@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/SK031> 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/data-theme/HEAL> a skos:Concept ;
    skos:prefLabel "Health"@en .

<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/HOURLY> 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/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://api.smartcity.joinedcontext.com/api/endpoint/rhnhewwotdngtrsb7gnzpj63ysnkutwl/> a foaf:Document .

<https://eeadmz1batchservice02.blob.core.windows.net/airquality-p/SK/SPO-SK0020A_00005_100.parquet> a dcat:Dataset ;
    dct:description "Aktuálne hodinové údaje stanice Žilina, súbory Parquet podľa vzorkovacieho bodu, CC BY 4.0." ;
    dct:title "Kvalita ovzdušia, stanica SK0020A (EEA, E2a)" .

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

<https://opendata.smartcity.joinedcontext.com/dataset/d4d45fcb-af65-4902-853b-d34e4ebf554a/resource/25c815ee-d076-4f08-af0a-f0530d4e5d62> a dcat:Distribution ;
    dct:description """For AI assistants: a Model Context Protocol server over this dataset's endpoint https://api.smartcity.joinedcontext.com/api/endpoint/rhnhewwotdngtrsb7gnzpj63ysnkutwl. 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":{"zilina-ovzdusie":{"type":"http","url":"https://api.smartcity.joinedcontext.com/api/endpoint/rhnhewwotdngtrsb7gnzpj63ysnkutwl/mcp"}}}
""" ;
    dct:format <http://publications.europa.eu/resource/authority/file-type/JSON> ;
    dct:issued "2026-09-28T00:00:00+00:00"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-10-20T05:59:24.190480"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Zdroj: Európska environmentálna agentúra, údaje SHMÚ, 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.smartcity.joinedcontext.com/api/endpoint/rhnhewwotdngtrsb7gnzpj63ysnkutwl/mcp> ;
            dcat:servesDataset <https://opendata.smartcity.joinedcontext.com/dataset/d4d45fcb-af65-4902-853b-d34e4ebf554a> ] ;
    dcat:accessURL <https://api.smartcity.joinedcontext.com/api/endpoint/rhnhewwotdngtrsb7gnzpj63ysnkutwl/mcp> ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/application/json> .

<https://opendata.smartcity.joinedcontext.com/dataset/d4d45fcb-af65-4902-853b-d34e4ebf554a/resource/438dc76e-ee65-4c80-8460-a3193c840e4a> a dcat:Distribution ;
    dct:description "The data model as SHACL; sha256 39a50a860e73bc282b06084c976f42a6ef43782bfac3d203fbcd0c69b066ff0a." ;
    dct:format <http://publications.europa.eu/resource/authority/file-type/RDF_TURTLE> ;
    dct:issued "2026-09-28T00:00:00+00:00"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-10-20T05:59:24.191609"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Zdroj: Európska environmentálna agentúra, údaje SHMÚ, CC BY 4.0" ] ;
    dct:title "zilina-verejne model.shacl.ttl" ;
    spdx:checksum [ a spdx:Checksum ;
            spdx:algorithm spdx:checksumAlgorithm_sha256 ;
            spdx:checksumValue "39a50a860e73bc282b06084c976f42a6ef43782bfac3d203fbcd0c69b066ff0a"^^xsd:hexBinary ] ;
    dcat:accessURL <https://api.smartcity.joinedcontext.com/api/endpoint/rhnhewwotdngtrsb7gnzpj63ysnkutwl/schema/v1/model.shacl.ttl> ;
    dcat:byteSize "4691"^^xsd:nonNegativeInteger ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/text/turtle> .

