@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 "Government and public sector"@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 "The City of Helsinki's news as an RSS feed, CC BY 4.0." ; dct:title "Open API for the news of hel.fi" . a dct:Standard . a dcat:Distribution ; dct:description "The data model as JSON-LD; sha256 95bdd9b0a2ce748557f190ed0d413c8ea2dddf2bed89971e038151675cc948fb." ; dct:format ; dct:issued "2020-02-04T12:59:32+00:00"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-20T08:23:02.149610"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, hel.fi, CC BY 4.0" ] ; dct:title "helsinki context.jsonld" ; spdx:checksum [ a spdx:Checksum ; spdx:algorithm spdx:checksumAlgorithm_sha256 ; spdx:checksumValue "95bdd9b0a2ce748557f190ed0d413c8ea2dddf2bed89971e038151675cc948fb"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "811"^^xsd:nonNegativeInteger ; dcat:mediaType . a dcat:Distribution ; dct:format ; dct:issued "2020-02-04T12:59:32+00:00"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-20T03:56:20.098034"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, hel.fi, CC BY 4.0" ] ; dct:title "Article" ; dcat:accessURL . 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/t2vph7knk35vyjoxzqwhjldnls6nhcmj/odata/v4/. In Power BI: Get data, OData feed, the same URL. With curl: curl 'https://api.smartcity.joinedcontext.com/api/endpoint/t2vph7knk35vyjoxzqwhjldnls6nhcmj/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/t2vph7knk35vyjoxzqwhjldnls6nhcmj""" ; dct:issued "2020-02-04T12:59:32+00:00"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-20T08:23:02.149491"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, hel.fi, CC BY 4.0" ] ; dct:title "OData v4" ; 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/t2vph7knk35vyjoxzqwhjldnls6nhcmj/file.csv' Open to anyone, with no sign-in.""" ; dct:format ; dct:issued "2020-02-04T12:59:32+00:00"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-20T08:23:02.149271"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, hel.fi, CC BY 4.0" ] ; dct:title "CSV" ; dcat:accessURL ; dcat:mediaType . a dcat:Distribution ; dct:description "The data model as RDF; sha256 f38b1bb31411ce13572d07d30d694ffb296a6d67e62800eab47a1eda24a62453." ; dct:format ; dct:issued "2020-02-04T12:59:32+00:00"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-20T08:23:02.149826"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, hel.fi, CC BY 4.0" ] ; dct:title "helsinki model.rdf.ttl" ; spdx:checksum [ a spdx:Checksum ; spdx:algorithm spdx:checksumAlgorithm_sha256 ; spdx:checksumValue "f38b1bb31411ce13572d07d30d694ffb296a6d67e62800eab47a1eda24a62453"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "1135"^^xsd:nonNegativeInteger ; dcat:mediaType . a dcat:Distribution ; dct:description "The data model as OWL; sha256 d4c6ae23173f73a4191e090b00de56b8fc893820e2918d6d7f275af6b72d612b." ; dct:format ; dct:issued "2020-02-04T12:59:32+00:00"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-20T08:23:02.149772"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, hel.fi, CC BY 4.0" ] ; dct:title "helsinki model.owl.ttl" ; spdx:checksum [ a spdx:Checksum ; spdx:algorithm spdx:checksumAlgorithm_sha256 ; spdx:checksumValue "d4c6ae23173f73a4191e090b00de56b8fc893820e2918d6d7f275af6b72d612b"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "2065"^^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 Article entities: curl -H 'Accept: application/ld+json' 'https://api.smartcity.joinedcontext.com/api/endpoint/t2vph7knk35vyjoxzqwhjldnls6nhcmj/ngsi-ld/v1/entities?type=Article&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/t2vph7knk35vyjoxzqwhjldnls6nhcmj""" ; dct:format ; dct:issued "2020-02-04T12:59:32+00:00"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-20T08:23:02.149180"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, hel.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 "The data model in every formalism, for every model version, each artifact with its sha256 (EP-68)." ; dct:format ; dct:issued "2020-02-04T12:59:32+00:00"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-20T08:23:02.149543"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, hel.fi, CC BY 4.0" ] ; dct:title "Schema artifacts" ; 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/t2vph7knk35vyjoxzqwhjldnls6nhcmj/ws' {"metadata":{"x-op":"x-subscribe","x-id":"s1"},"body":{"type":"Subscription","entities":[{"type":"Article"}]}} 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 "2020-02-04T12:59:32+00:00"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-20T08:23:02.149386"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, hel.fi, CC