@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 "Education, culture and sport"@en . a skos:Concept ; skos:prefLabel "Environment"@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 "A WFS layer of the city's map service, as GeoJSON. Read weekly (pipeline fortifications)." ; dct:title "First World War fortifications" . a dcat:Dataset ; dct:description "A WFS layer of the city's map service, as GeoJSON. Read weekly (pipeline landscape-culture)." ; dct:title "Landscape culture map" . a dct:Standard . a dcat:Distribution ; dct:description "The data model as Markdown; sha256 9c1b26aacd01594a78001efe26f377e7078edd2149711cf632e7189c904682d7." ; dct:format ; dct:issued "2026-10-26T21:52:52.506048"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-27T13:03:23.127677"^^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 "9c1b26aacd01594a78001efe26f377e7078edd2149711cf632e7189c904682d7"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "2406"^^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/xtmpry6uo6sswne5bnnqoikpfvfyjihr. 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-heritage":{"type":"http","url":"https://api.smartcity.joinedcontext.com/api/endpoint/xtmpry6uo6sswne5bnnqoikpfvfyjihr/mcp"}}} """ ; dct:format ; dct:issued "2026-10-26T21:52:52.506048"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-27T13:03:23.127042"^^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 RDF; sha256 7ada4b812cb0c28f0da9c6cbb2a6b719c0ff92a994f0e28dbe4177eb43ff95b9." ; dct:format ; dct:issued "2026-10-26T21:52:52.506048"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-27T13:03:23.127923"^^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 "7ada4b812cb0c28f0da9c6cbb2a6b719c0ff92a994f0e28dbe4177eb43ff95b9"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "1194"^^xsd:nonNegativeInteger ; dcat:mediaType . a dcat:Distribution ; dct:description "The data model as JSON-LD; sha256 0554fc24f7558227d23f85bbdeae016cdf1d12a06b7f16a28114628c9b6ba76d." ; dct:format ; dct:issued "2026-10-26T21:52:52.506048"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-27T13:03:23.127439"^^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 "0554fc24f7558227d23f85bbdeae016cdf1d12a06b7f16a28114628c9b6ba76d"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "873"^^xsd:nonNegativeInteger ; dcat:mediaType . a dcat:Distribution ; dct:description "The data model as JSON Schema; sha256 8369387fa313ba7af1f00b9fa312e415ddd43d49b4fe8abb9d8354263d0e781f." ; dct:format ; dct:issued "2026-10-26T21:52:52.506048"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-27T13:03:23.128043"^^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 "8369387fa313ba7af1f00b9fa312e415ddd43d49b4fe8abb9d8354263d0e781f"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "2838"^^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/xtmpry6uo6sswne5bnnqoikpfvfyjihr/ws' {"metadata":{"x-op":"x-subscribe","x-id":"s1"},"body":{"type":"Subscription","entities":[{"type":"HeritageArea"}]}} 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 "2026-10-26T21:52:52.506048"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-27T13:03:23.126650"^^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 """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/xtmpry6uo6sswne5bnnqoikpfvfyjihr/odata/v4/. In Power BI: Get data, OData feed, the same URL. With curl: curl 'https://api.smartcity.joinedcontext.com/api/endpoint/xtmpry6uo6sswne5bnnqoikpfvfyjihr/odata/v4/' Its entity sets: https://api.smartcity.joinedcontext.com/api/endpoint/xtmpry6uo6sswne5bnnqoikpfvfyjihr/odata/v4/HeritageArea. 