PREFIX rdf:  <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX vim4: <http://bipm.org/jcgm/vim4#>
PREFIX comp: <http://ua.be/sdo2l/vocabulary/component#>
PREFIX base: <http://ua.be/sdo2l/vocabulary/base#>
PREFIX pt:   <http://ua.be/sdo2l/vocabulary/processtraces#>
PREFIX owl:  <http://www.w3.org/2002/07/owl#>

SELECT DISTINCT ?from ?to
WHERE { 
    ?from a owl:Thing .
	?to a owl:Thing .
    ?from pt:represents ?to .
}
