@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 "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 "Ten WFS layers LTJ_avoin_* of the city map service, as GeoJSON in one query. Read daily (pipeline nature)." ; dct:title "Helsinki's nature information system" . a dct:Standard . a dcat:Distribution ; dct:description "The data model as JSON-LD; sha256 90d9b95c75919d5ef8824cf1ff654ec617729ded04a2d88a258df24018f731ff." ; dct:format ; dct:issued "2026-10-27T04:05:43.832291"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-28T04:32:11.166570"^^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 "90d9b95c75919d5ef8824cf1ff654ec617729ded04a2d88a258df24018f731ff"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "947"^^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/kddqg7cdcp4okv6mcfzgfiw6huoyyjjr. 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-nature":{"type":"http","url":"https://api.dev.joinedcontext.com/api/endpoint/kddqg7cdcp4okv6mcfzgfiw6huoyyjjr/mcp"}}} """ ; dct:format ; dct:issued "2026-10-27T04:05:43.832291"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-28T04:32:11.166393"^^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 6b9e4633d13597b1680ef454501e9bdd2b26f4ce6a7b2118d63f90fc64850bc8." ; dct:format ; dct:issued "2026-10-27T04:05:43.832291"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-28T04:32:11.166818"^^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 "6b9e4633d13597b1680ef454501e9bdd2b26f4ce6a7b2118d63f90fc64850bc8"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "1321"^^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.dev.joinedcontext.com/api/endpoint/kddqg7cdcp4okv6mcfzgfiw6huoyyjjr/file.csv' Open to anyone, with no sign-in.""" ; dct:format ; dct:issued "2026-10-27T04:05:43.832291"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-28T04:32:11.166122"^^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 as LinkML; sha256 4f3b36c0ea3a796ce2cbeb2cdc8ab6e6219788d77e31e0c674e0a1b1005e8117." ; dct:format ; dct:issued "2026-10-27T04:05:43.832291"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-28T04:32:11.166629"^^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 "4f3b36c0ea3a796ce2cbeb2cdc8ab6e6219788d77e31e0c674e0a1b1005e8117"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "9230"^^xsd:nonNegativeInteger ; dcat:mediaType . a dcat:Distribution ; dct:description "The data model as JSON Schema; sha256 f4ac93b59c17fb06657c023aebdad6efa2229f90fbe50365e48a72ea206d0682." ; dct:format ; dct:issued "2026-10-27T04:05:43.832291"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-28T04:32:11.166882"^^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 "f4ac93b59c17fb06657c023aebdad6efa2229f90fbe50365e48a72ea206d0682"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "3189"^^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.dev.joinedcontext.com/api/endpoint/kddqg7cdcp4okv6mcfzgfiw6huoyyjjr/odata/v4/. In Power BI: Get data, OData feed, the same URL. With curl: curl 'https://api.dev.joinedcontext.com/api/endpoint/kddqg7cdcp4okv6mcfzgfiw6huoyyjjr/odata/v4/' Its entity sets: https://api.dev.joinedcontext.com/api/endpoint/kddqg7cdcp4okv6mcfzgfiw6huoyyjjr/odata/v4/NatureSite. 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/kddqg7cdcp4okv6mcfzgfiw6huoyyjjr""" ; dct:issued "2026-10-27T04:05:43.832291"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-28T04:32:11.166334"^^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 OWL; sha256 80d2fe63739e3098ffde541fea47ab83c31293ba67b064ad80c8c78e30addfab." ; dct:format ; dct:issued "2026-10-27T04:05:43.832291"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-28T04:32:11.166747"^^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 "80d2fe63739e3098ffde541fea47ab83c31293ba67b064ad80c8c78e30addfab"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "2987"^^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 "2026-10-27T04:05:43.832291"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-28T04:32:11.166449"^^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 Markdown; sha256 