1. Click to edit Present’s Name Trends in Location-based Services Muhammad Aamir Cheema

2. School of Computer Science and Engineering Outline  Introduction  Past Research  New Trends  Concluding Remarks

3. School of Computer Science and Engineering Definition Services that integrate a user’s location with other information to provide added value to a user.

4. School of Computer Science and Engineering Examples  Navigation and travel  Geo-social networking  Gaming  Retail  Advertisement and many many more…

5. School of Computer Science and Engineering Past research  Shortest Path Query  Range Query  Nearest Neighbors Query  Reverse Nearest Neighbors Query  Group Nearest Neighbors Query and other similar queries…

6. School of Computer Science and Engineering Past research  Shortest Path Query: What is the shortest path from here to airport

7. School of Computer Science and Engineering Past research  Range Query: Return the coffee shops within 300 meters.

8. School of Computer Science and Engineering Past research  Nearest Neighbor Query: Return the nearest fuel station.

9. School of Computer Science and Engineering Past research  Reverse Nearest Neighbor Query: Return the cars for which my fuel station is the nearest fuel station.

10. School of Computer Science and Engineering Past research  Group Nearest Neighbor Query: Return the restaurant that is closest to a group of friends

11. School of Computer Science and Engineering Past research  Shortest Path Query  Range Query  Nearest Neighbors Query  Reverse Nearest Neighbors Query  Group Nearest Neighbors Query and other similar queries… Static and continuous queries Euclidean distance and network distance

12. School of Computer Science and Engineering New Trends  Personalized and context-aware results The query results should be based on location as well as the user profile (e.g., age, gender, choices etc.) context (e.g., time, weather etc.)

13. School of Computer Science and Engineering New Trends  Handling Inaccuracy in data

14. School of Computer Science and Engineering New Trends  Handling Inaccuracy in data

15. School of Computer Science and Engineering New Trends  Handling Inaccuracy and uncertainty Inaccuracy of GPS devices User created data Automatically annotated data Entity resolution etc …

16. School of Computer Science and Engineering New Trends  Privacy and security

17. School of Computer Science and Engineering New Trends  Privacy and security

18. School of Computer Science and Engineering New Trends  Privacy and security

19. School of Computer Science and Engineering New Trends  Privacy and security User awareness pleaserobme.com robmenow.com

20. School of Computer Science and Engineering New Trends  Privacy and security User awareness Privacy preserving techniques (e.g., spatial cloaking, k-anonymity)

21. School of Computer Science and Engineering Concluding Remarks  Location-based services have a bright future Smart Phones > old fashioned phones Number of mobiles > World’s population 60% 40% 24% use LBS and 94% of these find LBS valuable LBS are a bonanza for start-ups (est. market $13B in 2014) $21B in 2015

22. School of Computer Science and Engineering Concluding Remarks  Research New area, new challenges, new opportunities  Business Growing market Low investment Room for fresh ideas Moral: LBS is one of the best choices for start-ups. Be innovative & take initiative.

23. School of Computer Science and Engineering Thanks