10. The system of claim 9 , wherein the machine-readable program code instructions for the translating instructs the translating to form the search query of SQL SELECT and WHERE operators and of at least one XML search operator.
9. The system of claim 8 , wherein the machine-readable program code further includes: instructions for providing an ontology table function for expressing combined queries of the given relational database and the ontology relational database; instructions for receiving semantic queries expressed according to the ontology table function; and instructions for translating the received semantic queries into a search query having SQL/XML search operators supported by the DBMS.