RSI - A Structured Approach Use Cases and HCI Design
RSI - A Structured Approach Use Cases and HCI Design
RSI - A Structured Approach Use Cases and HCI Design
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The <strong>RSI</strong> <strong>Approach</strong> To <strong>HCI</strong> <strong>Design</strong> / <strong>Use</strong> Case Analysis Page 27 of 42<br />
• the specification model contains associations between Hotel <strong>and</strong> Customer, <strong>and</strong> between<br />
Customer <strong>and</strong> Reservation. Hotel is the anchor point on the specification model. This<br />
route is exploited on the interface: having selected a customer, clicking the 'reservations'<br />
button will refresh the listbox in the 'Reservations' section of the interface with the<br />
Customer's Reservations.<br />
A full description of the interface semantics of this dialog (including cross-references to<br />
underlying service use cases (not normally shown) is shown in the functionality section for<br />
this interface (see below). A diagrammatic format is used here to show the dynamics <strong>and</strong><br />
operation of the interface - text annotations are attached to the relevant parts of the interface<br />
dialog. An alternative approach is to list these annotations separately in a purely textual<br />
description. The most preferable approach is to demonstrate the dynamics in action using a<br />
screen prototype of the system. Such an approach may use a set of dummy services that return<br />
pre-defined (possibly configurable) sets of objects to be shown in the interface.<br />
W5a - <strong>RSI</strong> LONG PAPER [42 PAGES].doc( Rev: 5) - 03/09/00
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