@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/FI1B1> 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.dev.joinedcontext.com/api/endpoint/w5vgo2mi6phigetdq3pvvcjgznw73hji/> a foaf:Document .

<https://iot.fvh.fi/opendata/uiras/uiras_latest.geojson> a dcat:Dataset ;
    dct:description "The beaches' sensors' latest water temperatures as GeoJSON." ;
    dct:title "Beach water temperature (Uiras)" .

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

<https://opendata.dev.joinedcontext.com/dataset/6884ede2-e068-49af-a39d-117c9d512202/resource/06771f96-26a9-4a4f-a664-eefa8ecac2e7> 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 "2026-10-19T13:42:26.055925"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Source: Forum Virium Helsinki, Uiras, CC BY 4.0" ] ;
    dct:title "Schema artifacts" ;
    dcat:accessURL <https://api.dev.joinedcontext.com/api/endpoint/w5vgo2mi6phigetdq3pvvcjgznw73hji/schema/index.json> ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/application/json> .

<https://opendata.dev.joinedcontext.com/dataset/6884ede2-e068-49af-a39d-117c9d512202/resource/527e8b59-e827-41fa-b51b-407bc4b96dc0> 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/w5vgo2mi6phigetdq3pvvcjgznw73hji/odata/v4/. In Power BI: Get data, OData feed, the same URL. With curl:

    curl 'https://api.dev.joinedcontext.com/api/endpoint/w5vgo2mi6phigetdq3pvvcjgznw73hji/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/w5vgo2mi6phigetdq3pvvcjgznw73hji""" ;
    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 "2026-10-19T13:42:26.055801"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Source: Forum Virium Helsinki, Uiras, CC BY 4.0" ] ;
    dct:title "OData v4" ;
    dcat:accessURL <https://api.dev.joinedcontext.com/api/endpoint/w5vgo2mi6phigetdq3pvvcjgznw73hji/odata/v4/> ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/application/json> .

<https://opendata.dev.joinedcontext.com/dataset/6884ede2-e068-49af-a39d-117c9d512202/resource/60d26111-6626-4626-b017-9ebf84e27b93> 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/w5vgo2mi6phigetdq3pvvcjgznw73hji. 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":{"helsinki-beach-water":{"type":"http","url":"https://api.dev.joinedcontext.com/api/endpoint/w5vgo2mi6phigetdq3pvvcjgznw73hji/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 "2026-10-19T13:42:26.055863"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Source: Forum Virium Helsinki, Uiras, 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/w5vgo2mi6phigetdq3pvvcjgznw73hji/mcp> ;
            dcat:servesDataset <https://opendata.dev.joinedcontext.com/dataset/6884ede2-e068-49af-a39d-117c9d512202> ] ;
    dcat:accessURL <https://api.dev.joinedcontext.com/api/endpoint/w5vgo2mi6phigetdq3pvvcjgznw73hji/mcp> ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/application/json> .

<https://opendata.dev.joinedcontext.com/dataset/6884ede2-e068-49af-a39d-117c9d512202/resource/6fb97b4b-4164-419b-8e54-44357a697927> a dcat:Distribution ;
    dct:description "The data model as SHACL; sha256 34051b258e856e16228189500e08ced79f42659f41c0d03f3d67a1d61cea5300." ;
    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 "2026-10-19T13:42:26.056304"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Source: Forum Virium Helsinki, Uiras, CC BY 4.0" ] ;
    dct:title "helsinki model.shacl.ttl" ;
    spdx:checksum [ a spdx:Checksum ;
            spdx:algorithm spdx:checksumAlgorithm_sha256 ;
            spdx:checksumValue "34051b258e856e16228189500e08ced79f42659f41c0d03f3d67a1d61cea5300"^^xsd:hexBinary ] ;
    dcat:accessURL <https://api.dev.joinedcontext.com/api/endpoint/w5vgo2mi6phigetdq3pvvcjgznw73hji/schema/v1/model.shacl.ttl> ;
    dcat:byteSize "2962"^^xsd:nonNegativeInteger ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/text/turtle> .

