http://opencaesar.io/sierra/function#isPerformedBy
Property function:isPerformedBy

oml:relationBase

function:performs

oml:type

oml:ReverseRelation

rdf:type

owl:ObjectProperty

rdfs:domain

function:Function

rdfs:range

function:PerformingElement

rdfs:subPropertyOf

function:isPerformedBy

owl:inverseOf

function:performs