@prefix dcat: . @prefix dct: . @prefix foaf: . @prefix prov: . @prefix rdfs: . @prefix skos: . @prefix spdx: . @prefix vcard: . @prefix xsd: . a dct:Location . a skos:Concept ; skos:prefLabel "Environment"@en . a skos:Concept ; skos:prefLabel "Health"@en . a dct:MediaTypeOrExtent . a dct:MediaTypeOrExtent . a dct:MediaTypeOrExtent . a dct:MediaTypeOrExtent . a dct:MediaTypeOrExtent . a dct:Frequency . a dct:MediaType . a dct:MediaType . a dct:MediaType . a dct:MediaType . a dct:MediaType . a dct:Standard . a dcat:Dataset ; dct:description "The beaches' sensors' latest water temperatures as GeoJSON." ; dct:title "Beach water temperature (Uiras)" . a dct:Standard . a dcat:Distribution ; dct:description "The data model as LinkML; sha256 baa26800dd2aca08055a28e00a936740f6d401ebd3d804fbe4aebc5a0f38e28b." ; dct:format ; dct:issued "2026-11-02T17:07:00.451572"^^xsd:dateTime ; dct:license ; dct:modified "2026-11-03T07:09:30.755840"^^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 "baa26800dd2aca08055a28e00a936740f6d401ebd3d804fbe4aebc5a0f38e28b"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "4661"^^xsd:nonNegativeInteger ; dcat:mediaType . a dcat:Distribution ; dct:description "The data model as Markdown; sha256 af2b0d8b08f8eab17eca6998ca33da791b3e158235a6f6e6aeaba16286cfa797." ; dct:format ; dct:issued "2026-11-02T17:07:00.451572"^^xsd:dateTime ; dct:license ; dct:modified "2026-11-03T07:09:30.755893"^^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 "af2b0d8b08f8eab17eca6998ca33da791b3e158235a6f6e6aeaba16286cfa797"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "1028"^^xsd:nonNegativeInteger ; dcat:mediaType . a dcat:Distribution ; dct:description "The data model as OWL; sha256 14a7537112c915629a447f741e2a17f9aca79c0294574c4dd39f2c9cd23a3d47." ; dct:format ; dct:issued "2026-11-02T17:07:00.451572"^^xsd:dateTime ; dct:license ; dct:modified "2026-11-03T07:09:30.755945"^^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 "14a7537112c915629a447f741e2a17f9aca79c0294574c4dd39f2c9cd23a3d47"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "1975"^^xsd:nonNegativeInteger ; dcat:mediaType . a dcat:Distribution ; dct:description "The data model as JSON Schema; sha256 f8e2e04d51b4ec0b11dd0abde82af88682b9fb9f0b9d2f7822eac23b6bfef683." ; dct:format ; dct:issued "2026-11-02T17:07:00.451572"^^xsd:dateTime ; dct:license ; dct:modified "2026-11-03T07:09:30.756053"^^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 "f8e2e04d51b4ec0b11dd0abde82af88682b9fb9f0b9d2f7822eac23b6bfef683"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "1765"^^xsd:nonNegativeInteger ; dcat:mediaType . a dcat:Distribution ; dct:description "The Endpoint's own DCAT-AP 3.0 description, which this dataset is published from (EP-63)." ; dct:format ; dct:issued "2026-11-02T17:07:00.451572"^^xsd:dateTime ; dct:license ; dct:modified "2026-11-03T07:09:30.755729"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: Forum Virium Helsinki, Uiras, CC BY 4.0" ] ; dct:title "DCAT-AP record" ; dcat:accessURL ; dcat:mediaType . 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.stage.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.stage.joinedcontext.com/api/endpoint/w5vgo2mi6phigetdq3pvvcjgznw73hji/ogc/features/. With curl: curl 'https://api.stage.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.stage.joinedcontext.com/d/w5vgo2mi6phigetdq3pvvcjgznw73hji""" ; dct:format ; dct:issued "2026-11-02T17:07:00.451572"^^xsd:dateTime ; dct:license ; dct:modified "2026-11-03T07:09:30.755513"^^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 ; dct:title "OGC API - Features" ; dcat:endpointURL ; dcat:servesDataset ] ; dcat:accessURL ; dcat:mediaType . a dcat:Distribution ; dct:description "The data model as SHACL; sha256 ae7e79fa6ba660b70e4239c145363fcc54b9b540e0970f8e007e65b9093be34f." ; dct:format ; dct:issued "2026-11-02T17:07:00.451572"^^xsd:dateTime ; dct:license ; dct:modified "2026-11-03T07:09:30.756107"^^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 "ae7e79fa6ba660b70e4239c145363fcc54b9b540e0970f8e007e65b9093be34f"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "2960"^^xsd:nonNegativeInteger ; dcat:mediaType . a dcat:Distribution ; dct:description "The data model as RDF; sha256 74d8da7320b03e26a375df05a8836ff7563459539500b6384058601e93215065." ; dct:format ; dct:issued "2026-11-02T17:07:00.451572"^^xsd:dateTime ; dct:license ; dct:modified "2026-11-03T07:09:30.755999"^^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 "74d8da7320b03e26a375df05a8836ff7563459539500b6384058601e93215065"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "1087"^^xsd:nonNegativeInteger ; dcat:mediaType . 