@prefix dcat: . @prefix dct: . @prefix foaf: . @prefix rdfs: . @prefix skos: . @prefix spdx: . @prefix vcard: . @prefix xsd: . a dct:Location . a skos:Concept ; skos:prefLabel "Government and public sector"@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 dcat:Dataset ; dct:description "A WFS layer of the city's map service, as GeoJSON." ; dct:title "Excavation notices (Allu)" . a dcat:Dataset ; dct:description "A WFS layer of the city's map service, as GeoJSON." ; dct:title "Events on public areas (Allu)" . a dcat:Dataset ; dct:description "A WFS layer of the city's map service, as GeoJSON." ; dct:title "Temporary traffic arrangements (Allu)" . a dct:Standard . 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 "2026-10-20T08:23:26.635749"^^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 "The data model as JSON Schema; sha256 b023505477d7549ee6bf52c470213f9172c133101d5c1e9aa0098930d698aa4a." ; dct:format ; dct:issued "2026-09-28T00:00:00+00:00"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-20T08:23:26.636934"^^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 "b023505477d7549ee6bf52c470213f9172c133101d5c1e9aa0098930d698aa4a"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "3442"^^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.smartcity.joinedcontext.com/api/endpoint/rjktf6sxt7mdqgdc3cvyf56ezh6if6kh/odata/v4/. In Power BI: Get data, OData feed, the same URL. With curl: curl 'https://api.smartcity.joinedcontext.com/api/endpoint/rjktf6sxt7mdqgdc3cvyf56ezh6if6kh/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/rjktf6sxt7mdqgdc3cvyf56ezh6if6kh""" ; dct:issued "2026-09-28T00:00:00+00:00"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-20T08:23:26.635304"^^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:description "The data model as JSON-LD; sha256 09591a6949e945df74b70c519fe623f9ce94183e3663d98d8b8bb38d4bdf9466." ; dct:format ; dct:issued "2026-09-28T00:00:00+00:00"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-20T08:23:26.635953"^^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 "09591a6949e945df74b70c519fe623f9ce94183e3663d98d8b8bb38d4bdf9466"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "1179"^^xsd:nonNegativeInteger ; dcat:mediaType . a dcat:Distribution ; dct:description "The data model as OWL; sha256 fbd6297b49bbab591e383fb1601ceaef25b3939b275878926a0495a7828c5923." ; dct:format ; dct:issued "2026-09-28T00:00:00+00:00"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-20T08:23:26.636516"^^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 "fbd6297b49bbab591e383fb1601ceaef25b3939b275878926a0495a7828c5923"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "3259"^^xsd:nonNegativeInteger ; dcat:mediaType . a dcat:Distribution ; dct:description "The data model as Markdown; sha256 7908fded91c6a6b28d3d31ea007444db75b2f1f924921aebb392a5278c84b84d." ; dct:format ; dct:issued "2026-09-28T00:00:00+00:00"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-20T08:23:26.636282"^^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 "7908fded91c6a6b28d3d31ea007444db75b2f1f924921aebb392a5278c84b84d"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "2304"^^xsd:nonNegativeInteger ; dcat:mediaType . a dcat:Distribution ; dct:description "The data model as RDF; sha256 76f1bdefe19cc04a3acc5b935af1b96ee4fe0431882be453601aacda998c2914." ; dct:format ; dct:issued "2026-09-28T00:00:00+00:00"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-20T08:23:26.636750"^^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 "76f1bdefe19cc04a3acc5b935af1b96ee4fe0431882be453601aacda998c2914"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "1636"^^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/rjktf6sxt7mdqgdc3cvyf56ezh6if6kh. 