1. Foundations of Location Based Service
Stefan Steiniger, Moritz Neun and Alistair Edwardes
Lecture Notes on LBS V
2017/4/26

2. Outline What are Location Based Service How are LBS’s useful
What’s special about it
How does it work
2017/4/26

3. 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

4. What are Location Based Service - LBS Component

5. What are Location Based Service - Push and Pull service
Functional services
Information services
Push service

6. How are LBS’s useful Where am I? Where are my friends?
What here around me?

7. How are LBS’s useful - User Actions

8. How are LBS’s useful - Example

9. How are LBS’s useful - Emergency Services

10. How are LBS’s useful - Navigation Services
Based on mobile user
Need for directions

11. How are LBS’s useful - Information Services
Based on device location
Time specificity
User behavior

12. How are LBS’s useful - Other Services
Tracking and Management service
Billing Services
Augmented reality (Outlook)

13. What’s special about it

14. What’s special about it - Context

15. What’s special about it - Context

16. What’s special about it - Adaption
Information level
Technology level
User interface level
Presentation level

17. What’s special about it - Adaption to user preferences
They adapted the information content according the following
user’s personal preferences
their current location

18. 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

19. What’s special about it - Adaption to location and social context

20. What’s special about it - Adaption to system context
Use system context to adapt the content and presentation of information

21. How does it work

22. How does it work - Device
Single purpose devices
Multi purpose devices

23. How does it work - Limits
Small computing
Battery power
Small displays
Weather influences

24. How does it work - Wireless mobile networks