Information Technology
Trends in Location Based Services
Muhammad Aamir CheemaMonash University, Australia
Contact:[email protected] http://users.monash.edu.au/~aamirc
Faculty of Information Technology
DefinitionServices that integrate a user’s location with other information to provide added value to a user.
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ExamplesNavigation and travelGeo-social networkingGamingRetailAdvertisement
and many many more…
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Past research Shortest Path Query Range Query Nearest Neighbors Query Group Nearest Neighbors Query
and other similar queries…
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Past research Shortest Path Query: What is the shortest path from here to airport
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Past research Range Query: Return the coffee shops within 300 meters.
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Past research Nearest Neighbor Query: Return the nearest fuel station.
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Past research Group Nearest Neighbor Query: Return the restaurant that is
closest to a group of friends
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Past research Shortest Path Query Range Query Nearest Neighbors Query Group Nearest Neighbors Query
and other similar queries…
Static and continuous queriesEuclidean distance and network distance
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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.)
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New Trends Handling Inaccuracy and uncertainty
Inaccuracy of GPS devices User created data Automatically annotated data Entity resolution
etc …
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New Trends Privacy and security
User awareness
pleaserobme.com robmenow.com
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New Trends Privacy and security
User awareness Privacy preserving techniques (e.g., spatial cloaking, k-anonymity)
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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
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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.