@prefix p: <http://www.wikidata.org/prop/> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix schema1: <http://schema.org/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix wd: <http://www.wikidata.org/entity/> .
@prefix wds: <http://www.wikidata.org/entity/statement/> .
@prefix wdt: <http://www.wikidata.org/prop/direct/> .
@prefix wdtn: <http://www.wikidata.org/prop/direct-normalized/> .
@prefix wikibase: <http://wikiba.se/ontology#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

wd:Q390518 rdfs:label "Problema de la il·luminació"@ca,
        "Illumination problem"@en,
        "Problema de la iluminación"@es,
        "problème de l'éclairage"@fr,
        "Problema dell'illuminazione"@it,
        "イルミネーション問題"@ja,
        "Illumination problem"@nl,
        "Problema da iluminação"@pt,
        "Задача об освещении"@ru ;
    schema1:dateModified "2026-02-15T16:23:03+00:00"^^xsd:dateTime ;
    schema1:description "problema matemàtic"@ca,
        "mathematical problem"@en,
        "problème mathématique"@fr,
        "Problema Matemático"@pt ;
    schema1:version 2463691702 ;
    wikibase:identifiers 3 ;
    wikibase:sitelinks 9 ;
    wikibase:statements 8 ;
    skos:altLabel "Problema de la iluminacion"@es ;
    p:P138 wds:Q390518-39b14d0c-4611-1292-dd06-261b584e33b0 ;
    p:P18 wds:Q390518-e98c44ab-417f-3af0-482a-2ef1a1b6140d ;
    p:P2812 wds:Q390518-68930336-4128-d387-8822-255df6ae4fc8 ;
    p:P31 wds:Q390518-F3710F7A-547A-4203-9EE9-45D6D1909D01 ;
    p:P373 wds:Q390518-ef56bd10-4a43-4816-b2d7-e5865b454e00 ;
    p:P6104 wds:Q390518-8781F6BB-A750-430E-A189-22CA2D66899D ;
    p:P6366 wds:Q390518-8843D147-59DD-4ED2-8FB7-23CA8A699AD7 ;
    p:P646 wds:Q390518-5DD3B174-37A3-4BFD-860F-E989E4F6BE8B ;
    wdtn:P6366 <https://makg.org/entity/2777180750> ;
    wdt:P138 wd:Q210064 ;
    wdt:P18 <http://commons.wikimedia.org/wiki/Special:FilePath/Penrose%20unilluminable%20room.svg> ;
    wdt:P2812 "IlluminationProblem" ;
    wdt:P31 wd:Q1166625 ;
    wdt:P373 "Illumination problem" ;
    wdt:P6104 wd:Q8487137 ;
    wdt:P6366 "2777180750" ;
    wdt:P646 "/m/0g54x3m" .