@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 "Energy"@en . a skos:Concept ; skos:prefLabel "Government and public sector"@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 "Nuuka Open API" ; dct:title "Energy consumption data of the City of Helsinki's service properties" . 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 "2026-10-26T09:05:34.178506"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-29T10:23:01.851194"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, energy consumption data of service properties (Nuuka), CC BY 4.0" ] ; dct:title "Schema artifacts" ; dcat:accessURL ; dcat:mediaType . a dcat:Distribution ; dct:description "The data model as RDF; sha256 d27697e5c79cd2e9386787f5db56132d551d6ed9bfba6edf5e34ddc676e05f9d." ; dct:format ; dct:issued "2026-10-26T09:05:34.178506"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-29T10:23:01.851966"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, energy consumption data of service properties (Nuuka), 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 data model as OWL; sha256 56764031608c3d890b4cc007aadbb199545e98b7185e62647b60d36ebcf85864." ; dct:format ; dct:issued "2026-10-26T09:05:34.178506"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-29T10:23:01.851832"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, energy consumption data of service properties (Nuuka), CC BY 4.0" ] ; dct:title "helsinki model.owl.ttl" ; spdx:checksum [ a spdx:Checksum ; spdx:algorithm spdx:checksumAlgorithm_sha256 ; spdx:checksumValue "56764031608c3d890b4cc007aadbb199545e98b7185e62647b60d36ebcf85864"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "5615"^^xsd:nonNegativeInteger ; 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/vdv6dd5zhwph3ggzjz6xyffu2ikrmvtl/file.csv' Open to anyone, with no sign-in.""" ; dct:format ; dct:issued "2026-10-26T09:05:34.178506"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-29T10:23:01.850807"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, energy consumption data of service properties (Nuuka), CC BY 4.0" ] ; dct:title "CSV" ; dcat:accessURL ; dcat:mediaType . a dcat:Distribution ; dct:description "The data model as SHACL; sha256 4d1373352af0291a81e6042ae2843efbd033ee475d6cd8a63a1de76d6daf71af." ; dct:format ; dct:issued "2026-10-26T09:05:34.178506"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-29T10:23:01.852180"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, energy consumption data of service properties (Nuuka), CC BY 4.0" ] ; dct:title "helsinki model.shacl.ttl" ; spdx:checksum [ a spdx:Checksum ; spdx:algorithm spdx:checksumAlgorithm_sha256 ; spdx:checksumValue "4d1373352af0291a81e6042ae2843efbd033ee475d6cd8a63a1de76d6daf71af"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "8990"^^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 KeyPerformanceIndicator entities: curl -H 'Accept: application/ld+json' 'https://api.smartcity.joinedcontext.com/api/endpoint/vdv6dd5zhwph3ggzjz6xyffu2ikrmvtl/ngsi-ld/v1/entities?type=KeyPerformanceIndicator&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/vdv6dd5zhwph3ggzjz6xyffu2ikrmvtl""" ; dct:format ; dct:issued "2026-10-26T09:05:34.178506"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-29T10:23:01.850702"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, energy consumption data of service properties (Nuuka), 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 """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/vdv6dd5zhwph3ggzjz6xyffu2ikrmvtl/odata/v4/. In Power BI: Get data, OData feed, the same URL. With curl: curl 'https://api.smartcity.joinedcontext.com/api/endpoint/vdv6dd5zhwph3ggzjz6xyffu2ikrmvtl/odata/v4/' Its entity sets: https://api.smartcity.joinedcontext.com/api/endpoint/vdv6dd5zhwph3ggzjz6xyffu2ikrmvtl/odata/v4/KeyPerformanceIndicator. 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/vdv6dd5zhwph3ggzjz6xyffu2ikrmvtl""" ; dct:issued "2026-10-26T09:05:34.178506"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-29T10:23:01.850998"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, energy consumption data of service properties (Nuuka), CC BY 4.0" ] ; dct:title "OData v4" ; dcat:accessURL ; 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 "2026-10-26T09:05:34.178506"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-29T10:23:01.851300"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, energy consumption data of service properties (Nuuka), CC BY 4.0" ] ; dct:title "DCAT-AP record" ; 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.smartcity.joinedcontext.com/api/endpoint/vdv6dd5zhwph3ggzjz6xyffu2ikrmvtl/ws' {"metadata":{"x-op":"x-subscribe","x-id":"s1"},"body":{"type":"Subscription","entities":[{"type":"KeyPerformanceIndicator"}]}} 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 "2026-10-26T09:05:34.178506"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-29T10:23:01.850869"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, energy consumption data of service properties (Nuuka), CC BY 4.0" ] ; dct:title "Live updates over WebSocket" ; dcat:accessURL ; dcat:mediaType . a dcat:Distribution ; dct:description "The data model as Markdown; sha256 55a891c2302b1ea0b555f26559bb8572839aca5675e0eeed0bb04def0645c996." ; dct:format ; dct:issued "2026-10-26T09:05:34.178506"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-29T10:23:01.851717"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, energy consumption data of service properties (Nuuka), CC BY 4.0" ] ; dct:title "helsinki model.md" ; spdx:checksum [ a spdx:Checksum ; spdx:algorithm spdx:checksumAlgorithm_sha256 ; spdx:checksumValue "55a891c2302b1ea0b555f26559bb8572839aca5675e0eeed0bb04def0645c996"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "4343"^^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/vdv6dd5zhwph3ggzjz6xyffu2ikrmvtl. 