<https://opendata.smartcity.joinedcontext.com/dataset/d4d45fcb-af65-4902-853b-d34e4ebf554a/resource/65fc7867-2069-404d-8f23-029254d93496> a dcat:Distribution ;
    dct:description "The data model as LinkML; sha256 ddd1bfbc30d3f121100bcc82343f5b0bf333c8b936d8c56f8282f56526163ac6." ;
    dct:format <http://publications.europa.eu/resource/authority/file-type/YAML> ;
    dct:issued "2026-09-28T00:00:00+00:00"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-10-20T05:59:24.190928"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Zdroj: Európska environmentálna agentúra, údaje SHMÚ, CC BY 4.0" ] ;
    dct:title "zilina-verejne model.linkml.yaml" ;
    spdx:checksum [ a spdx:Checksum ;
            spdx:algorithm spdx:checksumAlgorithm_sha256 ;
            spdx:checksumValue "ddd1bfbc30d3f121100bcc82343f5b0bf333c8b936d8c56f8282f56526163ac6"^^xsd:hexBinary ] ;
    dcat:accessURL <https://api.smartcity.joinedcontext.com/api/endpoint/rhnhewwotdngtrsb7gnzpj63ysnkutwl/schema/v1/model.linkml.yaml> ;
    dcat:byteSize "7316"^^xsd:nonNegativeInteger ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/text/yaml> .

<https://opendata.smartcity.joinedcontext.com/dataset/d4d45fcb-af65-4902-853b-d34e4ebf554a/resource/80ef3d97-4f28-4f21-83f3-0da8ea17fc67> a dcat:Distribution ;
    dct:description """A CSV table, generated on each download from the endpoint's live data.

    curl -o file.csv 'https://api.smartcity.joinedcontext.com/api/endpoint/rhnhewwotdngtrsb7gnzpj63ysnkutwl/file.csv'

Open to anyone, with no sign-in.""" ;
    dct:format <http://publications.europa.eu/resource/authority/file-type/CSV> ;
    dct:issued "2026-09-28T00:00:00+00:00"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-10-20T05:59:24.189864"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Zdroj: Európska environmentálna agentúra, údaje SHMÚ, CC BY 4.0" ] ;
    dct:title "CSV" ;
    dcat:accessURL <https://api.smartcity.joinedcontext.com/api/endpoint/rhnhewwotdngtrsb7gnzpj63ysnkutwl/file.csv> ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/text/csv> .

<https://opendata.smartcity.joinedcontext.com/dataset/d4d45fcb-af65-4902-853b-d34e4ebf554a/resource/92f4ca0a-dd35-468f-9373-a32e074d30e3> a dcat:Distribution ;
    dct:description "The data model as OWL; sha256 a8acb3b104c6cdfc5b00c07b7ee41819ed150055dede6dd253d55eb81082d2de." ;
    dct:format <http://publications.europa.eu/resource/authority/file-type/OWL> ;
    dct:issued "2026-09-28T00:00:00+00:00"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-10-20T05:59:24.191211"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Zdroj: Európska environmentálna agentúra, údaje SHMÚ, CC BY 4.0" ] ;
    dct:title "zilina-verejne model.owl.ttl" ;
    spdx:checksum [ a spdx:Checksum ;
            spdx:algorithm spdx:checksumAlgorithm_sha256 ;
            spdx:checksumValue "a8acb3b104c6cdfc5b00c07b7ee41819ed150055dede6dd253d55eb81082d2de"^^xsd:hexBinary ] ;
    dcat:accessURL <https://api.smartcity.joinedcontext.com/api/endpoint/rhnhewwotdngtrsb7gnzpj63ysnkutwl/schema/v1/model.owl.ttl> ;
    dcat:byteSize "2737"^^xsd:nonNegativeInteger ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/text/turtle> .

<https://opendata.smartcity.joinedcontext.com/dataset/d4d45fcb-af65-4902-853b-d34e4ebf554a/resource/93f53a0f-7fcf-49d4-946d-c7f75d4e0360> a dcat:Distribution ;
    dct:description "The data model as RDF; sha256 6c67c89ce8402fcdd8883d32f5e948ddf27b559ea8aa6eafba5281e847188523." ;
    dct:format <http://publications.europa.eu/resource/authority/file-type/RDF_TURTLE> ;
    dct:issued "2026-09-28T00:00:00+00:00"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-10-20T05:59:24.191344"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Zdroj: Európska environmentálna agentúra, údaje SHMÚ, CC BY 4.0" ] ;
    dct:title "zilina-verejne model.rdf.ttl" ;
    spdx:checksum [ a spdx:Checksum ;
            spdx:algorithm spdx:checksumAlgorithm_sha256 ;
            spdx:checksumValue "6c67c89ce8402fcdd8883d32f5e948ddf27b559ea8aa6eafba5281e847188523"^^xsd:hexBinary ] ;
    dcat:accessURL <https://api.smartcity.joinedcontext.com/api/endpoint/rhnhewwotdngtrsb7gnzpj63ysnkutwl/schema/v1/model.rdf.ttl> ;
    dcat:byteSize "1469"^^xsd:nonNegativeInteger ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/text/turtle> .