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.stage.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.stage.joinedcontext.com/d/w5vgo2mi6phigetdq3pvvcjgznw73hji""" ; dct:format ; dct:issued "2026-11-02T17:07:00.451572"^^xsd:dateTime ; dct:license ; dct:modified "2026-11-03T07:09:30.755255"^^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 ; dct:title "NGSI-LD API" ; dcat:endpointURL ; dcat:servesDataset ] ; dcat:accessURL ; dcat:mediaType . a dcat:Distribution ; dct:description """A CSV table, generated on each download from the endpoint's live data. curl -o file.csv 'https://api.stage.joinedcontext.com/api/endpoint/w5vgo2mi6phigetdq3pvvcjgznw73hji/file.csv' Open to anyone, with no sign-in.""" ; dct:format ; dct:issued "2026-11-02T17:07:00.451572"^^xsd:dateTime ; dct:license ; dct:modified "2026-11-03T07:09:30.755380"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: Forum Virium Helsinki, Uiras, CC BY 4.0" ] ; dct:title "CSV" ; dcat:accessURL ; dcat:mediaType . a dcat:Distribution ; dct:description """For AI assistants: a Model Context Protocol server over this dataset's endpoint https://api.stage.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.stage.joinedcontext.com/api/endpoint/w5vgo2mi6phigetdq3pvvcjgznw73hji/mcp"}}} """ ; dct:format ; dct:issued "2026-11-02T17:07:00.451572"^^xsd:dateTime ; dct:license ; dct:modified "2026-11-03T07:09:30.755624"^^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 ; dct:title "Model Context Protocol" ; dcat:endpointURL ; dcat:servesDataset ] ; dcat:accessURL ; dcat:mediaType . 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.stage.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://stage.joinedcontext.com/docs/API/07-websocket""" ; dct:issued "2026-11-02T17:07:00.451572"^^xsd:dateTime ; dct:license ; dct:modified "2026-11-03T07:09:30.755444"^^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 ; dcat:mediaType . a dcat:Distribution ; dct:description "The data model as JSON-LD; sha256 84591be9269d6f75856299b085427417b3b5ad038d103b65d03fc615ee0666ce." ; dct:format ; dct:issued "2026-11-02T17:07:00.451572"^^xsd:dateTime ; dct:license ; dct:modified "2026-11-03T07:09:30.755784"^^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 "84591be9269d6f75856299b085427417b3b5ad038d103b65d03fc615ee0666ce"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "844"^^xsd:nonNegativeInteger ; dcat:mediaType . 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.stage.joinedcontext.com/api/endpoint/w5vgo2mi6phigetdq3pvvcjgznw73hji/odata/v4/. In Power BI: Get data, OData feed, the same URL. With curl: curl 'https://api.stage.joinedcontext.com/api/endpoint/w5vgo2mi6phigetdq3pvvcjgznw73hji/odata/v4/' Its entity sets: https://api.stage.joinedcontext.com/api/endpoint/w5vgo2mi6phigetdq3pvvcjgznw73hji/odata/v4/WaterQualityObserved. 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.stage.joinedcontext.com/d/w5vgo2mi6phigetdq3pvvcjgznw73hji""" ; dct:issued "2026-11-02T17:07:00.451572"^^xsd:dateTime ; dct:license ; dct:modified "2026-11-03T07:09:30.755569"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: Forum Virium Helsinki, Uiras, CC BY 4.0" ] ; dct:title "OData v4" ; dcat:accessURL ; dcat:mediaType . a dcat:Distribution ; dct:description "The data model in every formalism, for every model version, each artifact with its sha256 (EP-68)." ; dct:format ; dct:issued "2026-11-02T17:07:00.451572"^^xsd:dateTime ; dct:license ; dct:modified "2026-11-03T07:09:30.755677"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: Forum Virium Helsinki, Uiras, CC BY 4.0" ] ; dct:title "Schema artifacts" ; dcat:accessURL ; dcat:mediaType . a dct:Standard . a foaf:Agent ; foaf:name "City of Helsinki" . a dct:Standard . a dct:MediaTypeOrExtent . a dct:MediaType . a foaf:Document . a rdfs:Resource . a rdfs:Resource . a rdfs:Resource . a dct:MediaTypeOrExtent . a dct:MediaTypeOrExtent . a dct:MediaType . a dcat:Dataset ; dct:accrualPeriodicity ; dct:conformsTo ; 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 "2026-11-02T17:07:00.451572"^^xsd:dateTime ; dct:modified "2026-11-03T07:09:30.748347"^^xsd:dateTime ; dct:publisher ; dct:source ; dct:spatial ; dct:title "Beach water — Helsinki" ; dcat:contactPoint [ a vcard:Kind, vcard:Organization ; vcard:fn "joinedcontext" ; vcard:hasEmail ] ; dcat:distribution , , , , , , , , , , , , , , ; dcat:keyword "badstränder", "beaches", "uimarannat", "vattentemperatur", "veden lämpötila", "water temperature" ; dcat:landingPage ; dcat:theme , ; prov:wasGeneratedBy [ a prov:Activity ; rdfs:label "pipeline beach-water" ] . a dct:MediaType . spdx:checksumAlgorithm_sha256 a spdx:ChecksumAlgorithm . a dct:LicenseDocument .