A partial order semantics approach to the clock explosion problem of timed automata.

Denis Lugiez Peter Niebert Sarah Zennou A partial order semantics approach to the clock explosion problem of timed automata. 27-59 2005 345 Theor. Comput. Sci. 1 http://dx.doi.org/10.1016/j.tcs.2005.07.023 db/journals/tcs/tcs345.html#LugiezNZ05