src/etc/testing/hygiene_parameterized/testHygiene_properties_punning_chain.sparql

prefix owl:   <http://www.w3.org/2002/07/owl#> 
prefix rdfs:  <http://www.w3.org/2000/01/rdf-schema#>
prefix rdf:   <http://www.w3.org/1999/02/22-rdf-syntax-ns#> 

##
# banner We should avoid punning object and datatype properties


SELECT DISTINCT ?error ?property
WHERE
{
    ?resource owl:propertyChainAxiom ?axiom.
    ?axiom rdf:rest*/rdf:first ?property .
    ?property rdfs:subPropertyOf*/rdf:type owl:DatatypeProperty.
    FILTER regex(str(?property), <HYGIENE_TESTS_FILTER_PARAMETER>)
    BIND (concat ("WARN: Datatype property ", str(?property), " occurs in a property chain") AS ?error)
}