<https://opendata.smartcity.joinedcontext.com/dataset/d4d45fcb-af65-4902-853b-d34e4ebf554a/resource/940ca56c-1270-4407-9cdd-ede85888632c> 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.smartcity.joinedcontext.com/api/endpoint/rhnhewwotdngtrsb7gnzpj63ysnkutwl/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://smartcity.joinedcontext.com/docs/API/07-websocket""" ;
    dct:issued "2026-09-28T00:00:00+00:00"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-10-20T05:59:24.190062"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Zdroj: Európska environmentálna agentúra, údaje SHMÚ, CC BY 4.0" ] ;
    dct:title "Live updates over WebSocket" ;
    dcat:accessURL <https://api.smartcity.joinedcontext.com/api/endpoint/rhnhewwotdngtrsb7gnzpj63ysnkutwl/ws> ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/application/json> .

<https://opendata.smartcity.joinedcontext.com/dataset/d4d45fcb-af65-4902-853b-d34e4ebf554a/resource/9abfceb6-242c-406a-b193-d195a4a204c0> 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.smartcity.joinedcontext.com/api/endpoint/rhnhewwotdngtrsb7gnzpj63ysnkutwl/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.smartcity.joinedcontext.com/d/rhnhewwotdngtrsb7gnzpj63ysnkutwl""" ;
    dct:format <http://publications.europa.eu/resource/authority/file-type/JSON_LD> ;
    dct:issued "2026-09-28T00:00:00+00:00"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-10-20T05:59:24.189637"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Zdroj: Európska environmentálna agentúra, údaje SHMÚ, 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.smartcity.joinedcontext.com/api/endpoint/rhnhewwotdngtrsb7gnzpj63ysnkutwl/ngsi-ld/v1/> ;
            dcat:servesDataset <https://opendata.smartcity.joinedcontext.com/dataset/d4d45fcb-af65-4902-853b-d34e4ebf554a> ] ;
    dcat:accessURL <https://api.smartcity.joinedcontext.com/api/endpoint/rhnhewwotdngtrsb7gnzpj63ysnkutwl/ngsi-ld/v1/> ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/application/json> .

<https://opendata.smartcity.joinedcontext.com/dataset/d4d45fcb-af65-4902-853b-d34e4ebf554a/resource/9d982d49-2ce9-41e2-8340-c0fcff6f6e82> a dcat:Distribution ;
    dct:format <http://publications.europa.eu/resource/authority/file-type/CSV> ;
    dct:issued "2026-09-28T00:00:00+00:00"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-10-20T05:03:47.668025"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Zdroj: Európska environmentálna agentúra, údaje SHMÚ, CC BY 4.0" ] ;
    dct:title "AirQualityObserved" ;
    dcat:accessURL <https://opendata.smartcity.joinedcontext.com/datastore/dump/9d982d49-2ce9-41e2-8340-c0fcff6f6e82> .

<https://opendata.smartcity.joinedcontext.com/dataset/d4d45fcb-af65-4902-853b-d34e4ebf554a/resource/a6ba0b0a-4acd-4359-8833-e109c94a303d> a dcat:Distribution ;
    dct:description "The data model as Markdown; sha256 7ccf1210a042d157b1aeb6dba3763d4ed69fb07f1004b845055c3529c63029f2." ;
    dct:format <http://publications.europa.eu/resource/authority/file-type/MARKDOWN> ;
    dct:issued "2026-09-28T00:00:00+00:00"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-10-20T05:59:24.191067"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Zdroj: Európska environmentálna agentúra, údaje SHMÚ, CC BY 4.0" ] ;
    dct:title "zilina-verejne model.md" ;
    spdx:checksum [ a spdx:Checksum ;
            spdx:algorithm spdx:checksumAlgorithm_sha256 ;
            spdx:checksumValue "7ccf1210a042d157b1aeb6dba3763d4ed69fb07f1004b845055c3529c63029f2"^^xsd:hexBinary ] ;
    dcat:accessURL <https://api.smartcity.joinedcontext.com/api/endpoint/rhnhewwotdngtrsb7gnzpj63ysnkutwl/schema/v1/model.md> ;
    dcat:byteSize "1468"^^xsd:nonNegativeInteger ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/text/markdown> .

