@prefix rdfs:    <http://www.w3.org/2000/01/rdf-schema#> .
@prefix d:       <http://learningsparql.com/ns/data#> .
@prefix dm:      <http://learningsparql.com/ns/demo#> .
@prefix xsd:     <http://www.w3.org/2001/XMLSchema#> .

dm:prob44
      rdfs:label    "Expenditures over 100 require grade 5 approval." .

d:item432
      dm:problem    dm:prob44 .

dm:probXX
      rdfs:label    "This is a dummy problem." .

dm:prob29
      rdfs:label    "Location value must be a URI." .

dm:prob32
      rdfs:label    "Amount must be an integer." .

d:item857
      dm:problem    dm:prob44 .

d:item201
      dm:problem    dm:prob44 .

d:item693
      dm:problem    dm:prob29 ;
      dm:problem    dm:prob32 .