ga_ondertrouw_doop_days.rq

#+ summary: Assume an intention of marriage is close to the actual marriage. Assume a baptism is close to a child's birth. How many days after a marriage of a bride and groom is a child born? Syntax written in the Golden Agents ontology.
#+ endpoint: https://sparql.goldenagents.org/
#+ method: GET
#+ tags:
#+  - dtb

PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX ga: <https://data.goldenagents.org/ontology/>
PREFIX thes: <https://data.goldenagents.org/thesaurus/>

SELECT ?eventOTR ?eventDP ?father ?mother ?child ((?dateDP - ?dateOTR)/86400 AS ?days) WHERE {

  ?personMale a ga:Person ;
    ga:hasName ?father .

  ?personFemale a ga:Person ;
    ga:hasName ?mother .

  ?personChild a ga:Person ;
    ga:hasName ?child .

  ?eventOTR a thes:Ondertrouw ;
    ga:hasXSDDate ?dateOTR .

  ?eventDP a thes:Doop ;
    ga:hasXSDDate ?dateDP .

  ?bruidegom a thes:Bruidegom ;
    ga:carriedBy ?personMale ;
    ga:carriedIn ?eventOTR .

  ?bruid a thes:Bruid ;
    ga:carriedBy ?personFemale ;
    ga:carriedIn ?eventOTR .

  ?vader a thes:Vader ;
    ga:carriedBy ?personMale ;
    ga:carriedIn ?eventDP .

  ?moeder a thes:Moeder;
    ga:carriedBy ?personFemale ;
    ga:carriedIn ?eventDP .

  ?kind a thes:Kind ;
    ga:carriedBy ?personChild ;
    ga:carriedIn ?eventDP .

}