<https://opendata.dev.joinedcontext.com/dataset/6884ede2-e068-49af-a39d-117c9d512202/resource/766a5424-a0e4-44e8-b182-e0a86c92d937> 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/w5vgo2mi6phigetdq3pvvcjgznw73hji/ws'
    {"metadata":{"x-op":"x-subscribe","x-id":"s1"},"body":{"type":"Subscription","entities":[{"type":"WaterQualityObserved"}]}}

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 "2026-09-28T00:00:00+00:00"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-10-19T13:42:26.055690"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Source: Forum Virium Helsinki, Uiras, CC BY 4.0" ] ;
    dct:title "Live updates over WebSocket" ;
    dcat:accessURL <https://api.dev.joinedcontext.com/api/endpoint/w5vgo2mi6phigetdq3pvvcjgznw73hji/ws> ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/application/json> .

<https://opendata.dev.joinedcontext.com/dataset/6884ede2-e068-49af-a39d-117c9d512202/resource/8e6a0173-39c7-444a-b827-a3c2dad7eeca> 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/w5vgo2mi6phigetdq3pvvcjgznw73hji/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 "2026-10-19T13:42:26.055616"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Source: Forum Virium Helsinki, Uiras, CC BY 4.0" ] ;
    dct:title "CSV" ;
    dcat:accessURL <https://api.dev.joinedcontext.com/api/endpoint/w5vgo2mi6phigetdq3pvvcjgznw73hji/file.csv> ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/text/csv> .

<https://opendata.dev.joinedcontext.com/dataset/6884ede2-e068-49af-a39d-117c9d512202/resource/90b59f30-215b-4b63-a87d-9cc64e1c1ba9> a dcat:Distribution ;
    dct:description "The data model as LinkML; sha256 6958fc64b59a0a3d600f84acb5be99be6d49b4d9651f3d6aaf050a99ae3bfbb2." ;
    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 "2026-10-19T13:42:26.056015"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Source: Forum Virium Helsinki, Uiras, CC BY 4.0" ] ;
    dct:title "helsinki model.linkml.yaml" ;
    spdx:checksum [ a spdx:Checksum ;
            spdx:algorithm spdx:checksumAlgorithm_sha256 ;
            spdx:checksumValue "6958fc64b59a0a3d600f84acb5be99be6d49b4d9651f3d6aaf050a99ae3bfbb2"^^xsd:hexBinary ] ;
    dcat:accessURL <https://api.dev.joinedcontext.com/api/endpoint/w5vgo2mi6phigetdq3pvvcjgznw73hji/schema/v1/model.linkml.yaml> ;
    dcat:byteSize "4411"^^xsd:nonNegativeInteger ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/text/yaml> .

<https://opendata.dev.joinedcontext.com/dataset/6884ede2-e068-49af-a39d-117c9d512202/resource/91632dbb-e9ca-464b-8bdd-3af10f52a8b6> 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/w5vgo2mi6phigetdq3pvvcjgznw73hji/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/w5vgo2mi6phigetdq3pvvcjgznw73hji/ogc/features/. With curl:

    curl 'https://api.dev.joinedcontext.com/api/endpoint/w5vgo2mi6phigetdq3pvvcjgznw73hji/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/w5vgo2mi6phigetdq3pvvcjgznw73hji""" ;
    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 "2026-10-19T13:42:26.055749"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Source: Forum Virium Helsinki, Uiras, 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/w5vgo2mi6phigetdq3pvvcjgznw73hji/ogc/features/> ;
            dcat:servesDataset <https://opendata.dev.joinedcontext.com/dataset/6884ede2-e068-49af-a39d-117c9d512202> ] ;
    dcat:accessURL <https://api.dev.joinedcontext.com/api/endpoint/w5vgo2mi6phigetdq3pvvcjgznw73hji/ogc/features/> ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/application/geo+json> .

