This method does basically the same as
com.hp.hpl.jena.sparql.engine.QueryExecutionBase.execConstruct
and SparqlerBaseSelect
note sure if it is redundant
Set timeouts on the query execution; the first timeout refers to time to first result,
the second refers to overall query execution after the first result.
Set timeouts on the query execution; the first timeout refers to time to first result,
the second refers to overall query execution after the first result.