A unified mechanism for information systems definition in action

  • Authors:
  • Frank Stowell;Donna Champion

  • Affiliations:
  • Department of Computer and Information Services, De Montfort University, Milton Keynes, Buckinghamshire;Department of Computer and Information Services, De Montfort University, Milton Keynes, Buckinghamshire

  • Venue:
  • Systems engineering for business process change
  • Year:
  • 2002

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Abstract

The complex and dynamic environment in which information system development (ISD) is undertaken for today's business and organisational clients has lead to a focus on Rapid Application Development and evolutionary prototyping. However, such approaches focus only on specifying the requirements for the technological support and often fail to appreciate the actual problems faced by those involved within the situation of focus. An interpretivist approach to ISD places the emphasis on first creating a shared appreciation of the problems faced by those involved in the situation and on reaching an accommodation concerning purposeful action that may be undertaken with the hope of bringing improvement. From this appreciation of a desirable and feasible intervention, the information technology (IT) needed to support this action can be specified, or changes to an existing legacy computing system, identified. The aim of the UMISD project (a Unified Mechanism for Information Systems Definition) is to develop practical interpretivist approaches to ISD, by developing modelling methods that enable the design process to be "Client-Led", as far as is possible, rather than directed toward fulfilling the requirements imposed by engineering techniques. By applying "systems" ideas and Conversation Modelling we suggest an approach to information systems design that moves from the clients" description of the agreed intervention, to the specification for the technical provision. The ideas described here have been applied in a 'Field Study' within a UK national banking organisation. An example from practice is given, and the initial ideas are critically evaluated.