<https://opendata.smartcity.joinedcontext.com/dataset/d4d45fcb-af65-4902-853b-d34e4ebf554a/resource/aedcc58d-b335-49ec-af6d-1057527aeac9> 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.smartcity.joinedcontext.com/api/endpoint/rhnhewwotdngtrsb7gnzpj63ysnkutwl/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.smartcity.joinedcontext.com/api/endpoint/rhnhewwotdngtrsb7gnzpj63ysnkutwl/ogc/features/. With curl:

    curl 'https://api.smartcity.joinedcontext.com/api/endpoint/rhnhewwotdngtrsb7gnzpj63ysnkutwl/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.smartcity.joinedcontext.com/d/rhnhewwotdngtrsb7gnzpj63ysnkutwl""" ;
    dct:format <http://publications.europa.eu/resource/authority/file-type/GEOJSON> ;
    dct:issued "2026-09-28T00:00:00+00:00"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-10-20T05:59:24.190208"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Zdroj: Európska environmentálna agentúra, údaje SHMÚ, 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.smartcity.joinedcontext.com/api/endpoint/rhnhewwotdngtrsb7gnzpj63ysnkutwl/ogc/features/> ;
            dcat:servesDataset <https://opendata.smartcity.joinedcontext.com/dataset/d4d45fcb-af65-4902-853b-d34e4ebf554a> ] ;
    dcat:accessURL <https://api.smartcity.joinedcontext.com/api/endpoint/rhnhewwotdngtrsb7gnzpj63ysnkutwl/ogc/features/> ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/application/geo+json> .

<https://opendata.smartcity.joinedcontext.com/dataset/d4d45fcb-af65-4902-853b-d34e4ebf554a/resource/bd2cecd9-e6d9-4a16-8ee1-968c2af1a07f> a dcat:Distribution ;
    dct:description "The data model as JSON Schema; sha256 7523379570a37ec665f8e9bdc401facf0de112f181e04d879fe0c6c1020c78f7." ;
    dct:format <http://publications.europa.eu/resource/authority/file-type/JSON> ;
    dct:issued "2026-09-28T00:00:00+00:00"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-10-20T05:59:24.191478"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Zdroj: Európska environmentálna agentúra, údaje SHMÚ, CC BY 4.0" ] ;
    dct:title "zilina-verejne model.schema.json" ;
    spdx:checksum [ a spdx:Checksum ;
            spdx:algorithm spdx:checksumAlgorithm_sha256 ;
            spdx:checksumValue "7523379570a37ec665f8e9bdc401facf0de112f181e04d879fe0c6c1020c78f7"^^xsd:hexBinary ] ;
    dcat:accessURL <https://api.smartcity.joinedcontext.com/api/endpoint/rhnhewwotdngtrsb7gnzpj63ysnkutwl/schema/v1/model.schema.json> ;
    dcat:byteSize "2596"^^xsd:nonNegativeInteger ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/application/schema+json> .

<https://opendata.smartcity.joinedcontext.com/dataset/d4d45fcb-af65-4902-853b-d34e4ebf554a/resource/be73b531-8dc8-47cb-a5a2-880221940e32> a dcat:Distribution ;
    dct:description "The data model as JSON-LD; sha256 f9b68f1064e84d88df87bc054159cea91df2eb86c2483fe9a6b8fea2ea9b91fd." ;
    dct:format <http://publications.europa.eu/resource/authority/file-type/JSON_LD> ;
    dct:issued "2026-09-28T00:00:00+00:00"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-10-20T05:59:24.190748"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Zdroj: Európska environmentálna agentúra, údaje SHMÚ, CC BY 4.0" ] ;
    dct:title "zilina-verejne context.jsonld" ;
    spdx:checksum [ a spdx:Checksum ;
            spdx:algorithm spdx:checksumAlgorithm_sha256 ;
            spdx:checksumValue "f9b68f1064e84d88df87bc054159cea91df2eb86c2483fe9a6b8fea2ea9b91fd"^^xsd:hexBinary ] ;
    dcat:accessURL <https://api.smartcity.joinedcontext.com/api/endpoint/rhnhewwotdngtrsb7gnzpj63ysnkutwl/schema/v1/context.jsonld> ;
    dcat:byteSize "1223"^^xsd:nonNegativeInteger ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/application/ld+json> .

