@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 "Transport"@en . 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:MediaType . a dct:Standard . a foaf:Document . a dct:Standard . a dcat:Distribution ; dct:description "The data model as Markdown; sha256 19e48cadfce8333b9310834bb0775341ba410896433a15b3c883fa8991f9ad71." ; dct:format ; dct:issued "2026-09-20T07:34:09+00:00"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-20T08:39:27.792349"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: Fintraffic / digitraffic.fi, CC BY 4.0" ] ; dct:title "helsinki model.md" ; spdx:checksum [ a spdx:Checksum ; spdx:algorithm spdx:checksumAlgorithm_sha256 ; spdx:checksumValue "19e48cadfce8333b9310834bb0775341ba410896433a15b3c883fa8991f9ad71"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "1252"^^xsd:nonNegativeInteger ; dcat:mediaType . a dcat:Distribution ; dct:description "The data model as RDF; sha256 c206c2b55ea2863ff5cfd920d0d632153aeb616d61aa2ef934f774a1b3b44c14." ; dct:format ; dct:issued "2026-09-20T07:34:09+00:00"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-20T08:39:27.792556"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: Fintraffic / digitraffic.fi, CC BY 4.0" ] ; dct:title "helsinki model.rdf.ttl" ; spdx:checksum [ a spdx:Checksum ; spdx:algorithm spdx:checksumAlgorithm_sha256 ; spdx:checksumValue "c206c2b55ea2863ff5cfd920d0d632153aeb616d61aa2ef934f774a1b3b44c14"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "1456"^^xsd:nonNegativeInteger ; 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 "2026-09-20T07:34:09+00:00"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-20T08:39:27.792027"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: Fintraffic / digitraffic.fi, CC BY 4.0" ] ; dct:title "Schema artifacts" ; dcat:accessURL ; dcat:mediaType . a dcat:Distribution ; dct:description "The data model as JSON-LD; sha256 0bfc37f83e90d171f1e7c7319b5c79418ed2d7455f20987a84b4e4098bb8b552." ; dct:format ; dct:issued "2026-09-20T07:34:09+00:00"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-20T08:39:27.792132"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: Fintraffic / digitraffic.fi, CC BY 4.0" ] ; dct:title "helsinki context.jsonld" ; spdx:checksum [ a spdx:Checksum ; spdx:algorithm spdx:checksumAlgorithm_sha256 ; spdx:checksumValue "0bfc37f83e90d171f1e7c7319b5c79418ed2d7455f20987a84b4e4098bb8b552"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "1342"^^xsd:nonNegativeInteger ; dcat:mediaType . a dcat:Distribution ; dct:description "The data model as SHACL; sha256 eb041a22550cefd03fc08649348a9ed7d7b9ec9d1c8fcb731c134bc0c5352068." ; dct:format ; dct:issued "2026-09-20T07:34:09+00:00"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-20T08:39:27.792827"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: Fintraffic / digitraffic.fi, CC BY 4.0" ] ; dct:title "helsinki model.shacl.ttl" ; spdx:checksum [ a spdx:Checksum ; spdx:algorithm spdx:checksumAlgorithm_sha256 ; spdx:checksumValue "eb041a22550cefd03fc08649348a9ed7d7b9ec9d1c8fcb731c134bc0c5352068"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "4392"^^xsd:nonNegativeInteger ; dcat:mediaType . a dcat:Distribution ; dct:description "The data model as LinkML; sha256 fc9479342dd52019b2d719c5566ae731d11c8dbd10a8a710c04327fc23a68d58." ; dct:format ; dct:issued "2026-09-20T07:34:09+00:00"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-20T08:39:27.792253"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: Fintraffic / digitraffic.fi, CC BY 4.0" ] ; dct:title "helsinki model.linkml.yaml" ; spdx:checksum [ a spdx:Checksum ; spdx:algorithm spdx:checksumAlgorithm_sha256 ; spdx:checksumValue "fc9479342dd52019b2d719c5566ae731d11c8dbd10a8a710c04327fc23a68d58"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "11327"^^xsd:nonNegativeInteger ; dcat:mediaType . a dcat:Distribution ; dct:format ; dct:issued "2026-09-20T07:34:09+00:00"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-20T14:51:26.172851"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: Fintraffic / digitraffic.fi, CC BY 4.0" ] ; dct:title "WeatherObserved" ; dcat:accessURL . 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/6wrymzu5x2uwjo2xqei66ppw53mafvbu. 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-weather":{"type":"http","url":"https://api.smartcity.joinedcontext.com/api/endpoint/6wrymzu5x2uwjo2xqei66ppw53mafvbu/mcp"}}} """ ; dct:format ; dct:issued "2026-09-20T07:34:09+00:00"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-20T08:39:27.791558"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: Fintraffic / digitraffic.fi, 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 """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/6wrymzu5x2uwjo2xqei66ppw53mafvbu/odata/v4/. In Power BI: Get data, OData feed, the same URL. With curl: curl 'https://api.smartcity.joinedcontext.com/api/endpoint/6wrymzu5x2uwjo2xqei66ppw53mafvbu/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/6wrymzu5x2uwjo2xqei66ppw53mafvbu""" ; dct:issued "2026-09-20T07:34:09+00:00"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-20T08:39:27.791925"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: Fintraffic / digitraffic.fi, CC BY 4.0" ] ; dct:title "OData v4" ; dcat:accessURL ; dcat:mediaType . a dcat:Distribution ; dct:description "The data model as OWL; sha256 6f1d5cda6e0916913d4a55e1310192ebf8e50a90fa39fb39675d2ce2a70aa981." ; dct:format ; dct:issued "2026-09-20T07:34:09+00:00"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-20T08:39:27.792446"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: Fintraffic / digitraffic.fi, CC BY 4.0" ] ; dct:title "helsinki model.owl.ttl" ; spdx:checksum [ a spdx:Checksum ; spdx:algorithm spdx:checksumAlgorithm_sha256 ; spdx:checksumValue "6f1d5cda6e0916913d4a55e1310192ebf8e50a90fa39fb39675d2ce2a70aa981"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "2479"^^xsd:nonNegativeInteger ; 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.smartcity.joinedcontext.com/api/endpoint/6wrymzu5x2uwjo2xqei66ppw53mafvbu/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/6wrymzu5x2uwjo2xqei66ppw53mafvbu/ogc/features/. With curl: curl 'https://api.smartcity.joinedcontext.com/api/endpoint/6wrymzu5x2uwjo2xqei66ppw53mafvbu/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/6wrymzu5x2uwjo2xqei66ppw53mafvbu""" ; dct:format ; dct:issued "2026-09-20T07:34:09+00:00"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-20T08:39:27.791794"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: Fintraffic / digitraffic.fi, 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 JSON Schema; sha256 6e24f54750f5f5ee059a39675ff80a668c8bfa0925e955a8d2590348081c135c." ; dct:format ; dct:issued "2026-09-20T07:34:09+00:00"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-20T08:39:27.792734"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: Fintraffic / digitraffic.fi, CC BY 4.0" ] ; dct:title "helsinki model.schema.json" ; spdx:checksum [ a spdx:Checksum ; spdx:algorithm spdx:checksumAlgorithm_sha256 ; spdx:checksumValue "6e24f54750f5f5ee059a39675ff80a668c8bfa0925e955a8d2590348081c135c"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "2250"^^xsd:nonNegativeInteger ; 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.smartcity.joinedcontext.com/api/endpoint/6wrymzu5x2uwjo2xqei66ppw53mafvbu/ws' {"metadata":{"x-op":"x-subscribe","x-id":"s1"},"body":{"type":"Subscription","entities":[{"type":"WeatherObserved"}]}} 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 "2026-09-20T07:34:09+00:00"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-20T08:39:27.791677"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: Fintraffic / digitraffic.fi, CC BY 4.0" ] ; dct:title "Live updates over WebSocket" ; dcat:accessURL ; 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 WeatherObserved entities: curl -H 'Accept: application/ld+json' 'https://api.smartcity.joinedcontext.com/api/endpoint/6wrymzu5x2uwjo2xqei66ppw53mafvbu/ngsi-ld/v1/entities?type=WeatherObserved&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/6wrymzu5x2uwjo2xqei66ppw53mafvbu""" ; dct:format ; dct:issued "2026-09-20T07:34:09+00:00"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-20T08:39:27.791241"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: Fintraffic / digitraffic.fi, 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.smartcity.joinedcontext.com/api/endpoint/6wrymzu5x2uwjo2xqei66ppw53mafvbu/file.csv' Open to anyone, with no sign-in.""" ; dct:format ; dct:issued "2026-09-20T07:34:09+00:00"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-20T08:39:27.791412"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: Fintraffic / digitraffic.fi, CC BY 4.0" ] ; dct:title "CSV" ; dcat:accessURL ; dcat:mediaType . a dcat:Dataset ; dct:description "Fintraffic's road weather station observations, CC BY 4.0." ; dct:title "Digitraffic road weather stations" . a dct:Standard . a foaf:Agent ; foaf:name "City of Helsinki" . a dct:Standard . a dct:MediaTypeOrExtent . a dct:MediaTypeOrExtent . a dct:MediaTypeOrExtent . a rdfs:Resource . a rdfs:Resource . a rdfs:Resource . a dct:MediaTypeOrExtent . a dct:MediaType . a dcat:Dataset ; dct:accrualPeriodicity ; dct:conformsTo ; dct:description "Road weather station readings in Helsinki, Espoo and Vantaa: air and road temperature, wind and road conditions. Source: Fintraffic / digitraffic.fi, CC BY 4.0." ; dct:identifier "6wrymzu5x2uwjo2xqei66ppw53mafvbu" ; dct:issued "2026-09-20T07:34:09+00:00"^^xsd:dateTime ; dct:modified "2026-10-20T14:51:26.160801"^^xsd:dateTime ; dct:publisher ; dct:source ; dct:spatial ; dct:title "Helsinki road weather" ; dcat:contactPoint [ a vcard:Kind, vcard:Organization ; vcard:fn "joinedcontext" ; vcard:hasEmail ] ; dcat:distribution , , , , , , , , , , , , , , ; dcat:keyword "road conditions", "road weather", "sää", "tieolosuhteet", "tiesää", "väder", "vägförhållanden", "väglag", "weather" ; dcat:landingPage ; dcat:theme , ; prov:wasGeneratedBy [ a prov:Activity ; rdfs:label "pipeline road-weather" ] . a dct:MediaType . spdx:checksumAlgorithm_sha256 a spdx:ChecksumAlgorithm . a dct:LicenseDocument .