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Contractual Proximity of Business Services

  • Lam-Son LêEmail author
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 9446)

Abstract

Business services arguably play a central role in service-based information systems as they would fill in the gap between the technicality of Service-Oriented Architecture and the business aspects captured in Enterprise Architecture. Business services have distinctive features that are not typically observed in Web services, e.g. significant portions of the functionality of business services might be executed in a human-mediated fashion. The representation of business services requires that we view human activity and human-mediated functionality through the lens of computing and systems engineering.

Given the specification of a relatively complex business service, practitioners can deal with its complexity either by breaking it down into constituent services through common practices such as outsourcing or delegation, or by picking up an existing group of services (e.g. from a service catalog) that best realize that functionality. To address these challenges, we devise a formal machinery to (a) verify if a group of services contractually match the specification of the larger service in question; (b) to assess the contractual proximity of service groups relative to a contractual service specification to help decide which combination of services from a catalog best realize the desired functionality.

Keywords

Service engineering Goal modeling Service contract Quality of service Service composition Serviceability Outsourcing 

Notes

Acknowledgment

I would like to thank my former colleague, Aditya Ghose, for his valuable feedback on this work, especially in the formalization of service goals and QoS. I am also thankful to the other members of his research group for their comments (mostly about terminology used in modeling business services) on my talks given in the weekly seminars when I was in this group.

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Copyright information

© Springer International Publishing Switzerland 2015

Authors and Affiliations

  1. 1.Faculty of Computer Science and EngineeringHCMC University of TechnologyHo Chi Minh CityVietnam

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