Thomas Fischer is a member of the research staff at the Chair for Computer Science 6 (Data Management).
University of Erlangen and Nuremberg Department of Computer Sciences Chair for Computer Science 6 (Data Management) Martensstrasse 3 91058 Erlangen Germany Tel.: +49-9131-85-27901 Fax: +49-9131-85-28854 E-mail: tom Office: 08.156