| V. Vasconcelos and M. Tokoro. Trace Semantics for Actor Systems. In M. Tokoro, O. Nierstrasz, and P. Wegner, editors, Proc. of the ECOOP'91 Workshop Object-Based Concurrent Computing, pages 141--162. Springer-Verlag, LNCS 612, 1992. |
....of object oriented system verification. OBCC 91] provides a useful perspective of current trends in this direction. Most approaches are based on some form of process calculi (e.g. Nierstrasz 91] based on CCS and the p calculus) Other approaches rely on trace semantics and actor systems [Vasconcelos and Tokoro 91] The work around the languages POOL [America 89] and FOOPS [Goguen and Meseguer 87] must be singled out as being part of long term programmes of research around specific object oriented languages. Verification in POOL [Boer 90] is based on Hoare style proof system techniques as well as notions ....
V.Vasconcelos and M.Tokoro, "Trace Semantics for Actor Systems", in [OBCC 91], 141-162 20 J.Fiadeiro and T.Maibaum
....for real time ob ject oriented computing based on ccs. For these dioeerent approaches, sound type sys tems were developed [4, 49, 65, 35] and formal semantics have been described in dioeerent frame works (denotational [6] operational [5, 48, 3, 19] based on the calculus [67] or traces [64]) Based on a formal model or not, several concur rent object oriented programming languages have been designed, such as ConcurrentSmalltalk [72] Distributed Smalltalk [11] Hybrid [45] Pool [4] ABCL [68] Eioeel [16] DROL [63] and more re cently Java [26] Program visualization is an ....
V. Vasconcelos and M. Tokoro. Traces seman tics for actor systems. In Proc. of the ECOOP '91 Workshop on Object-Based Concurrent Com puting, LNCS 612, pages 141162, 1992.
....the set X are omitted from it. The life cycles of S k T can then be defined as the set of all life cycles l such that each situation in a life cycle of l is either in S or T , and ld S is a life cycle of S, and ld T is a life cycle of T . There is a similar treatment of this law for actor systems [21], and also one using category theory [6] It is similar to a special case for CSP [14] where traces rather than life cycles, and events in general rather than situations are used 1 . When the events of S and T are completely distinct, the traces of S k T are all of the interleavings of the ....
V. Vasconcelos and M. Tokoro, Trace semantics for actor systems, in: M. Tokoro and O. Nierstrasz and P. Wegner, (Eds.) [20], 141--162.
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V. Vasconcelos and M. Tokoro. Trace Semantics for Actor Systems. In M. Tokoro, O. Nierstrasz, and P. Wegner, editors, Proc. of the ECOOP'91 Workshop Object-Based Concurrent Computing, pages 141--162. Springer-Verlag, LNCS 612, 1992.
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