Problem frames approach to strategic requirements for web services
Web Services can be seen from two views ? one that it is a purelytechnological advance and the other that it is a capability that anorganisation can deploy to meet a business objective. Much has beensaid about the first view but not much has been said about the secondview. The underlying premise of this research is that in the context of anever-increasing competitive environment, an organisation needs to takeinto account these important aspects: What is the business strategy of theorganisation, which adopts Web Services? Does the IT align with thebusiness strategy of the organisation?The aim of this research is to capture and describe business-IT problemsin the context of strategic requirements and Web Services. As a meansto align a Web Services initiative with business strategy, we propose aRequirements Engineering framework to capture the business objectivesof an organisation from strategy to implementation. The methodologythat we propose provides a roadmap from business strategy, to thestrategic objectives to implementation in four dimensions: innovation,customer relationship management, infrastructure management andfinancials. The proposed framework extends the e-Business ModellingOntology (eBMO) of Pigneur and Osterwalder by applying Bleistein et al?sProgression of Problems to understand the strategic objectives and thebusiness context.We have presented 2 examples as proof of concept. We haveexperimented with our methodology on Amazon.com and Dell.com?cases developed from the literature? as these organisations areaggressively pursuing Web Services as a part of their IT and businessstrategy.We use the Problem Frames approach to capture the business objectivesand the problem context of an organisation deploying Web Services andto create a strategic alignment between the business strategy and theinformation technology. The approach presented in this thesis is used tounderstand Amazon and Dell?s strategy and strategic objectives. It waspossible to capture strategic objectives and the strategic context throughcombination of the eBMO and Progression of Problems. It was alsopossible to trace this to Web Services requirement description throughapplication of Problem Frames. The framework combines with Bleistein etal?s Progression of Problems at the strategic level and applies ProblemFrames at the operational level. It takes the problem-oriented view of thewhole process, but does not apply Problem Frames throughout, at least notin their original formulation by Jackson.
Year of publication: |
2006
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Institutions: | Jha, Anju, Computer Science & Engineering, Faculty of Engineering, UNSW |
Subject: | Web services | Business strategy series | Information technology |
Saved in:
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