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CONCUR
1992
Springer
15 years 10 months ago
The Duality of TIme and Information
The states of a computing system bear information and change time, while its events bear time and change information. We develop a primitive algebraic model of this duality of tim...
Vaughan R. Pratt
ARCS
2006
Springer
15 years 10 months ago
Microcode with Embedded Timing Constraints
: Watchdogs are a well-known and widespread means to increase the safety of microprocessors. The programmer or the compiler must insert instructions to reset the watchdog. If the p...
Bernhard Fechner
FM
1999
Springer
161views Formal Methods» more  FM 1999»
15 years 10 months ago
On-the-Fly Controller Synthesis for Discrete and Dense-Time Systems
We present novel techniques for efficient controller synthesis for untimed and timed systems with respect to invariance and reachability properties. In the untimed case, we give al...
Stavros Tripakis, Karine Altisen
ENTCS
2006
145views more  ENTCS 2006»
15 years 6 months ago
A Classification of Time and/or Probability Dependent Security Properties
In multilevel systems it is important to avoid unwanted indirect information flow from higher levels to lower levels, namely the so called covert channels. Initial studnformation ...
Ruggero Lanotte, Andrea Maggiolo-Schettini, Angelo...
TSE
2010
120views more  TSE 2010»
15 years 4 months ago
Time and Probability-Based Information Flow Analysis
Abstract—In multilevel systems it is important to avoid unwanted indirect information flow from higher levels to lower levels, namely the so called covert channels. Initial stud...
Ruggero Lanotte, Andrea Maggiolo-Schettini, Angelo...