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/xtmpry6uo6sswne5bnnqoikpfvfyjihr""" ; dct:issued "2026-10-26T21:52:52.506048"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-27T13:03:23.126917"^^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 SHACL; sha256 3b280a1549651b7e2c27adf9ef6062e55185a4f144f5e4a3519072c5faaaa2ba." ; dct:format ; dct:issued "2026-10-26T21:52:52.506048"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-27T13:03:23.128191"^^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 "3b280a1549651b7e2c27adf9ef6062e55185a4f144f5e4a3519072c5faaaa2ba"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "3650"^^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/xtmpry6uo6sswne5bnnqoikpfvfyjihr/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/xtmpry6uo6sswne5bnnqoikpfvfyjihr/ogc/features/. With curl: curl 'https://api.smartcity.joinedcontext.com/api/endpoint/xtmpry6uo6sswne5bnnqoikpfvfyjihr/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/xtmpry6uo6sswne5bnnqoikpfvfyjihr""" ; dct:format ; dct:issued "2026-10-26T21:52:52.506048"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-27T13:03:23.126773"^^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 dcat:Distribution ; dct:description "The data model as LinkML; sha256 287a1f9d926e6d2405bfb9a911a4db265beb3449ded05da8d24a1f70d65ccc4b." ; dct:format ; dct:issued "2026-10-26T21:52:52.506048"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-27T13:03:23.127553"^^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 "287a1f9d926e6d2405bfb9a911a4db265beb3449ded05da8d24a1f70d65ccc4b"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "9811"^^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 "2026-10-26T21:52:52.506048"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-27T13:03:23.127319"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Source: City of Helsinki, CC BY 4.0" ] ; dct:title "DCAT-AP record" ; 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/xtmpry6uo6sswne5bnnqoikpfvfyjihr/file.csv' Open to anyone, with no sign-in.""" ; dct:format ; dct:issued "2026-10-26T21:52:52.506048"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-27T13:03:23.126513"^^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 in every formalism, for every model version, each artifact with its sha256 (EP-68)." ; dct:format ; dct:issued "2026-10-26T21:52:52.506048"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-27T13:03:23.127195"^^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 OWL; sha256 8174cde9f65345919c3477a4ef1930b30f95c91b09ba283886601774fdac2bc2." ; dct:format ; dct:issued "2026-10-26T21:52:52.506048"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-27T13:03:23.127788"^^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 "8174cde9f65345919c3477a4ef1930b30f95c91b09ba283886601774fdac2bc2"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "2440"^^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 HeritageArea entities: curl -H 'Accept: application/ld+json' 'https://api.smartcity.joinedcontext.com/api/endpoint/xtmpry6uo6sswne5bnnqoikpfvfyjihr/ngsi-ld/v1/entities?type=HeritageArea&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/xtmpry6uo6sswne5bnnqoikpfvfyjihr""" ; dct:format ; dct:issued "2026-10-26T21:52:52.506048"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-27T13:03:23.126321"^^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 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 27 strongpoints of Helsinki's First World War land fortifications with their outlines (heritageCategory fortification) and the areas of the city's landscape culture map: parks, boulevards, squares, cemeteries, manor and villa environments, residential ensembles, courtyards and more (heritageCategory). Source: City of Helsinki, CC BY 4.0." ; dct:identifier "xtmpry6uo6sswne5bnnqoikpfvfyjihr" ; dct:issued "2026-10-26T21:52:52.506048"^^xsd:dateTime ; dct:modified "2026-10-27T13:03:23.114487"^^xsd:dateTime ; dct:publisher ; dct:source , ; dct:spatial ; dct:title "WWI fortifications and landscape culture — Helsinki" ; dcat:contactPoint [ a vcard:Kind, vcard:Organization ; vcard:fn "joinedcontext" ; vcard:hasEmail ] ; dcat:distribution , , , , , , , , , , , , , , ; dcat:keyword "First World War", "cultural heritage", "ensimmäinen maailmansota", "fortifications", "första världskriget", "kulttuuriperintö", "kulturarv", "landbefästningar", "landscape culture", "landskapskultur", "maalinnoitukset", "maisemakulttuuri", "parker", "parks", "puistot" ; dcat:landingPage ; dcat:theme , ; prov:wasGeneratedBy [ a prov:Activity ; rdfs:label "pipeline fortifications" ] . a dct:MediaType . spdx:checksumAlgorithm_sha256 a spdx:ChecksumAlgorithm . a dct:LicenseDocument .