@prefix dcat: . @prefix dct: . @prefix foaf: . @prefix prov: . @prefix rdfs: . @prefix skos: . @prefix spdx: . @prefix vcard: . @prefix xsd: . a dct:Location . a foaf:Agent ; foaf:name "Ajuntament de Barcelona" . 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 dct:Standard . a dcat:Dataset ; dct:description "Els arbres d'interès local de la ciutat de Barcelona, CC BY 4.0." ; dct:title "Arbres d'interès local" . a dcat:Distribution ; dct:description "The data model as SHACL; sha256 705e3748fb8568a086c14503c7cd074cd94d8affdad9ac2c4c69aa76df7aa0ef." ; dct:format ; dct:issued "2026-10-26T07:58:51.511560"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-27T04:30:22.542906"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Font: Ajuntament de Barcelona, Open Data BCN, CC BY 4.0" ] ; dct:title "barcelona model.shacl.ttl" ; spdx:checksum [ a spdx:Checksum ; spdx:algorithm spdx:checksumAlgorithm_sha256 ; spdx:checksumValue "705e3748fb8568a086c14503c7cd074cd94d8affdad9ac2c4c69aa76df7aa0ef"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "4381"^^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 PointOfInterest entities: curl -H 'Accept: application/ld+json' 'https://api.smartcity.joinedcontext.com/api/endpoint/kxklwmn7xk6rfp3suzdp2cqgsajjlf3z/ngsi-ld/v1/entities?type=PointOfInterest&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/kxklwmn7xk6rfp3suzdp2cqgsajjlf3z""" ; dct:format ; dct:issued "2026-10-26T07:58:51.511560"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-27T04:30:22.542040"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Font: Ajuntament de Barcelona, Open Data BCN, 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 as RDF; sha256 4461c9169e7322f62af4e0ae09319181eae39df2872b9be516b862a315dabddb." ; dct:format ; dct:issued "2026-10-26T07:58:51.511560"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-27T04:30:22.542782"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Font: Ajuntament de Barcelona, Open Data BCN, CC BY 4.0" ] ; dct:title "barcelona model.rdf.ttl" ; spdx:checksum [ a spdx:Checksum ; spdx:algorithm spdx:checksumAlgorithm_sha256 ; spdx:checksumValue "4461c9169e7322f62af4e0ae09319181eae39df2872b9be516b862a315dabddb"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "1165"^^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/kxklwmn7xk6rfp3suzdp2cqgsajjlf3z. 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":{"local-trees":{"type":"http","url":"https://api.smartcity.joinedcontext.com/api/endpoint/kxklwmn7xk6rfp3suzdp2cqgsajjlf3z/mcp"}}} """ ; dct:format ; dct:issued "2026-10-26T07:58:51.511560"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-27T04:30:22.542211"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Font: Ajuntament de Barcelona, Open Data BCN, 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 OWL; sha256 6628dd307749b88c8ab4bd6fcde6ce3769e69ed88114ef4e0fa95005a961e0d3." ; dct:format ; dct:issued "2026-10-26T07:58:51.511560"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-27T04:30:22.542726"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Font: Ajuntament de Barcelona, Open Data BCN, CC BY 4.0" ] ; dct:title "barcelona model.owl.ttl" ; spdx:checksum [ a spdx:Checksum ; spdx:algorithm spdx:checksumAlgorithm_sha256 ; spdx:checksumValue "6628dd307749b88c8ab4bd6fcde6ce3769e69ed88114ef4e0fa95005a961e0d3"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "3520"^^xsd:nonNegativeInteger ; dcat:mediaType . a dcat:Distribution ; dct:description "The data model as LinkML; sha256 2538d668d30738b4d365bd37d740f9f371c7b243d717cb0fe2ade1d6cd03441e." ; dct:format ; dct:issued "2026-10-26T07:58:51.511560"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-27T04:30:22.542604"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Font: Ajuntament de Barcelona, Open Data BCN, CC BY 4.0" ] ; dct:title "barcelona model.linkml.yaml" ; spdx:checksum [ a spdx:Checksum ; spdx:algorithm spdx:checksumAlgorithm_sha256 ; spdx:checksumValue "2538d668d30738b4d365bd37d740f9f371c7b243d717cb0fe2ade1d6cd03441e"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "5932"^^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/kxklwmn7xk6rfp3suzdp2cqgsajjlf3z/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/kxklwmn7xk6rfp3suzdp2cqgsajjlf3z/ogc/features/. With curl: curl 'https://api.smartcity.joinedcontext.com/api/endpoint/kxklwmn7xk6rfp3suzdp2cqgsajjlf3z/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/kxklwmn7xk6rfp3suzdp2cqgsajjlf3z""" ; dct:format ; dct:issued "2026-10-26T07:58:51.511560"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-27T04:30:22.542327"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Font: Ajuntament de Barcelona, Open Data BCN, 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 Markdown; sha256 4a1eb1c3be22b14fa52a89f24fa4e6c9186514cb71516dafca1417a1aa232bfc." ; dct:format ; dct:issued "2026-10-26T07:58:51.511560"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-27T04:30:22.542667"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Font: