Optima: a domain-specific model for prioritization and conflicts management in requirements engineering for services intermediaries

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Abstract

New business models are set up, thanks to Web technologies. In this work, we focus on services intermediary companies. They generate value through the (automatic) selection of third-party services and the (automatic) delivery of the combinations of these services to consumers. Such companies face the problem of deciding which services to select and deliver in order to maximize their profit. The two main paper objectives are (i) to design the generic business model of services intermediaries and (ii) to propose an optimization model. The latter enables to choose the consumer requirements that will be satisfied in order to maximize profit. This model ranks implementable solutions based on various financial aspects. They are related to cost and revenue information that is associated with the requirements. It can support the decision-making process that aims at selecting a profit-maximizing set of requirements for services intermediaries' system-to-be. Indeed, the proposed model solves the conflicts between requirements and prioritizes the optional requirements. We argue for the relevance of the optimization model via an example and simulations.

Original languageEnglish
Pages (from-to)175-190
Number of pages16
JournalService Oriented Computing and Applications (SOCA)
Volume8
Issue number2
Early online date18 Dec 2013
DOIs
Publication statusPublished - Jun 2014

Keywords

  • Conflicts resolution
  • Requirements engineering
  • Requirements prioritization
  • Service-oriented systems
  • Services intermediary

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