Muhammad Aamir Cheema Outline Introduction Past Research New Trends Concluding Remarks Definition Services that integrate a users location with other information to provide added value to a user ID: 314332
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Slide1
Trends in Location-based Services
Muhammad
Aamir
CheemaSlide2
Outline
Introduction
Past Research
New TrendsConcluding RemarksSlide3
Definition
Services that integrate a user’s location with other information to provide added value to a user.Slide4
Examples
Navigation and travel
Geo-social networking
Gaming
RetailAdvertisementand many
many
more…Slide5
Past research
Shortest Path
Query
Range Query
Nearest Neighbors QueryReverse Nearest Neighbors QueryGroup Nearest Neighbors Query
and other similar queries… Slide6
Past research
Shortest Path Query:
What is the shortest path from here to
airportSlide7
Past research
Range Query:
Return
the coffee shops within 300 meters.Slide8
Past research
Nearest Neighbor
Query
:
Return the nearest fuel station.Slide9
Past research
Reverse Nearest Neighbor
Query:
Return the cars for which my
fuel station is the nearest fuel station.Slide10
Past research
Group Nearest Neighbor
Query
:
Return the restaurant that is closest to a group of friendsSlide11
Past research
Shortest Path
Query
Range Query
Nearest Neighbors QueryReverse Nearest Neighbors QueryGroup Nearest Neighbors Query
and other similar queries…
Static and continuous queries
Euclidean distance and network distanceSlide12
New Trends
Personalized and context-aware results
The query results should be based on location as well as
t
he user profile (e.g., age, gender, choices etc.)context (e.g., time, weather etc.)Slide13
New Trends
Handling Inaccuracy in dataSlide14
New Trends
Handling Inaccuracy in dataSlide15
New Trends
Handling
Inaccuracy and uncertainty
Inaccuracy of GPS devices
User created dataAutomatically annotated dataEntity
resolution
etc
… Slide16
New Trends
Privacy and securitySlide17
New Trends
Privacy and securitySlide18
New Trends
Privacy and securitySlide19
New Trends
Privacy and security
User awareness
pleaserobme.com
robmenow.comSlide20
New Trends
Privacy
and security
User awareness
Privacy preserving techniques (e.g., spatial cloaking, k-anonymity)Slide21
Concluding Remarks
Location-based services have a bright future
Smart Phones
>
old fashioned phones
Number of mobiles
>
World’s population
60%
4
0%
24%
use LBS and
94%
of these find LBS valuable
LBS are a bonanza for start-ups (est. market $13B in 2014)
$21B in 2015Slide22
Concluding Remarks
Research
New area, new challenges, new opportunities
Business
Growing marketLow investment
Room for fresh ideas
Moral:
LBS is one of the best choices for start-ups. Be innovative & take initiative.Slide23
Thanks