<https://opendata.dev.joinedcontext.com/dataset/6884ede2-e068-49af-a39d-117c9d512202/resource/9771d61a-eb46-43f0-b777-f2fbc84be08a> a dcat:Distribution ;
    dct:description "The data model as JSON-LD; sha256 35a864d9509e2ae528489cbf60ca7704c1b8d02a0b02fe2937806a978af9a002." ;
    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 "2026-10-19T13:42:26.055976"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Source: Forum Virium Helsinki, Uiras, CC BY 4.0" ] ;
    dct:title "helsinki context.jsonld" ;
    spdx:checksum [ a spdx:Checksum ;
            spdx:algorithm spdx:checksumAlgorithm_sha256 ;
            spdx:checksumValue "35a864d9509e2ae528489cbf60ca7704c1b8d02a0b02fe2937806a978af9a002"^^xsd:hexBinary ] ;
    dcat:accessURL <https://api.dev.joinedcontext.com/api/endpoint/w5vgo2mi6phigetdq3pvvcjgznw73hji/schema/v1/context.jsonld> ;
    dcat:byteSize "835"^^xsd:nonNegativeInteger ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/application/ld+json> .

<https://opendata.dev.joinedcontext.com/dataset/6884ede2-e068-49af-a39d-117c9d512202/resource/9c726539-bfb3-4ce3-ab77-ffd280ffb8c4> a dcat:Distribution ;
    dct:description "The data model as OWL; sha256 fc550186de1a5d19c59a7afb496580e10ab49158afd09b75231ef491eefcc1c5." ;
    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 "2026-10-19T13:42:26.056116"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Source: Forum Virium Helsinki, Uiras, CC BY 4.0" ] ;
    dct:title "helsinki model.owl.ttl" ;
    spdx:checksum [ a spdx:Checksum ;
            spdx:algorithm spdx:checksumAlgorithm_sha256 ;
            spdx:checksumValue "fc550186de1a5d19c59a7afb496580e10ab49158afd09b75231ef491eefcc1c5"^^xsd:hexBinary ] ;
    dcat:accessURL <https://api.dev.joinedcontext.com/api/endpoint/w5vgo2mi6phigetdq3pvvcjgznw73hji/schema/v1/model.owl.ttl> ;
    dcat:byteSize "2084"^^xsd:nonNegativeInteger ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/text/turtle> .

<https://opendata.dev.joinedcontext.com/dataset/6884ede2-e068-49af-a39d-117c9d512202/resource/a005b6f9-d442-48ae-9591-b17fd74cf410> a dcat:Distribution ;
    dct:description "The data model as RDF; sha256 cc7b4b6b648512d5cabbfa7dfa238a8be606a07bdf9e2a2a9469fbb453ab3791." ;
    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 "2026-10-19T13:42:26.056172"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Source: Forum Virium Helsinki, Uiras, CC BY 4.0" ] ;
    dct:title "helsinki model.rdf.ttl" ;
    spdx:checksum [ a spdx:Checksum ;
            spdx:algorithm spdx:checksumAlgorithm_sha256 ;
            spdx:checksumValue "cc7b4b6b648512d5cabbfa7dfa238a8be606a07bdf9e2a2a9469fbb453ab3791"^^xsd:hexBinary ] ;
    dcat:accessURL <https://api.dev.joinedcontext.com/api/endpoint/w5vgo2mi6phigetdq3pvvcjgznw73hji/schema/v1/model.rdf.ttl> ;
    dcat:byteSize "1106"^^xsd:nonNegativeInteger ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/text/turtle> .

<https://opendata.dev.joinedcontext.com/dataset/6884ede2-e068-49af-a39d-117c9d512202/resource/af5beafe-06bd-4a9e-bf1c-81b600e7320c> a dcat:Distribution ;
    dct:description "The data model as JSON Schema; sha256 14256d9f921105a2a08a5cc8991e9c9a19f1e0dfa90e35048183672b5c1afe6b." ;
    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 "2026-10-19T13:42:26.056247"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Source: Forum Virium Helsinki, Uiras, CC BY 4.0" ] ;
    dct:title "helsinki model.schema.json" ;
    spdx:checksum [ a spdx:Checksum ;
            spdx:algorithm spdx:checksumAlgorithm_sha256 ;
            spdx:checksumValue "14256d9f921105a2a08a5cc8991e9c9a19f1e0dfa90e35048183672b5c1afe6b"^^xsd:hexBinary ] ;
    dcat:accessURL <https://api.dev.joinedcontext.com/api/endpoint/w5vgo2mi6phigetdq3pvvcjgznw73hji/schema/v1/model.schema.json> ;
    dcat:byteSize "1892"^^xsd:nonNegativeInteger ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/application/schema+json> .

