@prefix dcat: . @prefix dct: . @prefix foaf: . @prefix rdfs: . @prefix skos: . @prefix spdx: . @prefix vcard: . @prefix xsd: . a dct:Location . a skos:Concept ; skos:prefLabel "Environment"@en . a skos:Concept ; skos:prefLabel "Health"@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 "Střední stacionární zdroje (REZZO 2) z geoportálu IPR Praha, CC BY 4.0, datový podklad © IPR Praha." ; dct:title "Stacionární zdroje znečišťování ovzduší REZZO 2 (IPR Praha)" . a dcat:Dataset ; dct:description "Velké stacionární zdroje (REZZO 1) z geoportálu IPR Praha, CC BY 4.0, datový podklad © IPR Praha." ; dct:title "Stacionární zdroje znečišťování ovzduší REZZO 1 (IPR Praha)" . 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/7dsa6hegkwyvbry43o4uc4alu4jbqqci/ws' {"metadata":{"x-op":"x-subscribe","x-id":"s1"},"body":{"type":"Subscription","entities":[{"type":"EmissionSource"}]}} 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 "2026-10-26T09:16:21.865851"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-27T05:12:44.039769"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Zdroj: datový podklad © IPR Praha (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 "2026-10-26T09:16:21.865851"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-27T05:12:44.040084"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Zdroj: datový podklad © IPR Praha (CC BY 4.0)" ] ; dct:title "Schema artifacts" ; 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/7dsa6hegkwyvbry43o4uc4alu4jbqqci/file.csv' Open to anyone, with no sign-in.""" ; dct:format ; dct:issued "2026-10-26T09:16:21.865851"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-27T05:12:44.039673"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Zdroj: datový podklad © IPR Praha (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/7dsa6hegkwyvbry43o4uc4alu4jbqqci/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/7dsa6hegkwyvbry43o4uc4alu4jbqqci/ogc/features/. With curl: curl 'https://api.smartcity.joinedcontext.com/api/endpoint/7dsa6hegkwyvbry43o4uc4alu4jbqqci/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/7dsa6hegkwyvbry43o4uc4alu4jbqqci""" ; dct:format ; dct:issued "2026-10-26T09:16:21.865851"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-27T05:12:44.039851"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Zdroj: datový podklad © IPR Praha (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 JSON Schema; sha256 763910d010b65ba64de85bb55d6b7f72c2bfb4ebf33b7955948f3a93ce536dbe." ; dct:format ; dct:issued "2026-10-26T09:16:21.865851"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-27T05:12:44.040502"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Zdroj: datový podklad © IPR Praha (CC BY 4.0)" ] ; dct:title "praha-mesto model.schema.json" ; spdx:checksum [ a spdx:Checksum ; spdx:algorithm spdx:checksumAlgorithm_sha256 ; spdx:checksumValue "763910d010b65ba64de85bb55d6b7f72c2bfb4ebf33b7955948f3a93ce536dbe"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "3862"^^xsd:nonNegativeInteger ; dcat:mediaType . a dcat:Distribution ; dct:description "The data model as LinkML; sha256 add2b2381f0d812f7769a143a369a01a22401670350be19860892860cf391a3f." ; dct:format ; dct:issued "2026-10-26T09:16:21.865851"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-27T05:12:44.040268"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Zdroj: datový podklad © IPR Praha (CC BY 4.0)" ] ; dct:title "praha-mesto model.linkml.yaml" ; spdx:checksum [ a spdx:Checksum ; spdx:algorithm spdx:checksumAlgorithm_sha256 ; spdx:checksumValue "add2b2381f0d812f7769a143a369a01a22401670350be19860892860cf391a3f"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "9275"^^xsd:nonNegativeInteger ; dcat:mediaType . a dcat:Distribution ; dct:description "The data model as RDF; sha256 a1b48f9db8c41054319d2aaa9dafea973d394aef58db1b0b6bbeda0ce16d7dd6." ; dct:format ; dct:issued "2026-10-26T09:16:21.865851"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-27T05:12:44.040444"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Zdroj: datový podklad © IPR Praha (CC BY 4.0)" ] ; dct:title "praha-mesto model.rdf.ttl" ; spdx:checksum [ a spdx:Checksum ; spdx:algorithm spdx:checksumAlgorithm_sha256 ; spdx:checksumValue "a1b48f9db8c41054319d2aaa9dafea973d394aef58db1b0b6bbeda0ce16d7dd6"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "2074"^^xsd:nonNegativeInteger ; dcat:mediaType . a dcat:Distribution ; dct:description "The data model as Markdown; sha256 7882dfd1ab46d361f2f302db485d9dac67aab6266dac5823a4c91b01766ecd13." ; dct:format ; dct:issued "2026-10-26T09:16:21.865851"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-27T05:12:44.040327"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Zdroj: datový podklad © IPR Praha (CC BY 4.0)" ] ; dct:title "praha-mesto model.md" ; spdx:checksum [ a spdx:Checksum ; spdx:algorithm spdx:checksumAlgorithm_sha256 ; spdx:checksumValue "7882dfd1ab46d361f2f302db485d9dac67aab6266dac5823a4c91b01766ecd13"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "2543"^^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 EmissionSource