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-service-property-energy":{"type":"http","url":"https://api.smartcity.joinedcontext.com/api/endpoint/vdv6dd5zhwph3ggzjz6xyffu2ikrmvtl/mcp"}}} """ ; dct:format ; dct:issued "2026-10-26T09:05:34.178506"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-29T10:23:01.851091"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, energy consumption data of service properties (Nuuka), 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 d71c12cb9cdd105c629e9ef357ada1ec6d6affc93da8546c7b63c93e29581457." ; dct:format ; dct:issued "2026-10-26T09:05:34.178506"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-29T10:23:01.851595"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, energy consumption data of service properties (Nuuka), CC BY 4.0" ] ; dct:title "helsinki model.linkml.yaml" ; spdx:checksum [ a spdx:Checksum ; spdx:algorithm spdx:checksumAlgorithm_sha256 ; spdx:checksumValue "d71c12cb9cdd105c629e9ef357ada1ec6d6affc93da8546c7b63c93e29581457"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "19177"^^xsd:nonNegativeInteger ; dcat:mediaType . a dcat:Distribution ; dct:description "The data model as JSON-LD; sha256 3a902278a164541fd4f0f87eb09ea7ac020b548342f0fe5f83c4cfd1a9a8811a." ; dct:format ; dct:issued "2026-10-26T09:05:34.178506"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-29T10:23:01.851427"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, energy consumption data of service properties (Nuuka), 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 JSON Schema; sha256 1b26612f3c69b877a5df3b347c758e3d7d59efc57186a97d6d49f574ada886c4." ; dct:format ; dct:issued "2026-10-26T09:05:34.178506"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-29T10:23:01.852074"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, energy consumption data of service properties (Nuuka), CC BY 4.0" ] ; dct:title "helsinki model.schema.json" ; spdx:checksum [ a spdx:Checksum ; spdx:algorithm spdx:checksumAlgorithm_sha256 ; spdx:checksumValue "1b26612f3c69b877a5df3b347c758e3d7d59efc57186a97d6d49f574ada886c4"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "5661"^^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/vdv6dd5zhwph3ggzjz6xyffu2ikrmvtl/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/vdv6dd5zhwph3ggzjz6xyffu2ikrmvtl/ogc/features/. With curl: curl 'https://api.smartcity.joinedcontext.com/api/endpoint/vdv6dd5zhwph3ggzjz6xyffu2ikrmvtl/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/vdv6dd5zhwph3ggzjz6xyffu2ikrmvtl""" ; dct:format ; dct:issued "2026-10-26T09:05:34.178506"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-29T10:23:01.850943"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, energy consumption data of service properties (Nuuka), 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: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 "The monthly electricity and heat use (kWh, unitCode KWH) and water use (m³, unitCode MTQ) of the City of Helsinki's service and utility properties (schools, day care centres, offices, market halls) from its energy management service Nuuka. One Smart Data Models KeyPerformanceIndicator per location and utility, the last complete month as kpiValue and the earlier months in its history. District cooling is left out, and so are locations the source marks disabled. Nuuka publishes no coordinates. Property beyond the model: dimensionKey (the location's name in Nuuka, its property code where it has one, and the utility). Source: City of Helsinki, CC BY 4.0." ; dct:identifier "vdv6dd5zhwph3ggzjz6xyffu2ikrmvtl" ; dct:issued "2026-10-26T09:05:34.178506"^^xsd:dateTime ; dct:modified "2026-10-29T10:23:01.838239"^^xsd:dateTime ; dct:publisher ; dct:source ; dct:spatial ; dct:title "Energy use of service properties — Helsinki" ; dcat:contactPoint [ a vcard:Kind, vcard:Organization ; vcard:fn "joinedcontext" ; vcard:hasEmail ] ; dcat:distribution , , , , , , , , , , , , , , ; dcat:keyword "district heating", "el", "electricity", "energiankulutus", "energiförbrukning", "energy consumption", "fastigheter", "fjärrvärme", "kaukolämpö", "kiinteistöt", "properties", "sähkö", "vatten", "vesi", "water" ; dcat:landingPage ; dcat:theme , ; prov:wasGeneratedBy [ a prov:Activity ; rdfs:label "pipeline service-property-energy" ] . a dct:MediaType . spdx:checksumAlgorithm_sha256 a spdx:ChecksumAlgorithm . a dct:LicenseDocument .