@prefix void: <http://rdfs.org/ns/void#> .
@prefix dcat: <http://www.w3.org/ns/dcat#> .
@prefix dct:  <http://purl.org/dc/terms/> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix owl:  <http://www.w3.org/2002/07/owl#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix prov: <http://www.w3.org/ns/prov#> .
@prefix xsd:  <http://www.w3.org/2001/XMLSchema#> .
@prefix fmt:  <http://www.w3.org/ns/formats/> .
@prefix oxa:  <https://cooljapan.tech/ns/oxiephemeris/astro#> .
@prefix :     <https://cooljapan.tech/ns/oxiephemeris/void#> .

#
# VoID + DCAT description of the OxiEphemeris Linked Open Data vocabulary.
# Lives at https://cooljapan.tech/ns/oxiephemeris/void and, by convention,
# at https://cooljapan.tech/.well-known/void .
#

:catalog a dcat:Catalog ;
    dct:title "COOLJAPAN Linked Open Data catalog"@en ;
    dct:description "Data catalog for the open datasets and vocabularies published by COOLJAPAN OÜ."@en ;
    dct:publisher <https://cooljapan.tech/#organization> ;
    dct:license <http://creativecommons.org/licenses/by/4.0/> ;
    foaf:homepage <https://cooljapan.tech/> ;
    dcat:dataset :dataset .

:dataset a void:Dataset , dcat:Dataset ;
    dct:title "OxiEphemeris astrology & ephemeris vocabulary"@en ,
              "OxiEphemeris 占星術・天文暦 語彙"@ja ;
    dct:description
        "The controlled vocabulary of OxiEphemeris, a pure-Rust astronomy and Western-astrology engine: an OWL ontology of chart classes and properties, plus SKOS concept schemes for signs, planets, aspects, dignities, house systems, and more. Concepts carry bilingual (en/ja) labels and skos:exactMatch links to Wikidata."@en ,
        "Pure Rust の天文暦・西洋占星術エンジン OxiEphemeris が用いる語彙。チャートのクラスとプロパティを定める OWL オントロジーと、星座・天体・アスペクト・品位・ハウスシステム等の SKOS 概念スキームから成る。各概念は日英ラベルと Wikidata への skos:exactMatch を持つ。"@ja ;
    dct:publisher <https://cooljapan.tech/#organization> ;
    dct:creator <https://cooljapan.tech/#organization> ;
    dct:license <http://creativecommons.org/licenses/by/4.0/> ;
    dct:issued "2026-07-11"^^xsd:date ;
    dct:modified "2026-07-11"^^xsd:date ;
    dct:language "en" , "ja" ;
    dct:source <https://github.com/cool-japan/oxiephemeris> ;
    dct:conformsTo <http://www.w3.org/TR/skos-reference/> , <http://www.w3.org/TR/owl2-overview/> ;
    foaf:homepage <https://cooljapan.tech/ns/oxiephemeris/> ;
    dcat:landingPage <https://cooljapan.tech/ns/oxiephemeris/> ;
    dcat:keyword "astrology"@en , "ephemeris"@en , "astronomy"@en ,
                 "ontology"@en , "SKOS"@en , "占星術"@ja , "天文暦"@ja ;
    void:uriSpace "https://cooljapan.tech/ns/oxiephemeris/" ;
    void:rootResource <https://cooljapan.tech/ns/oxiephemeris/> ;
    void:feature fmt:Turtle , fmt:N-Triples ;
    void:vocabulary owl: , rdfs: , skos: , prov: ,
        <http://qudt.org/schema/qudt/> ,
        <http://www.w3.org/2003/01/geo/wgs84_pos#> ,
        <http://www.w3.org/2006/time#> ,
        <http://purl.org/dc/terms/> ;
    void:triples 1378 ;
    void:classes 34 ;
    void:exampleResource
        oxa:NatalChart ,
        <https://cooljapan.tech/ns/oxiephemeris/concept/sign/Scorpio> ,
        <https://cooljapan.tech/ns/oxiephemeris/concept/planet/Sun> ;
    void:dataDump
        <https://cooljapan.tech/ns/oxiephemeris/oxiephemeris.ttl> ,
        <https://cooljapan.tech/ns/oxiephemeris/oxiephemeris.nt> ;
    void:subset :ontology , :concepts , :wikidata-links ;
    dcat:distribution :dist-full-ttl , :dist-full-nt ,
                      :dist-ontology-ttl , :dist-concepts-ttl .

# --- Subsets -------------------------------------------------------------

:ontology a void:Dataset ;
    dct:title "OxiEphemeris ontology (OWL classes & properties)"@en ;
    void:uriSpace "https://cooljapan.tech/ns/oxiephemeris/astro#" ;
    void:triples 546 ;
    void:classes 34 ;
    void:dataDump
        <https://cooljapan.tech/ns/oxiephemeris/astro.ttl> ,
        <https://cooljapan.tech/ns/oxiephemeris/astro.nt> .

:concepts a void:Dataset ;
    dct:title "OxiEphemeris SKOS concept schemes"@en ;
    void:uriSpace "https://cooljapan.tech/ns/oxiephemeris/concept/" ;
    void:triples 832 ;
    void:entities 77 ;
    void:dataDump
        <https://cooljapan.tech/ns/oxiephemeris/concepts.ttl> ,
        <https://cooljapan.tech/ns/oxiephemeris/concepts.nt> .

:wikidata-links a void:Linkset ;
    dct:title "skos:exactMatch links from OxiEphemeris concepts to Wikidata"@en ;
    void:triples 22 ;
    void:linkPredicate skos:exactMatch ;
    void:subjectsTarget :dataset ;
    void:objectsTarget <https://www.wikidata.org/> ;
    void:target :dataset , <https://www.wikidata.org/> .

# --- DCAT distributions --------------------------------------------------

:dist-full-ttl a dcat:Distribution ;
    dct:title "Full vocabulary — Turtle"@en ;
    dcat:downloadURL <https://cooljapan.tech/ns/oxiephemeris/oxiephemeris.ttl> ;
    dcat:mediaType <https://www.iana.org/assignments/media-types/text/turtle> ;
    dct:format fmt:Turtle .

:dist-full-nt a dcat:Distribution ;
    dct:title "Full vocabulary — N-Triples"@en ;
    dcat:downloadURL <https://cooljapan.tech/ns/oxiephemeris/oxiephemeris.nt> ;
    dcat:mediaType <https://www.iana.org/assignments/media-types/application/n-triples> ;
    dct:format fmt:N-Triples .

:dist-ontology-ttl a dcat:Distribution ;
    dct:title "Ontology only — Turtle"@en ;
    dcat:downloadURL <https://cooljapan.tech/ns/oxiephemeris/astro.ttl> ;
    dcat:mediaType <https://www.iana.org/assignments/media-types/text/turtle> ;
    dct:format fmt:Turtle .

:dist-concepts-ttl a dcat:Distribution ;
    dct:title "Concept schemes only — Turtle"@en ;
    dcat:downloadURL <https://cooljapan.tech/ns/oxiephemeris/concepts.ttl> ;
    dcat:mediaType <https://www.iana.org/assignments/media-types/text/turtle> ;
    dct:format fmt:Turtle .

# --- Publisher -----------------------------------------------------------

<https://cooljapan.tech/#organization> a foaf:Organization ;
    foaf:name "COOLJAPAN OÜ" ;
    foaf:homepage <https://cooljapan.tech/> .