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Behavior Based Service Composition

  • Fangzhe Chang
  • Pavithra Prabhakar
  • Ramesh Viswanathan
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7176)

Abstract

To enable flexible leveraging of the growing plethora of available web services, service clients should be automatically composed based on required behavior. In this paper, we present a foundational framework for behavior based composition. Services advertise their behavior as labeled transition systems with the action labels corresponding to their externally invocable operations. Query logics are defined in a simple extension of μ-calculus with modalities in which variables are allowed to occur. Query logics specify the desired behavior of the composition with the variables standing for the programs that need to be synthesized. We define a special subclass of programs, called deterministic and crash-free, which behave deterministically (even if the services used are non-deterministic) with all program steps successfully executing in whichever state the services may be in during entire execution. We present an algorithm that synthesises deterministic and crash-free programs whenever there exists such a solution. Since the μ-calculus is the most expressive logic for regular properties, our results yield a complete solution to the automatic composition problem for regular behavioral properties.

Keywords

Transition Relation Label Transition System Discrete Event System Query Logic Synthesis Algorithm 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • Fangzhe Chang
    • 1
  • Pavithra Prabhakar
    • 2
  • Ramesh Viswanathan
    • 1
  1. 1.Bell Laboratories, Alcatel-LucentUSA
  2. 2.University of Illinois at Urbana-ChampaignUSA

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