Ajuntament de Barcelona, Open Data BCN, CC BY 4.0" ] ; dct:title "barcelona model.md" ; spdx:checksum [ a spdx:Checksum ; spdx:algorithm spdx:checksumAlgorithm_sha256 ; spdx:checksumValue "4a1eb1c3be22b14fa52a89f24fa4e6c9186514cb71516dafca1417a1aa232bfc"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "2486"^^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 "2026-10-26T07:58:51.511560"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-27T04:30:22.542488"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Font: Ajuntament de Barcelona, Open Data BCN, CC BY 4.0" ] ; dct:title "DCAT-AP record" ; dcat:accessURL ; dcat:mediaType . a dcat:Distribution ; dct:description "The data model as JSON-LD; sha256 b77d65b37e6a3048e1b4975942aed13318ee3452bb7a6fc27ff3667251abeb06." ; dct:format ; dct:issued "2026-10-26T07:58:51.511560"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-27T04:30:22.542544"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Font: Ajuntament de Barcelona, Open Data BCN, CC BY 4.0" ] ; dct:title "barcelona context.jsonld" ; spdx:checksum [ a spdx:Checksum ; spdx:algorithm spdx:checksumAlgorithm_sha256 ; spdx:checksumValue "b77d65b37e6a3048e1b4975942aed13318ee3452bb7a6fc27ff3667251abeb06"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "647"^^xsd:nonNegativeInteger ; dcat:mediaType . a dcat:Distribution ; dct:description "The data model as JSON Schema; sha256 eeb1e9fe8c78c3d4bd904631176febec7c543dbbc73249bf8b823f0374f59f7f." ; dct:format ; dct:issued "2026-10-26T07:58:51.511560"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-27T04:30:22.542837"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Font: Ajuntament de Barcelona, Open Data BCN, CC BY 4.0" ] ; dct:title "barcelona model.schema.json" ; spdx:checksum [ a spdx:Checksum ; spdx:algorithm spdx:checksumAlgorithm_sha256 ; spdx:checksumValue "eeb1e9fe8c78c3d4bd904631176febec7c543dbbc73249bf8b823f0374f59f7f"^^xsd:hexBinary ] ; dcat:accessURL ; dcat:byteSize "3239"^^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.smartcity.joinedcontext.com/api/endpoint/kxklwmn7xk6rfp3suzdp2cqgsajjlf3z/odata/v4/. In Power BI: Get data, OData feed, the same URL. With curl: curl 'https://api.smartcity.joinedcontext.com/api/endpoint/kxklwmn7xk6rfp3suzdp2cqgsajjlf3z/odata/v4/' Its entity sets: https://api.smartcity.joinedcontext.com/api/endpoint/kxklwmn7xk6rfp3suzdp2cqgsajjlf3z/odata/v4/PointOfInterest. 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/kxklwmn7xk6rfp3suzdp2cqgsajjlf3z""" ; dct:issued "2026-10-26T07:58:51.511560"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-27T04:30:22.542381"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Font: Ajuntament de Barcelona, Open Data BCN, 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/kxklwmn7xk6rfp3suzdp2cqgsajjlf3z/file.csv' Open to anyone, with no sign-in.""" ; dct:format ; dct:issued "2026-10-26T07:58:51.511560"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-27T04:30:22.542145"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Font: Ajuntament de Barcelona, Open Data BCN, CC BY 4.0" ] ; dct:title "CSV" ; 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/kxklwmn7xk6rfp3suzdp2cqgsajjlf3z/ws' {"metadata":{"x-op":"x-subscribe","x-id":"s1"},"body":{"type":"Subscription","entities":[{"type":"PointOfInterest"}]}} 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 "2026-10-26T07:58:51.511560"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-27T04:30:22.542271"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Font: Ajuntament de Barcelona, Open Data BCN, 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 "2026-10-26T07:58:51.511560"^^xsd:dateTime ; dct:license ; dct:modified "2026-10-27T04:30:22.542435"^^xsd:dateTime ; dct:rights [ a dct:RightsStatement ; rdfs:label "Font: Ajuntament de Barcelona, Open Data BCN, CC BY 4.0" ] ; dct:title "Schema artifacts" ; dcat:accessURL ; dcat:mediaType . 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 "Els arbres d'interès local de Barcelona, protegits per la seva edat, mida o història: el nom (espècie i lloc), l'adreça, el districte i el punt. Font: Open Data BCN, CC BY 4.0." ; dct:identifier "kxklwmn7xk6rfp3suzdp2cqgsajjlf3z" ; dct:issued "2026-10-26T07:58:51.511560"^^xsd:dateTime ; dct:modified "2026-10-27T04:30:22.533694"^^xsd:dateTime ; dct:publisher ; dct:source ; dct:spatial ; dct:title "Arbres d'interès local de Barcelona" ; dcat:contactPoint [ a vcard:Kind, vcard:Organization ; vcard:fn "joinedcontext platform" ; vcard:hasEmail ] ; dcat:distribution , , , , , , , , , , , , , , ; dcat:keyword "arbres", "espacios verdes", "espais verds", "green spaces", "natural heritage", "patrimoni natural", "patrimonio natural", "trees", "árboles" ; dcat:landingPage ; dcat:theme ; prov:wasGeneratedBy [ a prov:Activity ; rdfs:label "pipeline local-trees" ] . a dct:MediaType . spdx:checksumAlgorithm_sha256 a spdx:ChecksumAlgorithm . a dct:LicenseDocument .