;
    dct:issued "2026-10-25T22:41:21.764566"^^xsd:dateTime ;
    dct:modified "2026-10-25T22:41:21.764572"^^xsd:dateTime ;
    dct:publisher <https://data.gov.sk/id/legal-subject/00603481> ;
    dct:source <https://data.bratislava.sk/datasets/6e18d5a0c0fd466dab5bd821a744178a> ;
    dct:spatial <http://data.europa.eu/nuts/code/SK010> ;
    dct:title "Počet dní s prekročením cieľovej hodnoty koncentrácie škodlivých látok O3 v ovzduší v Bratislave" ;
    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/cd9bcd69-7322-486a-8cea-5310f85e2467/resource/02f3a189-1a4f-4209-95e1-df22172c998f>,
        <https://opendata.dev.joinedcontext.com/dataset/cd9bcd69-7322-486a-8cea-5310f85e2467/resource/0cb972c0-c758-4a89-8453-f3739ebd620a>,
        <https://opendata.dev.joinedcontext.com/dataset/cd9bcd69-7322-486a-8cea-5310f85e2467/resource/2e732ca3-cfb8-4dca-963d-b6b0e56d0bf6>,
        <https://opendata.dev.joinedcontext.com/dataset/cd9bcd69-7322-486a-8cea-5310f85e2467/resource/649b0b07-ddb8-4242-b35f-d6d1e1ca98da>,
        <https://opendata.dev.joinedcontext.com/dataset/cd9bcd69-7322-486a-8cea-5310f85e2467/resource/6b86c6f9-9d79-4f73-8dcd-0b47f8f318a1>,
        <https://opendata.dev.joinedcontext.com/dataset/cd9bcd69-7322-486a-8cea-5310f85e2467/resource/a02da345-5f37-4eba-88dd-7dd916c7d863>,
        <https://opendata.dev.joinedcontext.com/dataset/cd9bcd69-7322-486a-8cea-5310f85e2467/resource/c6891779-1c6b-4c0b-8f64-c1b6c5a37b11>,
        <https://opendata.dev.joinedcontext.com/dataset/cd9bcd69-7322-486a-8cea-5310f85e2467/resource/f5861d1c-e1db-4db1-8c66-3a9f887a55aa> ;
    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/dkcjql5lwdtkjrwuqvl7irkehgoyf5t4/> ;
    dcat:theme <http://publications.europa.eu/resource/authority/data-theme/ENVI> ;
    prov:wasGeneratedBy [ a prov:Activity ;
            rdfs:label "pipeline statistics-mesto" ] .

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

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