L. Spalazzi - Academia.edu (original) (raw)
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Papers by L. Spalazzi
Socially-Based Design of Distributed Agent System
Programming Planners with Flexible Architectures
Workshops in Computing, 1993
Formal Methods for Distributed System Development, 2000
Model checking is a very successful technique which has been applied in the design and verificati... more Model checking is a very successful technique which has been applied in the design and verification of finite state concurrent reactive processes. In this paper we show how this technique can be used for the verification of security protocols using a logic of belief. The underlying idea is to treat separately the temporal evolution and the belief aspects of principals. In practice, things work as follows: when we consider the temporal evolution of a principal we treat belief atoms (namely, atomic formulae expressing belief) as atomic propositions. When we deal with the beliefs of a principal § , we model its beliefs about another principal¨as the fact that § has access to a representation of¨as a process. Then, any time it needs to verify the truth value of some belief atom about¨, e.g.,© , § simply tests whether, e.g., holds in its (appropriate) representation of¨. Beliefs are essentially used to control the "jumping" among processes. Our approach allows us to reuse the technology and tools developed in model checking.
Evaluation of Cooperation Strategies for Mediator-based Systems
I n this p a p e r we present a system (called MRG) for the development of planners that have t o... more I n this p a p e r we present a system (called MRG) for the development of planners that have t o work in real-world, complex and unpredictable application domains. The idea underlying MRG is that domain independent problem solving architectures, instead of featuring powerful but fixed control mechanisms, should provide powerful and flexible tools for the definition of domain dependent control mechanisms. Complex strategies and control mechanisms are uniformly represented an MRG b y tactics, explicit data structures that can be reused, modified, reasoned about and executed. A t the m oment, MRG is being successfully used within a c o mplex real world application under development at IRS T.
Future Generation Computer Systems, 2013
A goal-oriented framework tocope with requirements changes: tropos and alan
Socially-Based Design of Distributed Agent System
Programming Planners with Flexible Architectures
Workshops in Computing, 1993
Formal Methods for Distributed System Development, 2000
Model checking is a very successful technique which has been applied in the design and verificati... more Model checking is a very successful technique which has been applied in the design and verification of finite state concurrent reactive processes. In this paper we show how this technique can be used for the verification of security protocols using a logic of belief. The underlying idea is to treat separately the temporal evolution and the belief aspects of principals. In practice, things work as follows: when we consider the temporal evolution of a principal we treat belief atoms (namely, atomic formulae expressing belief) as atomic propositions. When we deal with the beliefs of a principal § , we model its beliefs about another principal¨as the fact that § has access to a representation of¨as a process. Then, any time it needs to verify the truth value of some belief atom about¨, e.g.,© , § simply tests whether, e.g., holds in its (appropriate) representation of¨. Beliefs are essentially used to control the "jumping" among processes. Our approach allows us to reuse the technology and tools developed in model checking.
Evaluation of Cooperation Strategies for Mediator-based Systems
I n this p a p e r we present a system (called MRG) for the development of planners that have t o... more I n this p a p e r we present a system (called MRG) for the development of planners that have t o work in real-world, complex and unpredictable application domains. The idea underlying MRG is that domain independent problem solving architectures, instead of featuring powerful but fixed control mechanisms, should provide powerful and flexible tools for the definition of domain dependent control mechanisms. Complex strategies and control mechanisms are uniformly represented an MRG b y tactics, explicit data structures that can be reused, modified, reasoned about and executed. A t the m oment, MRG is being successfully used within a c o mplex real world application under development at IRS T.
Future Generation Computer Systems, 2013
A goal-oriented framework tocope with requirements changes: tropos and alan