Difference between revisions of "Project:Useful Queries"

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(Created page with "= Example Queries = Query Service: {{MediaWiki:QueryServiceURL}} == Select item that contains certain string == {{SPARQL2|query= SELECT ?item ?itemLabel WHERE { ?item r...")
 
 
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{{SPARQL2|query=
 
{{SPARQL2|query=
 
{{Project:Type_Complete_Query}}
 
{{Project:Type_Complete_Query}}
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}}
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== List all the properties used by items within OpenDS ==
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{{SPARQL2|query=
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SELECT ?property ?propertyLabel (COUNT (?item) as ?count) WHERE{
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  ?item wdt:P8 wd:Q17;
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        ?prop ?statement.
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  ?property wikibase:directClaim ?prop.
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  FILTER (?property != wd:P8)
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  SERVICE wikibase:label { bd:serviceParam wikibase:language "en" .}
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}
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GROUP BY $property ?propertyLabel
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ORDER BY DESC(?count)
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}}
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== List all Type objects within OpenDS ==
 +
 +
{{SPARQL2|query=
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{{Project:List_Types_Query}}
 
}}
 
}}

Latest revision as of 10:37, 7 December 2022

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}


List all authoritative items

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

The following query uses these:

  • 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}
    

All items and sections from a Type

The following query uses these:

  • 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
    

List all the properties used by items within OpenDS

The following query uses these:

  • Properties: is part of (P8)
     1SELECT ?property ?propertyLabel (COUNT (?item) as ?count) WHERE{
     2  ?item wdt:P8 wd:Q17;
     3        ?prop ?statement.
     4  ?property wikibase:directClaim ?prop.
     5  FILTER (?property != wd:P8)
     6  SERVICE wikibase:label { bd:serviceParam wikibase:language "en" .}
     7  
     8}
     9GROUP BY $property ?propertyLabel
    10ORDER BY DESC(?count)
    

List all Type objects within OpenDS

The following query uses these:

  • Properties: instance of (P1), is part of (P8), Concept Name (P26)
    1SELECT ?type ?typeLabel ?conceptName WHERE {
    2  ?type wdt:P1 wd:Q15.
    3  ?type wdt:P8 wd:Q17.
    4  ?type wdt:P26 ?conceptName .
    5  SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
    6}