@prefix dcat: <http://www.w3.org/ns/dcat#> .
@prefix dcatap: <http://data.europa.eu/r5r/> .
@prefix dct: <http://purl.org/dc/terms/> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix gsp: <http://www.opengis.net/ont/geosparql#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<https://opendata.cityofathens.gr/dataset/551ddb16-5748-4f54-bde8-237e89477074> a dcat:Dataset ;
    dcatap:applicableLegislation <http://data.europa.eu/eli/reg_impl/2023/138/oj>,
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    dcatap:hvdCategory <http://data.europa.eu/bna/c_dd313021> ;
    dct:accessRights <http://publications.europa.eu/resource/authority/access-right/PUBLIC> ;
    dct:accrualPeriodicity <http://publications.europa.eu/resource/authority/frequency/HOURLY> ;
    dct:description "Ωριαίες μετρήσεις ποιότητας αέρα και περιβαλλοντικών παραμέτρων από τον σταθμό Smart Sense «Τρίγωνο Πρασίνου Αχαρνών και Λεωφ. Ιωνίας» (station_id: 87) στη γειτονιά ΑΓΙΟΣ ΕΛΕΥΘΕΡΙΟΣ Ι, 5ο Δημοτικό Διαμέρισμα. Μετρήσεις: θερμοκρασία, υγρασία, πίεση, PM1, PM2.5, PM10, CO, NO₂, O₃, SO₂, AQI. Όλες οι χρονοσημάνσεις σε UTC. Πηγή: API Ψηφιακών Υπηρεσιών Έξυπνης Γειτονιάς (Υποέργο 3, NOVA ICT)."@el,
        "Hourly air quality and environmental measurements from Smart Sense station «Trigono Prasinoy Acharnon Kai Leof Ionias» (station_id: 87) in the ΑΓΙΟΣ ΕΛΕΥΘΕΡΙΟΣ Ι neighbourhood, 5th Municipal District of Athens. Measurements: temperature, humidity, pressure, PM1, PM2.5, PM10, CO, NO₂, O₃, SO₂, AQI. All timestamps in UTC. Source: Smart Neighbourhood Digital Services API (Sub-project 3, NOVA ICT)."@en ;
    dct:identifier "551ddb16-5748-4f54-bde8-237e89477074" ;
    dct:issued "2026-03-31T09:49:55.418123"^^xsd:dateTime ;
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    dct:temporal [ a dct:PeriodOfTime ;
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    dct:title "Περιβαλλοντικά Δεδομένα — Τρίγωνο Πρασίνου Αχαρνών και Λεωφ. Ιωνίας"@el,
        "Environmental Data — Trigono Prasinoy Acharnon Kai Leof Ionias"@en ;
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    dcat:distribution <https://opendata.cityofathens.gr/dataset/551ddb16-5748-4f54-bde8-237e89477074/resource/5c362652-0f8c-4f00-8e01-00ddc21fea9b> ;
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        "O3",
        "PM10",
        "PM2.5",
        "SO2",
        "smart-neighborhood",
        "έξυπνη-γειτονιά",
        "αισθητήρες",
        "ποιότητα-αέρα" ;
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    dcat:theme <http://publications.europa.eu/resource/authority/data-theme/ENVI> .

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<http://publications.europa.eu/resource/authority/access-right/PUBLIC> a dct:RightsStatement .

<http://publications.europa.eu/resource/authority/frequency/HOURLY> a dct:Frequency .

<http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> a dct:LicenseDocument ;
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<https://eur-lex.europa.eu/eli/dir/2019/1024/oj/eng> a <http://data.europa.eu/eli/ontology#LegalResource> .

<https://opendata.cityofathens.gr/api/3/action/datastore_info> a rdfs:Resource .

<https://opendata.cityofathens.gr/api/3/action/datastore_search> a rdfs:Resource .

<https://opendata.cityofathens.gr/api/3/action/package_search> a rdfs:Resource .

<https://opendata.cityofathens.gr/dataset/551ddb16-5748-4f54-bde8-237e89477074/resource/5c362652-0f8c-4f00-8e01-00ddc21fea9b> a dcat:Distribution ;
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        "Hourly air quality readings (AQI, PM1, PM2.5, PM10, CO, NO₂, O₃, SO₂) and climate parameters (temperature, humidity, pressure) from station 87. Timestamps in UTC."@en ;
    dct:format "JSON" ;
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    dct:rights [ a dct:RightsStatement ;
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    dct:title "Ωριαίες Περιβαλλοντικές Μετρήσεις — Τρίγωνο Πρασίνου Αχαρνών και Λεωφ. Ιωνίας"@el,
        "Hourly Environmental Measurements — Trigono Prasinoy Acharnon Kai Leof Ionias"@en ;
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            dct:title "Athens Smart Neighbourhood CKAN DataStore API" ;
            dcat:endpointURL <https://opendata.cityofathens.gr/api/3/action/datastore_info>,
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<https://opendata.cityofathens.gr/dataset/env-087-trigono-prasinoy-acharnon-kai-leof-ionias> a foaf:Document .

<https://opendata.cityofathens.gr/dataset/env-087-trigono-prasinoy-acharnon-kai-leof-ionias/resource/5c362652-0f8c-4f00-8e01-00ddc21fea9b> a rdfs:Resource .

<https://opendata.cityofathens.gr/datastore/dump/5c362652-0f8c-4f00-8e01-00ddc21fea9b> a rdfs:Resource .

<https://opendata.cityofathens.gr/organization/6d8ca7d0-480a-470e-aec1-40152a8f1770> a foaf:Agent ;
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    foaf:name "Δήμος Αθηναίων" .

<https://www.iana.org/assignments/media-types/application/json> a dct:MediaType .