<https://opendata.dev.joinedcontext.com/dataset/6884ede2-e068-49af-a39d-117c9d512202/resource/c7c68b31-2b68-40c0-8838-a603d75cb25b> a dcat:Distribution ;
    dct:description "The data model as Markdown; sha256 88df637a54ef911ece3457945b53763af81f17799d5f3c6f30453f1813e1c1ba." ;
    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 "2026-10-19T13:42:26.056061"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Source: Forum Virium Helsinki, Uiras, CC BY 4.0" ] ;
    dct:title "helsinki model.md" ;
    spdx:checksum [ a spdx:Checksum ;
            spdx:algorithm spdx:checksumAlgorithm_sha256 ;
            spdx:checksumValue "88df637a54ef911ece3457945b53763af81f17799d5f3c6f30453f1813e1c1ba"^^xsd:hexBinary ] ;
    dcat:accessURL <https://api.dev.joinedcontext.com/api/endpoint/w5vgo2mi6phigetdq3pvvcjgznw73hji/schema/v1/model.md> ;
    dcat:byteSize "1154"^^xsd:nonNegativeInteger ;
    dcat:mediaType <http://www.iana.org/assignments/media-types/text/markdown> .

<https://opendata.dev.joinedcontext.com/dataset/6884ede2-e068-49af-a39d-117c9d512202/resource/e5cfcffe-4f30-45a9-a513-592d893f68b1> 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 "2026-10-19T14:42:56.840486"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Source: Forum Virium Helsinki, Uiras, CC BY 4.0" ] ;
    dct:title "WaterQualityObserved" ;
    dcat:accessURL <https://opendata.dev.joinedcontext.com/datastore/dump/e5cfcffe-4f30-45a9-a513-592d893f68b1> .

<https://opendata.dev.joinedcontext.com/dataset/6884ede2-e068-49af-a39d-117c9d512202/resource/f49031b5-557c-469f-9d74-248894bac4ca> 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 WaterQualityObserved entities:

    curl -H 'Accept: application/ld+json' 'https://api.dev.joinedcontext.com/api/endpoint/w5vgo2mi6phigetdq3pvvcjgznw73hji/ngsi-ld/v1/entities?type=WaterQualityObserved&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/w5vgo2mi6phigetdq3pvvcjgznw73hji""" ;
    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 "2026-10-19T13:42:26.055522"^^xsd:dateTime ;
    dct:rights [ a dct:RightsStatement ;
            rdfs:label "Source: Forum Virium Helsinki, Uiras, 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/w5vgo2mi6phigetdq3pvvcjgznw73hji/ngsi-ld/v1/> ;
            dcat:servesDataset <https://opendata.dev.joinedcontext.com/dataset/6884ede2-e068-49af-a39d-117c9d512202> ] ;
    dcat:accessURL <https://api.dev.joinedcontext.com/api/endpoint/w5vgo2mi6phigetdq3pvvcjgznw73hji/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 .

<https://www.hel.fi/> a foaf:Agent ;
    foaf:name "City of Helsinki" .

<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.dev.joinedcontext.com/api/endpoint/w5vgo2mi6phigetdq3pvvcjgznw73hji/mcp> a rdfs:Resource .

<https://api.dev.joinedcontext.com/api/endpoint/w5vgo2mi6phigetdq3pvvcjgznw73hji/ngsi-ld/v1/> a rdfs:Resource .