entities: curl -H 'Accept: application/ld+json' 'https://api.smartcity.joinedcontext.com/api/endpoint/7dsa6hegkwyvbry43o4uc4alu4jbqqci/ngsi-ld/v1/entities?type=EmissionSource&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/7dsa6hegkwyvbry43o4uc4alu4jbqqci""" ; dct:format ; dct:issued "2026-10-26T09:16:21.865851"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-27T05:12:44.039541"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Zdroj: datový podklad © IPR Praha (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 "2026-10-26T09:16:21.865851"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-27T05:12:44.040140"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Zdroj: datový podklad © IPR Praha (CC BY 4.0)" ] ; dct:title "DCAT-AP record" ; 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/7dsa6hegkwyvbry43o4uc4alu4jbqqci/odata/v4/. In Power BI: Get data, OData feed, the same URL. With curl: curl 'https://api.smartcity.joinedcontext.com/api/endpoint/7dsa6hegkwyvbry43o4uc4alu4jbqqci/odata/v4/' Its entity sets: https://api.smartcity.joinedcontext.com/api/endpoint/7dsa6hegkwyvbry43o4uc4alu4jbqqci/odata/v4/EmissionSource. 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/7dsa6hegkwyvbry43o4uc4alu4jbqqci""" ; dct:issued "2026-10-26T09:16:21.865851"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-27T05:12:44.039960"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Zdroj: datový podklad © IPR Praha (CC BY 4.0)" ] ; dct:title "OData v4" ; dcat:accessURL ; dcat:mediaType . a dcat:Distribution ; dct:description "The data model as OWL; sha256 6b8adfc60159b5491de1cddf794e156b249ab541b90bc1afac758cfe08b5a9b7." ; dct:format ; dct:issued "2026-10-26T09:16:21.865851"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-27T05:12:44.040387"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Zdroj: datový podklad © IPR Praha (CC BY 4.0)" ] ; dct:title "praha-mesto model.owl.ttl" ; spdx:checksum [ a spdx:Checksum ; spdx:algorithm spdx:checksumAlgorithm_sha256 ; spdx:checksumValue "6b8adfc60159b5491de1cddf794e156b249ab541b90bc1afac758cfe08b5a9b7"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "4165"^^xsd:nonNegativeInteger ; dcat:mediaType . a dcat:Distribution ; dct:description "The data model as SHACL; sha256 f29e724795aac61057ab6bed3a5161db4f5e6608123e38440dcf71408c452dbe." ; dct:format ; dct:issued "2026-10-26T09:16:21.865851"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-27T05:12:44.040560"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Zdroj: datový podklad © IPR Praha (CC BY 4.0)" ] ; dct:title "praha-mesto model.shacl.ttl" ; spdx:checksum [ a spdx:Checksum ; spdx:algorithm spdx:checksumAlgorithm_sha256 ; spdx:checksumValue "f29e724795aac61057ab6bed3a5161db4f5e6608123e38440dcf71408c452dbe"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "6270"^^xsd:nonNegativeInteger ; dcat:mediaType . a dcat:Distribution ; dct:description "The data model as JSON-LD; sha256 d65f71b2944b74ad79b72de9f7e620d46efea958c3f3fca647fb20078df73592." ; dct:format ; dct:issued "2026-10-26T09:16:21.865851"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-27T05:12:44.040205"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Zdroj: datový podklad © IPR Praha (CC BY 4.0)" ] ; dct:title "praha-mesto context.jsonld" ; spdx:checksum [ a spdx:Checksum ; spdx:algorithm spdx:checksumAlgorithm_sha256 ; spdx:checksumValue "d65f71b2944b74ad79b72de9f7e620d46efea958c3f3fca647fb20078df73592"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "1732"^^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/7dsa6hegkwyvbry43o4uc4alu4jbqqci. 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":{"praha-zdroje-znecisteni":{"type":"http","url":"https://api.smartcity.joinedcontext.com/api/endpoint/7dsa6hegkwyvbry43o4uc4alu4jbqqci/mcp"}}} """ ; dct:format ; dct:issued "2026-10-26T09:16:21.865851"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-27T05:12:44.040026"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Zdroj: datový podklad © IPR Praha (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 foaf:Agent ; foaf:name "Hlavní město Praha" . a dct:Standard . 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 "Vyjmenované stacionární zdroje znečišťování ovzduší REZZO 1 a REZZO 2: poloha, adresa, převládající palivo a roční emise PM10, PM2,5, SO2, NOx, CO a VOC v tunách. Provozovatel se nečte. Zdroj: IPR Praha, CC BY 4.0." ; dct:identifier "7dsa6hegkwyvbry43o4uc4alu4jbqqci" ; dct:issued "2026-10-26T09:16:21.865851"^^xsd:dateTime ; dct:modified "2026-10-27T05:12:44.031818"^^xsd:dateTime ; dct:publisher ; dct:source , ; dct:spatial ; dct:title "Zdroje znečišťování ovzduší (REZZO) — Praha" ; dcat:contactPoint [ a vcard:Kind, vcard:Organization ; vcard:fn "joinedcontext platform" ; vcard:hasEmail ] ; dcat:distribution , , , , , , , , , , , , , , ; dcat:keyword "Prague", "Praha", "REZZO", "air pollution", "emise", "emissions", "pollution sources", "zdroje znečištění", "znečištění ovzduší" ; dcat:landingPage ; dcat:theme , . a dct:MediaType . spdx:checksumAlgorithm_sha256 a spdx:ChecksumAlgorithm . a dct:LicenseDocument .