@prefix adms: . @prefix dcat: . @prefix dcatapit: . @prefix dct: . @prefix foaf: . @prefix gsp: . @prefix locn: . @prefix owl: . @prefix rdf: . @prefix rdfs: . @prefix schema: . @prefix skos: . @prefix spdx: . @prefix time: . @prefix vcard: . @prefix xml: . @prefix xsd: . a dcatapit:Dataset, dcat:Dataset ; dct:accrualPeriodicity ; dct:description "The Duronia Observatory is one of the three operational geomagnetic observatories located in central Italy. Since 2007, it has been maintained by the Istituto Nazionale di Geofisica e Vulcanologia (INGV)." ; dct:identifier "10.13127/geomag/duronia.yearbook.2025" ; dct:issued "2026-01-01T00:00:00"^^xsd:dateTime ; dct:language ; dct:modified "2026-09-15T00:00:00"^^xsd:dateTime ; dct:publisher [ a dcatapit:Agent, foaf:Agent ; dct:identifier "N/A" ; foaf:name "Istituto Nazionale di Geofisica e Vulcanologia (INGV)"@it ] ; dct:rightsHolder [ a dcatapit:Agent, foaf:Agent ; dct:identifier "ingv" ; foaf:name "Istituto Nazionale di Geofisica e Vulcanologia"@it ] ; dct:spatial [ a dct:Location ; locn:geometry "MULTIPOINT ((14.4700 41.6500))"^^gsp:wktLiteral, "{\"type\": \"MultiPoint\",\"coordinates\": [[14.47,41.65]]}"^^ ] ; dct:temporal [ a dct:PeriodOfTime ; schema:endDate "2025-12-31T00:00:00"^^xsd:dateTime ; schema:startDate "2025-01-01T00:00:00"^^xsd:dateTime ] ; dct:title "geomag /duronia/ yearbook / 2025" ; adms:identifier [ dct:creator [ a dcatapit:Agent, foaf:Agent ; foaf:name "INGV"@en, "INGV"@it ] ; skos:notation "ingv_1240" ] ; dcat:contactPoint ; dcat:keyword "ambiente" ; dcat:landingPage ; dcat:theme . a skos:Concept ; skos:prefLabel "Wissenschaft und Technologie"@de, "Science and technology"@en, "Ciencia y tecnologĂ­a"@es, "Science et technologie"@fr, "Scienza e tecnologia"@it . a dcatapit:Organization, vcard:Kind, vcard:Organization, foaf:Organization ; vcard:fn "ingv" ; vcard:hasEmail ; vcard:hasTelephone "" ; vcard:hasURL "http://www.ingv.it/it/" ; foaf:name "Istituto Nazionale di Geofisica e Vulcanologia (INGV)" .