<https://opendata.smartcity.joinedcontext.com/dataset/d4d45fcb-af65-4902-853b-d34e4ebf554a/resource/e45055e6-9ac4-445f-8093-124fd984753a> 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.smartcity.joinedcontext.com/api/endpoint/rhnhewwotdngtrsb7gnzpj63ysnkutwl/odata/v4/. In Power BI: Get data, OData feed, the same URL. With curl:

    curl 'https://api.smartcity.joinedcontext.com/api/endpoint/rhnhewwotdngtrsb7gnzpj63ysnkutwl/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.smartcity.joinedcontext.com/d/rhnhewwotdngtrsb7gnzpj63ysnkutwl""" ;
    dct:issued "2026-09-28T00:00:00+00:00"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-10-20T05:59:24.190345"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Zdroj: Európska environmentálna agentúra, údaje SHMÚ, CC BY 4.0" ] ;
    dct:title "OData v4" ;
    dcat:accessURL <https://api.smartcity.joinedcontext.com/api/endpoint/rhnhewwotdngtrsb7gnzpj63ysnkutwl/odata/v4/> ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/application/json> .

<https://opendata.smartcity.joinedcontext.com/dataset/d4d45fcb-af65-4902-853b-d34e4ebf554a/resource/fc85be18-4298-4dfc-a950-be505c011ffb> 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 "2026-09-28T00:00:00+00:00"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-10-20T05:59:24.190610"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Zdroj: Európska environmentálna agentúra, údaje SHMÚ, CC BY 4.0" ] ;
    dct:title "Schema artifacts" ;
    dcat:accessURL <https://api.smartcity.joinedcontext.com/api/endpoint/rhnhewwotdngtrsb7gnzpj63ysnkutwl/schema/index.json> ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/application/json> .

<https://smartcity.joinedcontext.com/> a foaf:Agent ;
    foaf:name "Projekt Žilina, platforma joinedcontext" .

<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/CSV> a dct:MediaTypeOrExtent .

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

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

<https://api.smartcity.joinedcontext.com/api/endpoint/rhnhewwotdngtrsb7gnzpj63ysnkutwl/mcp> a rdfs:Resource .

<https://api.smartcity.joinedcontext.com/api/endpoint/rhnhewwotdngtrsb7gnzpj63ysnkutwl/ngsi-ld/v1/> a rdfs:Resource .

<https://api.smartcity.joinedcontext.com/api/endpoint/rhnhewwotdngtrsb7gnzpj63ysnkutwl/ogc/features/> a rdfs:Resource .

