Usually you specify
| • | EvaluationMethod = choose |
| • | BottomUpEvaluator = choose |
in your OntoConfig file, so that OntoBroker can decide which evaluation strategy to use for a query. But some specific queries might be faster if you select another evaluation strategy:
@{q1, options[EvaluationMethod(MagicSet),BottomUpEvaluator(BottomUp2)} ?- p(?X).