@prefix dcat: . @prefix dct: . @prefix foaf: . @prefix prov: . @prefix rdfs: . @prefix skos: . @prefix vcard: . @prefix xsd: . a dct:Location . a skos:Concept ; skos:prefLabel "Population and society"@en . a dct:MediaTypeOrExtent . a dct:MediaTypeOrExtent . a dct:Frequency . a dct:MediaType . a dct:MediaType . a dct:MediaType . a dct:Standard . a dcat:Dataset ; dct:description "Dataset Hlavného mesta SR Bratislava na portáli otvorených dát data.bratislava.sk: Prognózovaný index starnutia obyvateľstva Bratislavy v rokoch 2020 – 2050. Licencia CC BY 4.0." ; dct:title "Prognózovaný index starnutia obyvateľstva Bratislavy v rokoch 2020 – 2050" . a foaf:Agent ; foaf:name "Hlavné mesto SR Bratislava" . a dct:Standard . 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/l5p3bys45vair7ts6bdf35ref4xm4fq4/ws' {"metadata":{"x-op":"x-subscribe","x-id":"s1"},"body":{"type":"Subscription","entities":[{"type":"AirQualityObserved"}]}} 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 "2026-10-26T07:50:05.036611"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-31T03:18:30.571987"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Zdroj: Hlavné mesto SR Bratislava, data.bratislava.sk, CC BY 4.0" ] ; dct:title "Live updates over WebSocket" ; 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 "2026-10-26T07:50:05.036611"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-31T03:18:30.572150"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Zdroj: Hlavné mesto SR Bratislava, data.bratislava.sk, CC BY 4.0" ] ; dct:title "Schema artifacts" ; 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 AirQualityObserved entities: curl -H 'Accept: application/ld+json' 'https://api.smartcity.joinedcontext.com/api/endpoint/l5p3bys45vair7ts6bdf35ref4xm4fq4/ngsi-ld/v1/entities?type=AirQualityObserved&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/l5p3bys45vair7ts6bdf35ref4xm4fq4""" ; dct:format ; dct:issued "2026-10-26T07:50:05.036611"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-31T03:18:30.571747"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Zdroj: Hlavné mesto SR Bratislava, data.bratislava.sk, 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 Endpoint's own DCAT-AP 3.0 description, which this dataset is published from (EP-63)." ; dct:format ; dct:issued "2026-10-26T07:50:05.036611"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-31T03:18:30.572204"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Zdroj: Hlavné mesto SR Bratislava, data.bratislava.sk, 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/l5p3bys45vair7ts6bdf35ref4xm4fq4/file.csv' Open to anyone, with no sign-in.""" ; dct:format ; dct:issued "2026-10-26T07:50:05.036611"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-31T03:18:30.571844"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Zdroj: Hlavné mesto SR Bratislava, data.bratislava.sk, CC BY 4.0" ] ; dct:title "CSV" ; dcat:accessURL ; 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/l5p3bys45vair7ts6bdf35ref4xm4fq4/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/l5p3bys45vair7ts6bdf35ref4xm4fq4/ogc/features/. With curl: curl 'https://api.smartcity.joinedcontext.com/api/endpoint/l5p3bys45vair7ts6bdf35ref4xm4fq4/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/l5p3bys45vair7ts6bdf35ref4xm4fq4""" ; dct:format ; dct:issued "2026-10-26T07:50:05.036611"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-31T03:18:30.572041"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Zdroj: Hlavné mesto SR Bratislava, data.bratislava.sk, 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 """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/l5p3bys45vair7ts6bdf35ref4xm4fq4/odata/v4/. In Power BI: Get data, OData feed, the same URL. With curl: curl 'https://api.smartcity.joinedcontext.com/api/endpoint/l5p3bys45vair7ts6bdf35ref4xm4fq4/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/l5p3bys45vair7ts6bdf35ref4xm4fq4""" ; dct:issued "2026-10-26T07:50:05.036611"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-31T03:18:30.572096"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Zdroj: Hlavné mesto SR Bratislava, data.bratislava.sk, CC BY 4.0" ] ; dct:title "OData v4" ; 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/l5p3bys45vair7ts6bdf35ref4xm4fq4. 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":{"bratislava-prognozovany-index-v-rokoch-2020-2050-ba":{"type":"http","url":"https://api.smartcity.joinedcontext.com/api/endpoint/l5p3bys45vair7ts6bdf35ref4xm4fq4/mcp"}}} """ ; dct:format ; dct:issued "2026-10-26T07:50:05.036611"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-31T03:18:30.571928"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Zdroj: Hlavné mesto SR Bratislava, data.bratislava.sk, 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 dct:Standard . a dct:MediaTypeOrExtent . a dct:MediaTypeOrExtent . a foaf:Document . a rdfs:Resource . a rdfs:Resource . a rdfs:Resource . a dcat:Dataset ; dct:accrualPeriodicity ; dct:description "Ukazovatele tabuľky „Prognózovaný index starnutia obyvateľstva Bratislavy v rokoch 2020 – 2050“ z data.bratislava.sk, za mesto ako celok, jeden na obdobie a údaj, ako KeyPerformanceIndicator. Zdroj: Hlavné mesto SR Bratislava, data.bratislava.sk, CC BY 4.0." ; dct:identifier "l5p3bys45vair7ts6bdf35ref4xm4fq4" ; dct:issued "2026-10-26T07:50:05.036611"^^xsd:dateTime ; dct:modified "2026-10-31T03:18:30.562952"^^xsd:dateTime ; dct:publisher ; dct:source ; dct:spatial ; dct:title "Prognózovaný index starnutia obyvateľstva Bratislavy v rokoch 2020 – 2050" ; dcat:contactPoint [ a vcard:Kind, vcard:Organization ; vcard:fn "joinedcontext platform" ; vcard:hasEmail ] ; dcat:distribution , , , , , , , ; dcat:keyword "AdministrativeArea", "AirQualityObserved", "BikeHireDockingStation", "KeyPerformanceIndicator", "OnStreetParking", "PointOfInterest", "body záujmu", "doprava", "environment", "key performance indicators", "kľúčové ukazovatele výkonnosti", "parking", "parkovanie", "points of interest", "transport", "životné prostredie" ; dcat:landingPage ; dcat:theme ; prov:wasGeneratedBy [ a prov:Activity ; rdfs:label "pipeline statistics-mesto" ] . a dct:MediaType . a dct:LicenseDocument .