Foundations of Location Based Service Stefan Steiniger, Moritz Neun and Alistair Edwardes Lecture Notes on LBS V.1.0. 2006. 2017/4/26
Outline What are Location Based Service How are LBS’s useful What’s special about it How does it work 2017/4/26
What are Location Based Service - Define A wireless-IP service that uses geographic information to serve a mobile user. Any application service that exploits the position of a mobile terminal
What are Location Based Service - LBS Component
What are Location Based Service - Push and Pull service Functional services Information services Push service
How are LBS’s useful Where am I? Where are my friends? What here around me?
How are LBS’s useful - User Actions
How are LBS’s useful - Example
How are LBS’s useful - Emergency Services
How are LBS’s useful - Navigation Services Based on mobile user Need for directions
How are LBS’s useful - Information Services Based on device location Time specificity User behavior
How are LBS’s useful - Other Services Tracking and Management service Billing Services Augmented reality (Outlook)
What’s special about it
What’s special about it - Context
What’s special about it - Context
What’s special about it - Adaption Information level Technology level User interface level Presentation level
What’s special about it - Adaption to user preferences They adapted the information content according the following user’s personal preferences their current location
What’s special about it - Adaption to seasons of a year and to user age Purpose of use to adapt the content and presentation of maps Contexts of the user Time of year
What’s special about it - Adaption to location and social context
What’s special about it - Adaption to system context Use system context to adapt the content and presentation of information
How does it work
How does it work - Device Single purpose devices Multi purpose devices
How does it work - Limits Small computing Battery power Small displays Weather influences
How does it work - Wireless mobile networks