@prefix dcat: . @prefix dct: . @prefix foaf: . @prefix rdfs: . @prefix skos: . @prefix spdx: . @prefix vcard: . @prefix xsd: . a dct:Location . a skos:Concept ; skos:prefLabel "Regions and cities"@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 dcat:Dataset ; dct:description "A WFS layer of the city's map service, as GeoJSON." ; dct:title "City districts" . a dcat:Dataset ; dct:description "A WFS layer of the city's map service, as GeoJSON." ; dct:title "City sub-districts" . a dct:Standard . a dcat:Distribution ; dct:description "The data model as OWL; sha256 2f44b6576a34bf015ae9d1b95e3e06a9394ecca277efdf9292d0f5f7bd389fb4." ; dct:format ; dct:issued "2026-09-28T00:00:00+00:00"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-20T08:13:55.601284"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, CC BY 4.0" ] ; dct:title "helsinki model.owl.ttl" ; spdx:checksum [ a spdx:Checksum ; spdx:algorithm spdx:checksumAlgorithm_sha256 ; spdx:checksumValue "2f44b6576a34bf015ae9d1b95e3e06a9394ecca277efdf9292d0f5f7bd389fb4"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "2201"^^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 AdministrativeArea entities: curl -H 'Accept: application/ld+json' 'https://api.smartcity.joinedcontext.com/api/endpoint/s3luopgog5nkxcpykwxdvhw22iis5n7e/ngsi-ld/v1/entities?type=AdministrativeArea&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/s3luopgog5nkxcpykwxdvhw22iis5n7e""" ; dct:format ; dct:issued "2026-09-28T00:00:00+00:00"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-20T08:13:55.599740"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, 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 "The data model as JSON Schema; sha256 a68ec960b93b0abaa43682963840c4ef3d76b99c8c19c55f6740a3aa1b943f3f." ; dct:format ; dct:issued "2026-09-28T00:00:00+00:00"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-20T08:13:55.601545"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, CC BY 4.0" ] ; dct:title "helsinki model.schema.json" ; spdx:checksum [ a spdx:Checksum ; spdx:algorithm spdx:checksumAlgorithm_sha256 ; spdx:checksumValue "a68ec960b93b0abaa43682963840c4ef3d76b99c8c19c55f6740a3aa1b943f3f"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "2180"^^xsd:nonNegativeInteger ; dcat:mediaType . a dcat:Distribution ; dct:description "The data model as LinkML; sha256 fa7d671336b2025a5b40b2adf13ad8199d3a3c74ea7754e5103012f9a89df6a4." ; dct:format ; dct:issued "2026-09-28T00:00:00+00:00"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-20T08:13:55.601009"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, CC BY 4.0" ] ; dct:title "helsinki model.linkml.yaml" ; spdx:checksum [ a spdx:Checksum ; spdx:algorithm spdx:checksumAlgorithm_sha256 ; spdx:checksumValue "fa7d671336b2025a5b40b2adf13ad8199d3a3c74ea7754e5103012f9a89df6a4"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "4548"^^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/s3luopgog5nkxcpykwxdvhw22iis5n7e/ws' {"metadata":{"x-op":"x-subscribe","x-id":"s1"},"body":{"type":"Subscription","entities":[{"type":"AdministrativeArea"}]}} 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 ; dct:modified "2026-10-20T08:13:55.600142"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, 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 a9c1cc4b890b78ce9e3353a4900edce608f49da39c2fba5ac997cce7db368b98." ; dct:format ; dct:issued "2026-09-28T00:00:00+00:00"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-20T08:13:55.600834"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, CC BY 4.0" ] ; dct:title "helsinki context.jsonld" ; spdx:checksum [ a spdx:Checksum ; spdx:algorithm spdx:checksumAlgorithm_sha256 ; spdx:checksumValue "a9c1cc4b890b78ce9e3353a4900edce608f49da39c2fba5ac997cce7db368b98"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "694"^^xsd:nonNegativeInteger ; dcat:mediaType . a dcat:Distribution ; dct:description "The data model as Markdown; sha256 2fe6cc84e80da3c1c9cb5387e70992563d3103a639030e2ede1337207e659c3f." ; dct:format ; dct:issued "2026-09-28T00:00:00+00:00"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-20T08:13:55.601147"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, CC BY 4.0" ] ; dct:title "helsinki model.md" ; spdx:checksum [ a spdx:Checksum ; spdx:algorithm spdx:checksumAlgorithm_sha256 ; spdx:checksumValue "2fe6cc84e80da3c1c9cb5387e70992563d3103a639030e2ede1337207e659c3f"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "1423"^^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 "2026-09-28T00:00:00+00:00"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-20T08:13:55.600694"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, CC BY 4.0" ] ; dct:title "Schema artifacts" ; 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/s3luopgog5nkxcpykwxdvhw22iis5n7e/file.csv' Open to anyone, with no sign-in.""" ; dct:format ; dct:issued "2026-09-28T00:00:00+00:00"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-20T08:13:55.599988"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, CC BY 4.0" ] ; dct:title "CSV" ; dcat:accessURL ; dcat:mediaType . a dcat:Distribution ; dct:description "The data model as RDF; sha256 f64023913e0b6193f59806004fba5633a3a64c6196a16a0d037f349fd20d4df1." ; dct:format ; dct:issued "2026-09-28T00:00:00+00:00"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-20T08:13:55.601415"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, CC BY 4.0" ] ; dct:title "helsinki model.rdf.ttl" ; spdx:checksum [ a spdx:Checksum ; spdx:algorithm spdx:checksumAlgorithm_sha256 ; spdx:checksumValue "f64023913e0b6193f59806004fba5633a3a64c6196a16a0d037f349fd20d4df1"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "1123"^^xsd:nonNegativeInteger ; dcat:mediaType . a dcat:Distribution ; dct:description "The data model as SHACL; sha256 7751a5a8c63582ad8b4423dba08e88fd4cf7f4fead4c739253ca49da93e06dda." ; dct:format ; dct:issued "2026-09-28T00:00:00+00:00"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-20T08:13:55.601687"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, CC BY 4.0" ] ; dct:title "helsinki model.shacl.ttl" ; spdx:checksum [ a spdx:Checksum ; spdx:algorithm spdx:checksumAlgorithm_sha256 ; spdx:checksumValue "7751a5a8c63582ad8b4423dba08e88fd4cf7f4fead4c739253ca49da93e06dda"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "3106"^^xsd:nonNegativeInteger ; dcat:mediaType . 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/s3luopgog5nkxcpykwxdvhw22iis5n7e. 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-districts":{"type":"http","url":"https://api.smartcity.joinedcontext.com/api/endpoint/s3luopgog5nkxcpykwxdvhw22iis5n7e/mcp"}}} """ ; dct:format ; dct:issued "2026-09-28T00:00:00+00:00"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-20T08:13:55.600549"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, 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/s3luopgog5nkxcpykwxdvhw22iis5n7e/odata/v4/. In Power BI: Get data, OData feed, the same URL. With curl: curl 'https://api.smartcity.joinedcontext.com/api/endpoint/s3luopgog5nkxcpykwxdvhw22iis5n7e/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/s3luopgog5nkxcpykwxdvhw22iis5n7e""" ; dct:issued "2026-09-28T00:00:00+00:00"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-20T08:13:55.600414"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, CC BY 4.0" ] ; dct:title "OData v4" ; dcat:accessURL ; dcat:mediaType . a dcat:Distribution ; dct:format ; dct:issued "2026-09-28T00:00:00+00:00"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-18T23:53:11.945401"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, CC BY 4.0" ] ; dct:title "AdministrativeArea" ; dcat:accessURL . 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/s3luopgog5nkxcpykwxdvhw22iis5n7e/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/s3luopgog5nkxcpykwxdvhw22iis5n7e/ogc/features/. With curl: curl 'https://api.smartcity.joinedcontext.com/api/endpoint/s3luopgog5nkxcpykwxdvhw22iis5n7e/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/s3luopgog5nkxcpykwxdvhw22iis5n7e""" ; dct:format ; dct:issued "2026-09-28T00:00:00+00:00"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-20T08:13:55.600280"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, 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 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 "The city districts and sub-districts with their boundaries. Source: City of Helsinki, CC BY 4.0." ; dct:identifier "s3luopgog5nkxcpykwxdvhw22iis5n7e" ; dct:issued "2026-09-28T00:00:00+00:00"^^xsd:dateTime ; dct:modified "2026-10-20T08:13:55.581885"^^xsd:dateTime ; dct:publisher ; dct:source , ; dct:spatial ; dct:title "City districts — Helsinki" ; dcat:contactPoint [ a vcard:Kind, vcard:Organization ; vcard:fn "joinedcontext" ; vcard:hasEmail ] ; dcat:distribution , , , , , , , , , , , , , , ; dcat:keyword "delområden", "districts", "kaupunginosat", "osa-alueet", "stadsdelar", "sub-districts" ; dcat:landingPage ; dcat:theme . a dct:MediaType . spdx:checksumAlgorithm_sha256 a spdx:ChecksumAlgorithm . a dct:LicenseDocument .