@TECHREPORT{16-2003, AUTHOR = {Denis Lugiez, Peter Niebert and S. Zennou }, TITLE = {{A Partial Order Semantics Approach to the Clock Explosion Problem of Timed Automata}}, INSTITUTION = {{LIF}}, ADDRESS = {Marseille, France}, TYPE = {Research report}, NUMBER = {16-2003}, MONTH = {12}, YEAR = {2003}, NOTE = {http://pageperso.lif.univ-mrs.fr/~edouard.thiel/RESP/Rapports/16-2003.html}, }