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-public-area-permits":{"type":"http","url":"https://api.smartcity.joinedcontext.com/api/endpoint/rjktf6sxt7mdqgdc3cvyf56ezh6if6kh/mcp"}}} """ ; dct:format ; dct:issued "2026-09-28T00:00:00+00:00"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-20T08:23:26.635553"^^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 "The data model as LinkML; sha256 00173ffc2a0a4a5353b6147f680e9ba2af76d6969c6ae5e42bc89d2d56b49278." ; dct:format ; dct:issued "2026-09-28T00:00:00+00:00"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-20T08:23:26.636100"^^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 "00173ffc2a0a4a5353b6147f680e9ba2af76d6969c6ae5e42bc89d2d56b49278"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "7014"^^xsd:nonNegativeInteger ; dcat:mediaType . a dcat:Distribution ; dct:description "The data model as SHACL; sha256 b25d8d5f487f046873338498d6d35f6ded18e49e979398d3a456907d0e1f5edd." ; dct:format ; dct:issued "2026-09-28T00:00:00+00:00"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-20T08:23:26.637073"^^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 "b25d8d5f487f046873338498d6d35f6ded18e49e979398d3a456907d0e1f5edd"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "4627"^^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/rjktf6sxt7mdqgdc3cvyf56ezh6if6kh/ws' {"metadata":{"x-op":"x-subscribe","x-id":"s1"},"body":{"type":"Subscription","entities":[{"type":"CityWork"}]}} 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 "2026-10-20T08:23:26.634965"^^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 NGSI-LD API (ETSI GS CIM 009) of this dataset: query, filter and page its entities. The first ten CityWork entities: curl -H 'Accept: application/ld+json' 'https://api.smartcity.joinedcontext.com/api/endpoint/rjktf6sxt7mdqgdc3cvyf56ezh6if6kh/ngsi-ld/v1/entities?type=CityWork&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/rjktf6sxt7mdqgdc3cvyf56ezh6if6kh""" ; dct:format ; dct:issued "2026-09-28T00:00:00+00:00"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-20T08:23:26.634513"^^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 """A CSV table, generated on each download from the endpoint's live data. curl -o file.csv 'https://api.smartcity.joinedcontext.com/api/endpoint/rjktf6sxt7mdqgdc3cvyf56ezh6if6kh/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 "2026-10-20T08:23:26.634776"^^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:format ; dct:issued "2026-09-28T00:00:00+00:00"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-20T06:31:20.936098"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, CC BY 4.0" ] ; dct:title "CityWork" ; 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/rjktf6sxt7mdqgdc3cvyf56ezh6if6kh/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/rjktf6sxt7mdqgdc3cvyf56ezh6if6kh/ogc/features/. With curl: curl 'https://api.smartcity.joinedcontext.com/api/endpoint/rjktf6sxt7mdqgdc3cvyf56ezh6if6kh/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/rjktf6sxt7mdqgdc3cvyf56ezh6if6kh""" ; dct:format ; dct:issued "2026-09-28T00:00:00+00:00"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-20T08:23:26.635114"^^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 "Events on public areas, excavation notices and temporary traffic arrangements. Each permit references its district. Source: City of Helsinki, Allu, CC BY 4.0." ; dct:identifier "rjktf6sxt7mdqgdc3cvyf56ezh6if6kh" ; dct:issued "2026-09-28T00:00:00+00:00"^^xsd:dateTime ; dct:modified "2026-10-20T08:23:26.622167"^^xsd:dateTime ; dct:publisher ; dct:source , , ; dct:spatial ; dct:title "Public-area permits — Helsinki" ; dcat:contactPoint [ a vcard:Kind, vcard:Organization ; vcard:fn "joinedcontext" ; vcard:hasEmail ] ; dcat:distribution , , , , , , , , , , , , , , ; dcat:keyword "excavation", "grävanmälningar", "kaivuilmoitukset", "liikennejärjestelyt", "luvat", "permits", "tillstånd", "traffic arrangements", "trafikarrangemang" ; dcat:landingPage ; dcat:theme , . a dct:MediaType . spdx:checksumAlgorithm_sha256 a spdx:ChecksumAlgorithm . a dct:LicenseDocument .