Help:SPARQL

Questa pagina conterrà esempi dettagliati per usare lo endpoint SPARQL.

Si tratta di una caratteristica sperimentale.

Dove si trova

L'interfaccia umana è disponibile a https://query.wikitrek.org, lo endpoint API si trova a https://query.wikitrek.org/sparql

A cosa serve

Elenco da organizzare:

• Guida https://en.wikipedia.org/wiki/SPARQL
• Esempi https://www.wikidata.org/wiki/Wikidata:SPARQL_query_service/queries/examples

Elenco dei prefissi personalizzati

I prefissi personalizzati permettono distinguono i dati specifici di DataTrek da quelli di Wikidata. Questo è l'elenco completo, non necessariamente tutti i prefissi servono in tutte le query.

PREFIX dtk:     <https://data.wikitrek.org/entity/>
PREFIX dtkdata: <https://data.wikitrek.org/wiki/Special:EntityData/>
PREFIX dtks:    <https://data.wikitrek.org/entity/statement/>
PREFIX dtkref:  <https://data.wikitrek.org/reference/>
PREFIX dtkv:    <https://data.wikitrek.org/value/>
PREFIX dtkp:    <https://data.wikitrek.org/prop/>
PREFIX dtkps:   <https://data.wikitrek.org/prop/statement/>
PREFIX dtkpsv:  <https://data.wikitrek.org/prop/statement/value/>
PREFIX dtkpsn:  <https://data.wikitrek.org/prop/statement/value-normalized/>
PREFIX dtkpq:   <https://data.wikitrek.org/prop/qualifier/>
PREFIX dtkpqv:  <https://data.wikitrek.org/prop/qualifier/value/>
PREFIX dtkpqn:  <https://data.wikitrek.org/prop/qualifier/value-normalized/>
PREFIX dtkpr:   <https://data.wikitrek.org/prop/reference/>
PREFIX dtkprv:  <https://data.wikitrek.org/prop/reference/value/>
PREFIX dtkprn:  <https://data.wikitrek.org/prop/reference/value-normalized/>
PREFIX dtkt:    <https://data.wikitrek.org/prop/direct/>
PREFIX dtktn:   <https://data.wikitrek.org/prop/direct-normalized/>
PREFIX dtkno:   <https://data.wikitrek.org/prop/novalue/>

Codice di esempio

Episodi

Episodi di Lower Decks

Elenco di episodi di Lower Decks

PREFIX wd: <https://data.wikitrek.org/entity/>
PREFIX wdt: <https://data.wikitrek.org/prop/direct/>
	
SELECT ?episode ?episodeLabel ?publication ?production WHERE {
  ?episode wdt:P14 wd:Q10317;
           wdt:P101 ?publication;
           wdt:P1 ?production
  SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE]". }
  }
ORDER BY ASC (?production)

Episodi di Lower Decks (nuovi prefissi)

Elenco di episodi di Lower Decks con modifiche al prefisso come da https://prefix.cc/dtk, vedere anche il task 335448 e i primi passi.

#Episodi di Lower Decks
PREFIX dtk: <https://data.wikitrek.org/entity/>
PREFIX dtkt: <https://data.wikitrek.org/prop/direct/>
PREFIX dtkref: <https://data.wikitrek.org/reference/>
PREFIX dtkval: <https://data.wikitrek.org/value/>
	
SELECT ?episode ?episodeLabel ?publication ?production WHERE {
  ?episode dtkt:P14 dtk:Q10317;
           dtkt:P101 ?publication;
           dtkt:P1 ?production
  SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE]". }
  }
ORDER BY ASC (?production)

Episodi di Prodigy

Elenco di episodi di Prodigy

PREFIX wd: <https://data.wikitrek.org/entity/>
PREFIX wdt: <https://data.wikitrek.org/prop/direct/>
	
SELECT ?episode ?episodeLabel ?publication ?production WHERE {
  ?episode wdt:P14 wd:Q10692;
           wdt:P101 ?publication;
           wdt:P1 ?production
  SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE]". }
  }
ORDER BY ASC (?production)

Attori

Totale degli attori

Elenco di episodi di Lower Decks

# Totale degli attori
PREFIX dtk: <https://data.wikitrek.org/entity/>
PREFIX dtkt: <https://data.wikitrek.org/prop/direct/>
PREFIX dtkref: <https://data.wikitrek.org/reference/>
PREFIX dtkval: <https://data.wikitrek.org/value/>
PREFIX dtkpq: <https://commons.wikimedia.org/prop/qualifier/>

SELECT (COUNT(*) AS ?count)
WHERE {
  ?item dtkt:P77 dtk:Q19 .
}

Sitelinks

Sitelinks di tutti gli elementi

Elenco di tutti gli elementi con relativi Sitelinks.

PREFIX dtkt:    <https://data.wikitrek.org/prop/direct/>

SELECT ?item ?itemLabel ?sitelink ?site ?title WHERE {
  ?item dtkt:P14 ?type.
  ?sitelink schema:about ?item;
    schema:isPartOf ?site;
    schema:name ?title;
    schema:inLanguage ?language.
  SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE]". }
}
LIMIT 100

Sitelinks di Memory Alpha e Beta

Elenco di tutti gli elementi con relativi Sitelinks solo se relativi a Memory Alpha o Beta.