BY 4.0" ] ; dct:title "Live updates over WebSocket" ; dcat:accessURL ; dcat:mediaType . a dcat:Distribution ; dct:description "The data model as JSON Schema; sha256 d9fe3eec5fc5d69264fea0a316e362b21e44fa0a07b1745527e2a3e6fd17f3f3." ; dct:format ; dct:issued "2020-02-04T12:59:32+00:00"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-20T08:23:02.149882"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, hel.fi, CC BY 4.0" ] ; dct:title "helsinki model.schema.json" ; spdx:checksum [ a spdx:Checksum ; spdx:algorithm spdx:checksumAlgorithm_sha256 ; spdx:checksumValue "d9fe3eec5fc5d69264fea0a316e362b21e44fa0a07b1745527e2a3e6fd17f3f3"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "2021"^^xsd:nonNegativeInteger ; dcat:mediaType . a dcat:Distribution ; dct:description "The data model as LinkML; sha256 918bea3fe7a4fa3bbe5daf1ce5340b933ccfdcea38871d4e970560e2580a5319." ; dct:format ; dct:issued "2020-02-04T12:59:32+00:00"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-20T08:23:02.149664"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, hel.fi, CC BY 4.0" ] ; dct:title "helsinki model.linkml.yaml" ; spdx:checksum [ a spdx:Checksum ; spdx:algorithm spdx:checksumAlgorithm_sha256 ; spdx:checksumValue "918bea3fe7a4fa3bbe5daf1ce5340b933ccfdcea38871d4e970560e2580a5319"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "4372"^^xsd:nonNegativeInteger ; dcat:mediaType . a dcat:Distribution ; dct:description "The data model as SHACL; sha256 050acb0a8b2ebe4e8ddbae46677a3b68ede5b9ebfe9845f8da73e570cb2e9556." ; dct:format ; dct:issued "2020-02-04T12:59:32+00:00"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-20T08:23:02.149954"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, hel.fi, CC BY 4.0" ] ; dct:title "helsinki model.shacl.ttl" ; spdx:checksum [ a spdx:Checksum ; spdx:algorithm spdx:checksumAlgorithm_sha256 ; spdx:checksumValue "050acb0a8b2ebe4e8ddbae46677a3b68ede5b9ebfe9845f8da73e570cb2e9556"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "3012"^^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/t2vph7knk35vyjoxzqwhjldnls6nhcmj/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/t2vph7knk35vyjoxzqwhjldnls6nhcmj/ogc/features/. With curl: curl 'https://api.smartcity.joinedcontext.com/api/endpoint/t2vph7knk35vyjoxzqwhjldnls6nhcmj/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/t2vph7knk35vyjoxzqwhjldnls6nhcmj""" ; dct:format ; dct:issued "2020-02-04T12:59:32+00:00"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-20T08:23:02.149440"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, hel.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 """For AI assistants: a Model Context Protocol server over this dataset's endpoint https://api.smartcity.joinedcontext.com/api/endpoint/t2vph7knk35vyjoxzqwhjldnls6nhcmj. 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-news":{"type":"http","url":"https://api.smartcity.joinedcontext.com/api/endpoint/t2vph7knk35vyjoxzqwhjldnls6nhcmj/mcp"}}} """ ; dct:format ; dct:issued "2020-02-04T12:59:32+00:00"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-20T08:23:02.149331"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, hel.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 "The data model as Markdown; sha256 52aec0b6a4d48908c2a09a2e476d1bde0e28a9d4a7b63c03733515ec431de8ce." ; dct:format ; dct:issued "2020-02-04T12:59:32+00:00"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-20T08:23:02.149719"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, hel.fi, CC BY 4.0" ] ; dct:title "helsinki model.md" ; spdx:checksum [ a spdx:Checksum ; spdx:algorithm spdx:checksumAlgorithm_sha256 ; spdx:checksumValue "52aec0b6a4d48908c2a09a2e476d1bde0e28a9d4a7b63c03733515ec431de8ce"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "1090"^^xsd:nonNegativeInteger ; 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 of Helsinki's news and announcements from hel.fi. Source: City of Helsinki, CC BY 4.0." ; dct:identifier "t2vph7knk35vyjoxzqwhjldnls6nhcmj" ; dct:issued "2020-02-04T12:59:32+00:00"^^xsd:dateTime ; dct:modified "2026-10-20T08:23:02.140935"^^xsd:dateTime ; dct:publisher ; dct:source ; dct:spatial ; dct:title "Helsinki city news" ; dcat:contactPoint [ a vcard:Kind, vcard:Organization ; vcard:fn "joinedcontext" ; vcard:hasEmail ] ; dcat:distribution , , , , , , , , , , , , , , ; dcat:keyword "announcements", "city", "kaupunki", "meddelanden", "news", "nyheter", "staden", "tiedotteet", "uutiset" ; dcat:landingPage ; dcat:theme ; prov:wasGeneratedBy [ a prov:Activity ; rdfs:label "pipeline hel-news" ] . a dct:MediaType . spdx:checksumAlgorithm_sha256 a spdx:ChecksumAlgorithm . a dct:LicenseDocument .