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Corese is a Semantic Web Factory (triple store and SPARQL endpoint) implementing RDF, RDFS, SPARQL 1.1 Query and Update.

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#
# ?n is the st:name of a query
# get definition of query in context graph
# display query and eventually result of query
# st:get(st:query) is user query
# ?q is tutorial query
#
template st:display(?n) {

format {
   us:format("display.html")

   str(?l)
   str(?c)   
   if (bound(?r), st:format(us:format("documentation.html"), str(?r)), "")
   
   st:call-template(st:form, 
     ?n,
     coalesce(st:get(st:query), str(?q)), 
     str(?q), 
     coalesce(?s, st:null)) 
     
   st:call-template(st:result)
 }
      
}
where {
  # named graph that contains definition of queries
  bind (st:get(st:context) as ?g)
  graph ?g {
    ?qt st:name    ?n ;
      rdfs:label   ?l ;
      rdfs:comment ?c ;
      st:query     ?q
      optional { ?qt st:reference ?r }
      optional { ?qt st:solution  ?s }
      optional { ?qt sw:body  ?s }
      filter(lang(?c) = (coalesce(st:get(st:lang), "fr")))
  }
}