<https://api.dev.joinedcontext.com/api/endpoint/w5vgo2mi6phigetdq3pvvcjgznw73hji/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.dev.joinedcontext.com/dataset/6884ede2-e068-49af-a39d-117c9d512202> a dcat:Dataset ;
    dct:accrualPeriodicity <http://publications.europa.eu/resource/authority/frequency/HOURLY> ;
    dct:conformsTo <https://www.w3.org/TR/json-ld11/> ;
    dct:description "Water temperature at the beaches from their sensors. Each reading references its beach. Source: Forum Virium Helsinki, Uiras, CC BY 4.0." ;
    dct:identifier "w5vgo2mi6phigetdq3pvvcjgznw73hji" ;
    dct:issued "2026-09-28T00:00:00+00:00"^^xsd:dateTime ;
    dct:modified "2026-10-19T14:42:56.833919"^^xsd:dateTime ;
    dct:publisher <https://www.hel.fi/> ;
    dct:source <https://iot.fvh.fi/opendata/uiras/uiras_latest.geojson> ;
    dct:spatial <http://data.europa.eu/nuts/code/FI1B1> ;
    dct:title "Beach water — Helsinki" ;
    dcat:contactPoint [ a vcard:Kind,
                vcard:Organization ;
            vcard:fn "joinedcontext" ;
            vcard:hasEmail <mailto:hello@joinedcontext.com> ] ;
    dcat:distribution <https://opendata.dev.joinedcontext.com/dataset/6884ede2-e068-49af-a39d-117c9d512202/resource/06771f96-26a9-4a4f-a664-eefa8ecac2e7>,
        <https://opendata.dev.joinedcontext.com/dataset/6884ede2-e068-49af-a39d-117c9d512202/resource/527e8b59-e827-41fa-b51b-407bc4b96dc0>,
        <https://opendata.dev.joinedcontext.com/dataset/6884ede2-e068-49af-a39d-117c9d512202/resource/60d26111-6626-4626-b017-9ebf84e27b93>,
        <https://opendata.dev.joinedcontext.com/dataset/6884ede2-e068-49af-a39d-117c9d512202/resource/6fb97b4b-4164-419b-8e54-44357a697927>,
        <https://opendata.dev.joinedcontext.com/dataset/6884ede2-e068-49af-a39d-117c9d512202/resource/766a5424-a0e4-44e8-b182-e0a86c92d937>,
        <https://opendata.dev.joinedcontext.com/dataset/6884ede2-e068-49af-a39d-117c9d512202/resource/8e6a0173-39c7-444a-b827-a3c2dad7eeca>,
        <https://opendata.dev.joinedcontext.com/dataset/6884ede2-e068-49af-a39d-117c9d512202/resource/90b59f30-215b-4b63-a87d-9cc64e1c1ba9>,
        <https://opendata.dev.joinedcontext.com/dataset/6884ede2-e068-49af-a39d-117c9d512202/resource/91632dbb-e9ca-464b-8bdd-3af10f52a8b6>,
        <https://opendata.dev.joinedcontext.com/dataset/6884ede2-e068-49af-a39d-117c9d512202/resource/9771d61a-eb46-43f0-b777-f2fbc84be08a>,
        <https://opendata.dev.joinedcontext.com/dataset/6884ede2-e068-49af-a39d-117c9d512202/resource/9c726539-bfb3-4ce3-ab77-ffd280ffb8c4>,
        <https://opendata.dev.joinedcontext.com/dataset/6884ede2-e068-49af-a39d-117c9d512202/resource/a005b6f9-d442-48ae-9591-b17fd74cf410>,
        <https://opendata.dev.joinedcontext.com/dataset/6884ede2-e068-49af-a39d-117c9d512202/resource/af5beafe-06bd-4a9e-bf1c-81b600e7320c>,
        <https://opendata.dev.joinedcontext.com/dataset/6884ede2-e068-49af-a39d-117c9d512202/resource/c7c68b31-2b68-40c0-8838-a603d75cb25b>,
        <https://opendata.dev.joinedcontext.com/dataset/6884ede2-e068-49af-a39d-117c9d512202/resource/e5cfcffe-4f30-45a9-a513-592d893f68b1>,
        <https://opendata.dev.joinedcontext.com/dataset/6884ede2-e068-49af-a39d-117c9d512202/resource/f49031b5-557c-469f-9d74-248894bac4ca> ;
    dcat:keyword "badstränder",
        "beaches",
        "uimarannat",
        "vattentemperatur",
        "veden lämpötila",
        "water temperature" ;
    dcat:landingPage <https://api.dev.joinedcontext.com/api/endpoint/w5vgo2mi6phigetdq3pvvcjgznw73hji/> ;
    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 beach-water" ] .

<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 .