Discovering Functional Requirements and Usability Problems for a Mobile Tourism Guide through Context-Based Log Analysis
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The actual usefulness, adoption and success of a mobile information system much depends on the appropriate design of the available functionalities and of the interaction interface. A thorough elicitation of functional requirements carried out during the system design phase is certainly essential, though it is often difficult to identify and analyze in advance all possible use-scenarios. This paper describes an evaluation method to discover additional functional requirements and usability problems through the context-based analysis of session logs. The method has been applied to evaluate a mobile tourism support system in ecological conditions to understand non-biased, free usage. The results provide evidence to the impact of contextual conditions over users’ interaction behaviour and informational needs. Some general design guidelines have been derived for functionalities and forms of adaptivity to be integrated in mobile services for the tourism sector.
KeywordsContext-aware mobile services Session analysis Usability evaluation Functional requirements
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This research has been supported by the Trip@dvice Mobile project, funded by the Autonomous Province of Trento (Italy) under the work programme for industrial research, l.p. 1999/6.
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