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Wikidata:WikiProject Names/reports

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The maintenance reports and queries that can help improve the data in scope of WikiProject Names:

Constraint reports

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Regularly updated reports and dynamic lists

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(given names)

(surnames)

(labels on items used by P735/P734: mixed and identical)

Project reports

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Queries

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Family name doubles detection

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(cette requête ne doit renvoyer aucun résultat)

The following query uses these:

  • Properties: instance of (P31)     , family name (P734)     
    SELECT DISTINCT ?nameitem ?nameitem_label ?disambigitem ?disambigitem_label WHERE {
  #Family names that are just family names
  {
    SELECT DISTINCT ?nameitem ?nameitem_label (COUNT(?type) as ?nb) WHERE {
      ?nameitem wdt:P31 wd:Q101352 .
      ?nameitem wdt:P31 ?type .	
      ?nameitem rdfs:label ?nameitem_label . FILTER (LANG(?nameitem_label) = "en") .
    } GROUP BY ?nameitem ?nameitem_label HAVING (?nb = 1)
  }
  
  #Family names that are both family names and disambig pages
  {
    SELECT DISTINCT ?disambigitem ?disambigitem_label WHERE {
      ?disambigitem wdt:P31 wd:Q101352 .
      ?disambigitem wdt:P31 wd:Q4167410 .
      ?person wdt:P734 ?disambigitem .
      
      ?disambigitem rdfs:label ?disambigitem_label . FILTER (LANG(?disambigitem_label) = "en") .
    }
  }
  
  FILTER(?nameitem_label = ?disambigitem_label)
} LIMIT 10
Try it!
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