f2e9826bc226353ca7ddf2c4cd08f1819a6313e949a8099e328ad8fb177dd158." ; dct:format ; dct:issued "2026-10-27T04:05:43.832291"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-28T04:32:11.166688"^^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 "f2e9826bc226353ca7ddf2c4cd08f1819a6313e949a8099e328ad8fb177dd158"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "2895"^^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/kddqg7cdcp4okv6mcfzgfiw6huoyyjjr/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/kddqg7cdcp4okv6mcfzgfiw6huoyyjjr/ogc/features/. With curl: curl 'https://api.dev.joinedcontext.com/api/endpoint/kddqg7cdcp4okv6mcfzgfiw6huoyyjjr/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/kddqg7cdcp4okv6mcfzgfiw6huoyyjjr""" ; dct:format ; dct:issued "2026-10-27T04:05:43.832291"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-28T04:32:11.166273"^^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 """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/kddqg7cdcp4okv6mcfzgfiw6huoyyjjr/ws' {"metadata":{"x-op":"x-subscribe","x-id":"s1"},"body":{"type":"Subscription","entities":[{"type":"NatureSite"}]}} 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 "2026-10-27T04:05:43.832291"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-28T04:32:11.166191"^^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 Endpoint's own DCAT-AP 3.0 description, which this dataset is published from (EP-63)." ; dct:format ; dct:issued "2026-10-27T04:05:43.832291"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-28T04:32:11.166504"^^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 "The data model as SHACL; sha256 829d1bd8f54338d2fcff4c866cc8ea1ca7aade7a41f8ba3e970f58f4dc181d0f." ; dct:format ; dct:issued "2026-10-27T04:05:43.832291"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-28T04:32:11.166941"^^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 "829d1bd8f54338d2fcff4c866cc8ea1ca7aade7a41f8ba3e970f58f4dc181d0f"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "4218"^^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 NatureSite entities: curl -H 'Accept: application/ld+json' 'https://api.dev.joinedcontext.com/api/endpoint/kddqg7cdcp4okv6mcfzgfiw6huoyyjjr/ngsi-ld/v1/entities?type=NatureSite&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.dev.joinedcontext.com/d/kddqg7cdcp4okv6mcfzgfiw6huoyyjjr""" ; dct:format ; dct:issued "2026-10-27T04:05:43.832291"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-28T04:32:11.165986"^^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 "Ten layers of Helsinki's nature information system: nature reserves, Natura 2000 areas, natural monuments, protected habitat types, sites of the nature conservation programme, flying squirrel core areas, important bird areas, bat areas, valuable plant sites and valuable geological sites. Each site's name (name), layer (natureSiteCategory), value class in the system's own Finnish words (valueClass), area in hectares (areaHectares), the system's description (description) and outline. Smart Data Models has no protected-area model, so NatureSite and its properties are the platform's own. Source: City of Helsinki, CC BY 4.0." ; dct:identifier "kddqg7cdcp4okv6mcfzgfiw6huoyyjjr" ; dct:issued "2026-10-27T04:05:43.832291"^^xsd:dateTime ; dct:modified "2026-10-28T04:32:11.152093"^^xsd:dateTime ; dct:publisher ; dct:source ; dct:spatial ; dct:title "Nature information system, protected and valuable nature sites — Helsinki" ; dcat:contactPoint [ a vcard:Kind, vcard:Organization ; vcard:fn "joinedcontext" ; vcard:hasEmail ] ; dcat:distribution , , , , , , , , , , , , , , ; dcat:keyword "Natura 2000", "bird areas", "flygekorre", "flying squirrel", "fågelområden", "kaupunkiluonto", "liito-orava", "lintualueet", "luonnonsuojelu", "luonnonsuojelualueet", "nature conservation", "nature reserves", "naturskydd", "naturskyddsområden", "stadsnatur", "urban nature" ; dcat:landingPage ; dcat:theme ; prov:wasGeneratedBy [ a prov:Activity ; rdfs:label "pipeline nature" ] . a dct:MediaType . spdx:checksumAlgorithm_sha256 a spdx:ChecksumAlgorithm . a dct:LicenseDocument .