Project:Useful Queries

Example Queries

Query Service: https://modelling.dissco.tech/query/

Select item that contains certain string

The following query uses these:

1SELECT ?item ?itemLabel
2WHERE { 
3  ?item rdfs:label ?itemLabel. 
4  FILTER(CONTAINS(LCASE(?itemLabel), "concept"@en)). 
5}

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List all authoritative items

All the items that have the property "in Concept Group": authoritative.

The following query uses these:

• Items: primary specimen data (Q22)

• Properties: in Concept Group (P4)

  1SELECT ?item ?itemLabel WHERE {
  2  ?item wdt:P4 wd:Q22.
  3  SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
  4}
  

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All items and sections from a Type

The following query uses these:

• Items: Digital Specimen (Q29), Section (Q28)

• Properties: subclass of (P14), instance of (P1), example (P18), has datatype (P10), minimum (P37), maximum (P38), Concept Namespace (P33), contains (P44), in Concept Group (P4), export order (P45), is mandatory (P9)

   1SELECT ?section ?sectionLabel ?item ?itemLabel ?itemDescription ?example ?dataType ?min ?max ?mandatory ?namespace WHERE {
   2  #the type to export is ODStype1802
   3  BIND(wd:Q29 as $type).
   4  
   5  {
   6    #get all of the statements that are not sections
   7    ?type wdt:P14?/p:P44 ?statement.
   8    ?statement ps:P44 ?item.
   9    OPTIONAL{
  10      ?statement pqv:P45/wikibase:quantityAmount ?order.
  11    }
  12    MINUS {?item wdt:P1 wd:Q28}.
  13  }UNION{
  14    #get all of the sections
  15    ?type p:P44 ?statement.
  16    ?statement ps:P44 ?section.
  17    ?statement pqv:P45/wikibase:quantityAmount ?order.
  18    ?section wdt:P1 wd:Q28.
  19  
  20    #get the items of the section
  21    ?item p:P4 ?sectionStatement.
  22    ?sectionStatement ps:P4 ?section.
  23    OPTIONAL{
  24      ?sectionStatement pqv:P9/wikibase:quantityAmount ?mandatoryInternal.
  25      
  26    }
  27  }
  28  #additional optional properties
  29  OPTIONAL {?item wdt:P18 ?example}
  30  OPTIONAL {?item wdt:P10 ?dataType}
  31  OPTIONAL {?item wdt:P37 ?min}
  32  OPTIONAL {?item wdt:P38 ?max}
  33  OPTIONAL {?item wdt:P33 ?namespace}
  34  BIND(IF(BOUND(?mandatoryInternal),?mandatoryInternal,"0") AS ?mandatory)
  35  SERVICE wikibase:label { bd:serviceParam wikibase:language "en". }
  36  
  37 }ORDER BY ?order
  

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