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CAV
2003
Springer
166views Hardware» more  CAV 2003»
14 years 1 months ago
Bridging the Gap between Fair Simulation and Trace Inclusion
The paper considers the problem of checking abstraction between two finite-state fair discrete systems (FDS). In automata-theoretic terms this is trace inclusion between two nond...
Yonit Kesten, Nir Piterman, Amir Pnueli
CSL
2007
Springer
13 years 11 months ago
Comparing the Expressive Power of Well-Structured Transition Systems
We compare the expressive power of a class of well-structured transition systems that includes relational automata, Petri nets, lossy channel systems, and constrained multiset rewr...
Parosh Aziz Abdulla, Giorgio Delzanno, Laurent Van...
MCSS
2002
Springer
13 years 7 months ago
Observability and Forward-Backward Observability of Discrete-Time Nonlinear Systems
In this paper, we study the observability properties of nonlinear discrete time systems. Two types of contributions are given. First, we present observability criteria in terms of...
Francesca Albertini, Domenico D'Alessandro
CSCW
2010
ACM
14 years 4 months ago
Is it really about me?: message content in social awareness streams
In this work we examine the characteristics of social activity and patterns of communication on Twitter, a prominent example of the emerging class of communication systems we call...
Mor Naaman, Jeffrey Boase, Chih-Hui Lai
ECAL
2007
Springer
14 years 1 months ago
Investigating the Emergence of Phenotypic Plasticity in Evolving Digital Organisms
Abstract. In the natural world, individual organisms can adapt as their environment changes. In most in silico evolution, however, individual organisms tend to consist of rigid sol...
Jeff Clune, Charles Ofria, Robert T. Pennock