The ART-SCENE Solution:

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Introduction:

Discovering requirements such as what people want from new computer systems remains a challenging problem for most European organizations. ART-SCENE is an innovative new solution to this problem. We already know that scenarios –stories that describe how the future system might work – help us to discover these requirements. ART-SCENE takes this a stage further by enabling organizations to generate scenarios automatically and use them systematically in discovering people's requirements for new systems.

The problem that causes to made the ART-SCENE:

Although scenarios are commonplace in systems development, developers rarely know how many scenarios to produce, what their content and structure should be, and how they should use them to discover new requirements from users. As a result, most software developers use scenarios in an ad hoc, non-optimal way. What they need are tools that are clear and simple –to –use, which allow them to generate and use scenarios more systematically, and hence effectively.

How ART-SCENE solve this problem?

ART-SCENE is one solution to these problems. It is a process with Web-enabled tool support that organizations can use to generate and walk through scenarios, and thus discover the complete and correct  requirements  for  new computer systems. It enhances current Rational Unified Processes and Use Case approaches to systems development.

The ART-SCENE features:

• Simple-to-use tools for specifying and parsing Use Cases

• Automatic generation of normal and alternative course scenarios from Use Case specifications

• Guided scenario walk-through using Web-enabled tools

• Multimedia representation of scenarios to improve discovery of requirements

• Scenario walk-through on PDAs, to enable the walk-through to occur in the user's workplace

• Support for standard requirements processes such as VOLERE

• Specialization of ART-SCENE to application domains

• Process and facilitation guidelines for preparing and running ART-SCENE scenario workshops.

About the ART-SCENE:

ART-SCENE delivers the generated scenarios with innovative Web-enabled tools such as the Scenario Presenter shown. The Scenario Presenter presents a scenario in four parts. The left-side menu provides different functions for viewing the scenario and the requirements generated for it. The top-line buttons offer walk-through functions (e.g. next or previous event) and functions to add, edit or delete events, comments and requirements. The left-hand main section describes the normal course event sequence for the scenario. Each event describes the start or end of an action, thus enabling a scenario to describe concurrent actions in this text-list form. The right-hand main section describes generated alternative courses for each normal course event, presented in the form of 'what-if' questions. Different alternative courses are presented for different normal course events.

Some of the most important features are accessed using the top-line buttons. Each major feature is available either for the selected event in the normal course (accessible above the normal course event sequence) or the selected alternative course (accessible above the alternative course list). The most important features are the add comment [C] and add requirement [R] features. A user can enter a comment or requirement associated with any normal or alternative course event at any time during a walk-through. To add a requirement, the Scenario Presenter allows the user to specify the type, description, rationale and source of the requirement – a subset of the VOLERE requirements shell.