PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX ub: <http://www.lehigh.edu/~zhp2/2004/0401/univ-bench.owl#>
SELECT ?X ?Y
WHERE {
 ?X ub:worksFor ?Y .
 ?Y ub:subOrganizationOf <http://www.University0.edu> .
 ?Y rdf:type ub:Department .
 ?X rdf:type ub:Chair
}