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Trends in Location-based Services. Muhammad Aamir Cheema. Outline. Introduction Past Research New Trends Concluding Remarks. Definition. Services that integrate a user’s location with other information to provide added value to a user. Examples. Navigation and travel
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Trends in Location-based Services Muhammad AamirCheema
Outline • Introduction • Past Research • New Trends • Concluding Remarks
Definition Services that integrate a user’s location with other information to provide added value to a user.
Examples • Navigation and travel • Geo-social networking • Gaming • Retail • Advertisement and many many more…
Past research • Shortest Path Query • Range Query • Nearest Neighbors Query • Reverse Nearest Neighbors Query • Group Nearest Neighbors Query and other similar queries…
Past research • Shortest Path Query: What is the shortest path from here to airport
Past research • Range Query: Return the coffee shops within 300 meters.
Past research • Nearest Neighbor Query: Return the nearest fuel station.
Past research • Reverse Nearest Neighbor Query: Return the cars for which my fuel station is the nearest fuel station.
Past research • Group Nearest Neighbor Query: Return the restaurant that is closest to a group of friends
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
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.)
New Trends • Handling Inaccuracy in data
New Trends • Handling Inaccuracy in data
New Trends • Handling Inaccuracy and uncertainty • Inaccuracy of GPS devices • User created data • Automatically annotated data • Entity resolution etc …
New Trends • Privacy and security
New Trends • Privacy and security
New Trends • Privacy and security
New Trends • Privacy and security • User awareness pleaserobme.com robmenow.com
New Trends • Privacy and security • User awareness • Privacy preserving techniques (e.g., spatial cloaking, k-anonymity)
Concluding Remarks • Location-based services have a bright future Smart Phones > old fashioned phones Number of mobiles > World’s population 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 40% 60%
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.