Tool for UML Visualization of OWL ontologies

I am looking for a tool that can generated UML diagrams for owl
ontologies. Can anyone help.
-- 
 http://www.cse.dmu.ac.uk/YRSOC/
 http://www.semanticwebservices.org/
 **>><<**>><<**>><<**>><<**>><<**>><<**>><<**
 Monika Solanki: Research Fellow
 Software Technology Research Laboratory(STRL)
 De Montfort University
 Gateway building, G4.63a
 The Gateway
 Leicester LE1 9BH, UK
 
 phone: +44 (0)116 250 6170 intern: 6170
 email: monika@dmu.ac.uk
 web: http://www.cse.dmu.ac.uk/~monika
 http://www.semanticwebservices.org/ 
 **>><<**>><<**>><<**>><<**>><<**>><<**>><<**