@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 "Regions and cities"@en . a skos:Concept ; skos:prefLabel "Population and society"@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 dct:Standard . 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/hb4cgyuttzzhtgxangivybcsvjx747ui/file.csv' Open to anyone, with no sign-in.""" ; dct:format ; dct:issued "2026-10-23T14:35:37.969354"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-23T14:35:37.893360"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, Urban Research and Statistics (Aluesarjat), CC BY 4.0" ] ; dct:title "CSV" ; 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.dev.joinedcontext.com/api/endpoint/hb4cgyuttzzhtgxangivybcsvjx747ui/ws' {"metadata":{"x-op":"x-subscribe","x-id":"s1"},"body":{"type":"Subscription","watchedAttributes":["location"]}} 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 "2026-10-23T14:35:37.969354"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-23T14:35:37.893460"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, Urban Research and Statistics (Aluesarjat), 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 entity types it serves: curl -H 'Accept: application/ld+json' 'https://api.dev.joinedcontext.com/api/endpoint/hb4cgyuttzzhtgxangivybcsvjx747ui/ngsi-ld/v1/types' 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/hb4cgyuttzzhtgxangivybcsvjx747ui""" ; dct:format ; dct:issued "2026-10-23T14:35:37.969354"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-23T14:35:37.893198"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, Urban Research and Statistics (Aluesarjat), 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 cba06f4efb5b8da733007dd695bbce12dc902531ce8d79ccf9e642939ba22866." ; dct:format ; dct:issued "2026-10-23T14:35:37.969354"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-23T14:35:37.894252"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, Urban Research and Statistics (Aluesarjat), CC BY 4.0" ] ; dct:title "helsinki model.schema.json" ; spdx:checksum [ a spdx:Checksum ; spdx:algorithm spdx:checksumAlgorithm_sha256 ; spdx:checksumValue "cba06f4efb5b8da733007dd695bbce12dc902531ce8d79ccf9e642939ba22866"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "5334"^^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 "2026-10-23T14:35:37.969354"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-23T14:35:37.893713"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, Urban Research and Statistics (Aluesarjat), CC BY 4.0" ] ; dct:title "Schema artifacts" ; dcat:accessURL ; dcat:mediaType . a dcat:Distribution ; dct:description "The data model as SHACL; sha256 b5f8a59ebdaa8b7fd2569685f8c0675c90bf77cced7472aca8c8941b45162585." ; dct:format ; dct:issued "2026-10-23T14:35:37.969354"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-23T14:35:37.894315"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, Urban Research and Statistics (Aluesarjat), CC BY 4.0" ] ; dct:title "helsinki model.shacl.ttl" ; spdx:checksum [ a spdx:Checksum ; spdx:algorithm spdx:checksumAlgorithm_sha256 ; spdx:checksumValue "b5f8a59ebdaa8b7fd2569685f8c0675c90bf77cced7472aca8c8941b45162585"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "7487"^^xsd:nonNegativeInteger ; dcat:mediaType . 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/hb4cgyuttzzhtgxangivybcsvjx747ui. 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-statistics-population":{"type":"http","url":"https://api.dev.joinedcontext.com/api/endpoint/hb4cgyuttzzhtgxangivybcsvjx747ui/mcp"}}} """ ; dct:format ; dct:issued "2026-10-23T14:35:37.969354"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-23T14:35:37.893654"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, Urban Research and Statistics (Aluesarjat), 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.dev.joinedcontext.com/api/endpoint/hb4cgyuttzzhtgxangivybcsvjx747ui/odata/v4/. In Power BI: Get data, OData feed, the same URL. With curl: curl 'https://api.dev.joinedcontext.com/api/endpoint/hb4cgyuttzzhtgxangivybcsvjx747ui/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/hb4cgyuttzzhtgxangivybcsvjx747ui""" ; dct:issued "2026-10-23T14:35:37.969354"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-23T14:35:37.893594"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, Urban Research and Statistics (Aluesarjat), CC BY 4.0" ] ; dct:title "OData v4" ; dcat:accessURL ; dcat:mediaType . a dcat:Distribution ; dct:description "The data model as JSON-LD; sha256 3a902278a164541fd4f0f87eb09ea7ac020b548342f0fe5f83c4cfd1a9a8811a." ; dct:format ; dct:issued "2026-10-23T14:35:37.969354"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-23T14:35:37.893887"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, Urban Research and Statistics (Aluesarjat), CC BY 4.0" ] ; dct:title "helsinki context.jsonld" ; spdx:checksum [ a spdx:Checksum ; spdx:algorithm spdx:checksumAlgorithm_sha256 ; spdx:checksumValue "3a902278a164541fd4f0f87eb09ea7ac020b548342f0fe5f83c4cfd1a9a8811a"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "1925"^^xsd:nonNegativeInteger ; dcat:mediaType . a dcat:Distribution ; dct:description "The data model as Markdown; sha256 f9f1de5d5bacf0502e259b74ba2fa9e7618c4edb6a035812e2c478e325f83362." ; dct:format ; dct:issued "2026-10-23T14:35:37.969354"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-23T14:35:37.894042"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, Urban Research and Statistics (Aluesarjat), CC BY 4.0" ] ; dct:title "helsinki model.md" ; spdx:checksum [ a spdx:Checksum ; spdx:algorithm spdx:checksumAlgorithm_sha256 ; spdx:checksumValue "f9f1de5d5bacf0502e259b74ba2fa9e7618c4edb6a035812e2c478e325f83362"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "3792"^^xsd:nonNegativeInteger ; dcat:mediaType . a dcat:Distribution ; dct:description "The data model as LinkML; sha256 b49d178c0649789482ebb27715b4907fd4ac3e1b9686321ab068720389a12740." ; dct:format ; dct:issued "2026-10-23T14:35:37.969354"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-23T14:35:37.893974"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, Urban Research and Statistics (Aluesarjat), CC BY 4.0" ] ; dct:title "helsinki model.linkml.yaml" ; spdx:checksum [ a spdx:Checksum ; spdx:algorithm spdx:checksumAlgorithm_sha256 ; spdx:checksumValue "b49d178c0649789482ebb27715b4907fd4ac3e1b9686321ab068720389a12740"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "14497"^^xsd:nonNegativeInteger ; dcat:mediaType . a dcat:Distribution ; dct:description "The data model as RDF; sha256 d27697e5c79cd2e9386787f5db56132d551d6ed9bfba6edf5e34ddc676e05f9d." ; dct:format ; dct:issued "2026-10-23T14:35:37.969354"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-23T14:35:37.894161"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, Urban Research and Statistics (Aluesarjat), CC BY 4.0" ] ; dct:title "helsinki model.rdf.ttl" ; spdx:checksum [ a spdx:Checksum ; spdx:algorithm spdx:checksumAlgorithm_sha256 ; spdx:checksumValue "d27697e5c79cd2e9386787f5db56132d551d6ed9bfba6edf5e34ddc676e05f9d"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "2751"^^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 "2026-10-23T14:35:37.969354"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-23T14:35:37.893790"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, Urban Research and Statistics (Aluesarjat), CC BY 4.0" ] ; dct:title "DCAT-AP record" ; dcat:accessURL ; dcat:mediaType . a dcat:Distribution ; dct:description "The data model as OWL; sha256 1582c4d65bff95c601dada62fb1af2839622bde59caf610e09867a06e6dffe73." ; dct:format ; dct:issued "2026-10-23T14:35:37.969354"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-23T14:35:37.894101"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, Urban Research and Statistics (Aluesarjat), CC BY 4.0" ] ; dct:title "helsinki model.owl.ttl" ; spdx:checksum [ a spdx:Checksum ; spdx:algorithm spdx:checksumAlgorithm_sha256 ; spdx:checksumValue "1582c4d65bff95c601dada62fb1af2839622bde59caf610e09867a06e6dffe73"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "5400"^^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.dev.joinedcontext.com/api/endpoint/hb4cgyuttzzhtgxangivybcsvjx747ui/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/hb4cgyuttzzhtgxangivybcsvjx747ui/ogc/features/. With curl: curl 'https://api.dev.joinedcontext.com/api/endpoint/hb4cgyuttzzhtgxangivybcsvjx747ui/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/hb4cgyuttzzhtgxangivybcsvjx747ui""" ; dct:format ; dct:issued "2026-10-23T14:35:37.969354"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-23T14:35:37.893534"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, Urban Research and Statistics (Aluesarjat), 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:Dataset ; dct:description "Families in Helsinki, Espoo, Vantaa and Kauniainen starting 31.12.1998" ; dct:title "Area statistics table alu_perh_006t" . a dcat:Dataset ; dct:description "Population of Helsinki, Espoo, Vantaa and Kauniainen by native language and age group 31.12.1998-" ; dct:title "Area statistics table alu_vaerak_004p" . a dcat:Dataset ; dct:description "Population of Helsinki, Espoo, Vantaa and Kauniainen by age groups 31.12.1961-" ; dct:title "Area statistics table alu_vaerak_004r" . a dcat:Dataset ; dct:description "Births by area in Helsinki, Espoo, Vantaa and Kauniainen beginning from 1998" ; dct:title "Area statistics table alu_vamuu_010h" . a dcat:Dataset ; dct:description "Deaths in Helsinki, Espoo, Vantaa and Kauniainen 1998-" ; dct:title "Area statistics table alu_vamuu_010o" . 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 "Helsinki area statistics: births, deaths, families and the population by native language; for the city, its major districts, basic districts and sub-districts. One Smart Data Models KeyPerformanceIndicator per indicator and area, the newest period as kpiValue and the earlier periods in its history. Properties beyond the model: districtCode (the code of the area in the statistics of the city), divisionLevel (city, majorDistrict, basicDistrict, subDistrict or cityPart), refArea (the AdministrativeArea of the sub-district), statisticsTable and dimensionKey (the source table and cell). Source: City of Helsinki, Urban Research and Statistics (Aluesarjat), CC BY 4.0." ; dct:identifier "hb4cgyuttzzhtgxangivybcsvjx747ui" ; dct:issued "2026-10-23T14:35:37.969354"^^xsd:dateTime ; dct:modified "2026-10-23T14:35:37.969359"^^xsd:dateTime ; dct:publisher ; dct:source , , , , ; dct:spatial ; dct:title "Population — Helsinki area statistics" ; dcat:contactPoint [ a vcard:Kind, vcard:Organization ; vcard:fn "joinedcontext" ; vcard:hasEmail ] ; dcat:distribution , , , , , , , , , , , , , , ; dcat:keyword "aluesarjat", "area statistics", "befolkning", "births", "deaths", "döda", "födda", "kuolleet", "områdesserier", "population", "syntyneet", "väestö" ; dcat:landingPage ; dcat:theme , ; prov:wasGeneratedBy [ a prov:Activity ; rdfs:label "pipeline statistics" ] . a dct:MediaType . spdx:checksumAlgorithm_sha256 a spdx:ChecksumAlgorithm . a dct:LicenseDocument .