| 1 | prefix skos: <http://www.w3.org/2004/02/skos/core#>
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| 2 | prefix dct: <http://purl.org/dc/terms/>
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| 3 | prefix xsd: <http://www.w3.org/2001/XMLSchema#>
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| 4 |
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| 5 | PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
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| 6 | PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
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| 7 |
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| 8 | prefix dbc: <http://dbpedia.org/resource/Category:>
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| 9 | prefix dbr: <http://dbpedia.org/resource/>
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| 10 | prefix dbp: <http://dbpedia.org/property/>
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| 11 |
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| 12 | PREFIX dbo: <http://dbpedia.org/ontology/>
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| 13 |
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| 14 | PREFIX prov: <http://www.w3.org/ns/prov#>
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| 15 |
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| 16 |
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| 17 | SELECT ?countries_in_esc_by_year ?country_in_year (?year AS ?Year) (?country AS ?Country)
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| 18 | ?entrant (?entrant_label AS ?Creator) ?song (?song_label AS ?Title) (?was_derived_from AS ?WikipediaURL)
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| 19 | WHERE {
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| 20 | SERVICE <https://dbpedia.demo.openlinksw.com/sparql> {
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| 21 | ?countries_in_esc_by_year skos:broader dbc:Countries_in_the_Eurovision_Song_Contest_by_year.
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| 22 |
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| 23 | ?country_in_year dct:subject ?countries_in_esc_by_year.
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| 24 | bind( REPLACE(str(?country_in_year), ".*(\\d{4})", "$1") AS ?year).
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| 25 | FILTER ( xsd:integer(?year) < 1969).
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| 26 |
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| 27 | ?country_in_year dbp:country ?country.
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| 28 |
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| 29 | ?country_in_year dbp:entrant ?entrant.
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| 30 | }
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| 31 |
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| 32 | # OPTIONAL {
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| 33 | ?entrant_errata_uri dct:source ?entrant.
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| 34 | # }
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| 35 |
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| 36 | BIND (IF(isIRI(?entrant),?entrant,?entrant_errata_uri) AS ?entrant_robust)
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| 37 |
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| 38 | SERVICE <https://dbpedia.demo.openlinksw.com/sparql> {
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| 39 |
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| 40 | ?country_in_year dbp:song ?song.
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| 41 |
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| 42 | }
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| 43 |
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| 44 | # OPTIONAL {
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| 45 | ?song_errata_uri dct:source ?song.
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| 46 | # }
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| 47 |
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| 48 | BIND (IF(isIRI(?song),?song,?song_errata_uri) AS ?song_robust)
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| 49 |
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| 50 | SERVICE <https://dbpedia.demo.openlinksw.com/sparql> {
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| 51 |
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| 52 | ?entrant_robust rdfs:label ?entrant_label
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| 53 | FILTER (lang(?entrant_label) = 'en').
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| 54 |
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| 55 |
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| 56 | ?song_robust rdfs:label ?song_label_raw
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| 57 | FILTER (lang(?song_label_raw) = 'en').
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| 58 |
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| 59 | # Create more DL friendly song-title metadata from Wikipedia song-label
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| 60 | BIND(REPLACE(?song_label_raw, "\\s*\\(.*?song\\)$", "", "i") AS ?song_label).
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| 61 |
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| 62 | OPTIONAL {
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| 63 | ?song_robust prov:wasDerivedFrom ?was_derived_from
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| 64 | }
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| 65 | }
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| 66 | }
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| 67 | ORDER BY ASC(?countries_in_esc_by_year) ?country
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