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1.5. Summary

In this lesson you learned about the difference between conventional map products and maps for location based services. These were investigated through the SHIP characteristics of a service:

  • Simultaneously produced and consumed
  • Heterogeneous
  • Intangible
  • Perishable

Based on these characteristics you learned about designing mobile information services from three integrated perspectives,

  • The model - the data resources
  • The control - the functionality
  • The view - the visualisation of information with a map.

From the perspective of the model you learned about different types of data used in LBS and how to evaluate these in terms of pragmatics (fitness-for-purpose), their representation (data model, ontology and data format) and ability to communicate information.

From the perspective of the view you learned about portraying dynamic information such as points of interest according to context and its relevance to a task.

Finally, you learned about making map based services dynamic. One way of achieving this was through interactivity. Here controls were provided that linked questions to actions. Five types of action were described:

  • Locate
  • Search
  • Identify
  • Navigate
  • Browse

The other way of achieving this was through events triggered by changes in context. The response to these was to changed the visualisation or alert the user. Examples described where geofencing and car navigation.

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