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A big issue in the paradigmof Service Oriented Architectures (SOA) is service discovery. Organizations publish their services via the Internet. These published services can then be automatically found and accessed by other services, meaning, the services are composed. A fundamental property of a service composition is weak termination, which guarantees the absence of deadlocks and livelocks. In principle, weak termination can be verified by inspecting the state space of the composition of (public views of) the involved services. We propose a methodology to build that state space from precomputed fragments, which are computed upon publishing a service. That way, we shift computation effort from the resource critical “find” phase to the less critical “publish” phase. Interestingly, our setting enables state space reduction methods that are intrinsically different from traditional state space reductions. We further show the positive impact of our approach to the computational effort of service discovery.
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Czasopismo
Rocznik
Tom
Strony
151--180
Opis fizyczny
Bibliogr. 43 poz., tab., wykr.
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autor
autor
autor
autor
autor
- Universität Rostock 18051 Rostock, Germany, karsten.wolf@uni-rostock.de
Bibliografia
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- [32] Peled, D.: All from One, One for All: on Model Checking Using Representatives, International Conference on Computer Aided Verification (CAV 1993) (C. Courcoubetis, Ed.), 697, Springer, 1993.
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- [35] Schmidt, K.: Stubborn Sets for Standard Properties, International Conference on Application and Theory of Petri Nets (ICATPN 1999) (S. Donatelli, H. C. M. Kleijn, Eds.), 1639, Springer, 1999.
- [36] Schmidt, K.: LoLA: A Low Level Analyser, International Conference on Application and Theory of Petri Nets (ICATPN 2000) (M. Nielsen, D. Simpson, Eds.), 1825, Springer, 2000.
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- [39] Valmari, A.: The State Explosion Problem, Lectures on Petri Nets I: Basic Models, Advances in Petri Nets (W. Reisig, G. Rozenberg, Eds.), 1491, Springer, 1998.
- [40] Weinberg, D.: Efficient Controllability Analysis of Open Nets, InternationalWorkshop on Web Services and Formal Methods (WS-FM 2008) (R. Bruni, K. Wolf, Eds.), 5387, Springer-Verlag, September 2008.
- [41] Wolf, K.: DoesMy Service Have Partners?, Transactions on Petri Nets and Other Models of Concurrency II, Special Issue on Concurrency in Process-Aware Information Systems, 2, 2009, 152-171.
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Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BUS8-0018-0026