BODS RDF - Find UBOs ownership chain

bods-rdf-ubo-ownership-chain.sparql

PREFIX rdf:      <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX bods:     <http://bods.openownership.org/vocabulary/>
PREFIX bods-res: <http://bods.openownership.org/resource/>
PREFIX foaf: <http://xmlns.com/foaf/0.1/>

SELECT ?uboName ?parent ?child
WHERE {
    ?ubo bods:ownsOrControls* ?a .
    ?ubo foaf:name ?uboName .
    ?ubo rdf:type bods:Person .
    ?a foaf:name ?parent .
    ?a bods:ownsOrControls ?b .
    ?b foaf:name ?child .
    ?b bods:ownsOrControls* 
            bods-res:openownership-register-6295574063848670981 .
}
ORDER BY ?uboName