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

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

<https://opendata.smartcity.joinedcontext.com/dataset/d4d45fcb-af65-4902-853b-d34e4ebf554a> a dcat:Dataset ;
    dct:accrualPeriodicity <http://publications.europa.eu/resource/authority/frequency/HOURLY> ;
    dct:conformsTo <https://www.w3.org/TR/json-ld11/> ;
    dct:description "Hodinové merania PM10, PM2,5, NO2, O3 a CO na stanici SK0020A. Zdroj: Európska environmentálna agentúra (údaje SHMÚ), CC BY 4.0." ;
    dct:identifier "rhnhewwotdngtrsb7gnzpj63ysnkutwl" ;
    dct:issued "2026-09-28T00:00:00+00:00"^^xsd:dateTime ;
    dct:modified "2026-10-20T05:59:24.178949"^^xsd:dateTime ;
    dct:publisher <https://smartcity.joinedcontext.com/> ;
    dct:source <https://eeadmz1batchservice02.blob.core.windows.net/airquality-p/SK/SPO-SK0020A_00005_100.parquet> ;
    dct:spatial <http://data.europa.eu/nuts/code/SK031> ;
    dct:title "Kvalita ovzdušia — Žilina" ;
    dcat:contactPoint [ a vcard:Kind,
                vcard:Organization ;
            vcard:fn "joinedcontext platform" ;
            vcard:hasEmail <mailto:hello@joinedcontext.com> ] ;
    dcat:distribution <https://opendata.smartcity.joinedcontext.com/dataset/d4d45fcb-af65-4902-853b-d34e4ebf554a/resource/25c815ee-d076-4f08-af0a-f0530d4e5d62>,
        <https://opendata.smartcity.joinedcontext.com/dataset/d4d45fcb-af65-4902-853b-d34e4ebf554a/resource/438dc76e-ee65-4c80-8460-a3193c840e4a>,
        <https://opendata.smartcity.joinedcontext.com/dataset/d4d45fcb-af65-4902-853b-d34e4ebf554a/resource/65fc7867-2069-404d-8f23-029254d93496>,
        <https://opendata.smartcity.joinedcontext.com/dataset/d4d45fcb-af65-4902-853b-d34e4ebf554a/resource/80ef3d97-4f28-4f21-83f3-0da8ea17fc67>,
        <https://opendata.smartcity.joinedcontext.com/dataset/d4d45fcb-af65-4902-853b-d34e4ebf554a/resource/92f4ca0a-dd35-468f-9373-a32e074d30e3>,
        <https://opendata.smartcity.joinedcontext.com/dataset/d4d45fcb-af65-4902-853b-d34e4ebf554a/resource/93f53a0f-7fcf-49d4-946d-c7f75d4e0360>,
        <https://opendata.smartcity.joinedcontext.com/dataset/d4d45fcb-af65-4902-853b-d34e4ebf554a/resource/940ca56c-1270-4407-9cdd-ede85888632c>,
        <https://opendata.smartcity.joinedcontext.com/dataset/d4d45fcb-af65-4902-853b-d34e4ebf554a/resource/9abfceb6-242c-406a-b193-d195a4a204c0>,
        <https://opendata.smartcity.joinedcontext.com/dataset/d4d45fcb-af65-4902-853b-d34e4ebf554a/resource/9d982d49-2ce9-41e2-8340-c0fcff6f6e82>,
        <https://opendata.smartcity.joinedcontext.com/dataset/d4d45fcb-af65-4902-853b-d34e4ebf554a/resource/a6ba0b0a-4acd-4359-8833-e109c94a303d>,
        <https://opendata.smartcity.joinedcontext.com/dataset/d4d45fcb-af65-4902-853b-d34e4ebf554a/resource/aedcc58d-b335-49ec-af6d-1057527aeac9>,
        <https://opendata.smartcity.joinedcontext.com/dataset/d4d45fcb-af65-4902-853b-d34e4ebf554a/resource/bd2cecd9-e6d9-4a16-8ee1-968c2af1a07f>,
        <https://opendata.smartcity.joinedcontext.com/dataset/d4d45fcb-af65-4902-853b-d34e4ebf554a/resource/be73b531-8dc8-47cb-a5a2-880221940e32>,
        <https://opendata.smartcity.joinedcontext.com/dataset/d4d45fcb-af65-4902-853b-d34e4ebf554a/resource/e45055e6-9ac4-445f-8093-124fd984753a>,
        <https://opendata.smartcity.joinedcontext.com/dataset/d4d45fcb-af65-4902-853b-d34e4ebf554a/resource/fc85be18-4298-4dfc-a950-be505c011ffb> ;
    dcat:keyword "NO2",
        "PM10",
        "PM2 5",
        "PM2.5",
        "air quality",
        "kvalita ovzdušia",
        "Žilina" ;
    dcat:landingPage <https://api.smartcity.joinedcontext.com/api/endpoint/rhnhewwotdngtrsb7gnzpj63ysnkutwl/> ;
    dcat:theme <http://publications.europa.eu/resource/authority/data-theme/ENVI>,
        <http://publications.europa.eu/resource/authority/data-theme/HEAL> ;
    prov:wasGeneratedBy [ a prov:Activity ;
            rdfs:label "pipeline ovzdusie-pm10" ] .

<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 .