PREFIX dtkt:    <https://data.wikitrek.org/prop/direct/>

SELECT ?item ?itemLabel ?enMA ?enMB ?deMA ?deMB ?itMA
WHERE {
  ?item dtkt:P14 ?type.
    
  ?sitelink schema:about ?item;
    schema:isPartOf ?site;
    schema:name ?title;
    schema:inLanguage ?language.
  
  FILTER(CONTAINS(LCASE(STR(?sitelink)), "memory"))
  
  BIND(IF(CONTAINS(STR(?sitelink), "alpha.fandom.com/de/"), ?sitelink, "") AS ?deMA)
  BIND(IF(CONTAINS(STR(?sitelink), "beta.fandom.com/de/"), ?sitelink, "") AS ?deMB)
  BIND(IF(CONTAINS(STR(?sitelink), "alpha.fandom.com/wiki/"), ?sitelink, "") AS ?enMA)
  BIND(IF(CONTAINS(STR(?sitelink), "beta.fandom.com/wiki/"), ?sitelink, "") AS ?enMB)
  BIND(IF(CONTAINS(STR(?sitelink), "alpha.fandom.com/it/"), ?sitelink, "") AS ?itMA)
  
  SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE]". }
}
GROUP BY ?item ?itemLabel ?enMA ?enMB ?deMA ?deMB ?itMA
LIMIT 100

Sitelinks non raggruppati

Sitelinks non raggruppati.

PREFIX dtk:     <https://data.wikitrek.org/entity/>
PREFIX dtkdata: <https://data.wikitrek.org/wiki/Special:EntityData/>
PREFIX dtks:    <https://data.wikitrek.org/entity/statement/>
PREFIX dtkref:  <https://data.wikitrek.org/reference/>
PREFIX dtkv:    <https://data.wikitrek.org/value/>
PREFIX dtkp:    <https://data.wikitrek.org/prop/>
PREFIX dtkps:   <https://data.wikitrek.org/prop/statement/>
PREFIX dtkpsv:  <https://data.wikitrek.org/prop/statement/value/>
PREFIX dtkpsn:  <https://data.wikitrek.org/prop/statement/value-normalized/>
PREFIX dtkpq:   <https://data.wikitrek.org/prop/qualifier/>
PREFIX dtkpqv:  <https://data.wikitrek.org/prop/qualifier/value/>
PREFIX dtkpqn:  <https://data.wikitrek.org/prop/qualifier/value-normalized/>
PREFIX dtkpr:   <https://data.wikitrek.org/prop/reference/>
PREFIX dtkprv:  <https://data.wikitrek.org/prop/reference/value/>
PREFIX dtkprn:  <https://data.wikitrek.org/prop/reference/value-normalized/>
PREFIX dtkt:    <https://data.wikitrek.org/prop/direct/>
PREFIX dtktn:   <https://data.wikitrek.org/prop/direct-normalized/>
PREFIX dtkno:   <https://data.wikitrek.org/prop/novalue/>

SELECT ?episode ?episodeLabel ?publication ?production ?sitelink WHERE {
  ?episode dtkt:P14 dtk:Q10317;
           dtkt:P101 ?publication;
           dtkt:P1 ?production.
           
  # Get the sitelinks for these items
  ?sitelink schema:about ?episode ;
            schema:isPartOf ?site;            
            schema:name ?title;            
            schema:inLanguage ?language .
  
  SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE]". }
  }
ORDER BY ASC (?production)

Sitelinks esperimento

Esperimento con Sitelinks.

PREFIX dtkt:    <https://data.wikitrek.org/prop/direct/>

SELECT ?item ?itemLabel
       (GROUP_CONCAT(DISTINCT ?deMA; separator=", ") AS ?deMA_list)
       (GROUP_CONCAT(DISTINCT ?deMB; separator=", ") AS ?deMB_list)
       (GROUP_CONCAT(DISTINCT ?sitelink; separator=", ") AS ?sitelink_list)
WHERE {
  ?item dtkt:P14 ?type.
    
  ?sitelink schema:about ?item;
            schema:isPartOf ?site;
            schema:name ?title;
            schema:inLanguage ?language.
  
  FILTER(CONTAINS(LCASE(STR(?sitelink)), "memory"))
  
  BIND(IF(CONTAINS(STR(?sitelink), "alpha.fandom.com/de/"), ?sitelink, "") AS ?deMA)
  BIND(IF(CONTAINS(STR(?sitelink), "beta.fandom.com/de/"), ?sitelink, "") AS ?deMB)
  
  SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE]". }
}
GROUP BY ?item ?itemLabel
LIMIT 100

Oggetti

Pianeti e sistemi dell'Impero Romulano

#Episodi di Lower Decks
PREFIX wd: <https://data.wikitrek.org/entity/>
PREFIX wdt: <https://data.wikitrek.org/prop/direct/>
	
SELECT ?planet ?planetLabel WHERE {
  ?planet wdt:P40 wd:Q11008;
          wdt:P14 wd:Q102 UNION wdt:P14 wd:Q95
  SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE]". }
  }
ORDER BY ASC (?planet)