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Trends in Location-based Services Trends in Location-based Services

Trends in Location-based Services - PowerPoint Presentation

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Uploaded On 2016-05-10

Trends in Location-based Services - PPT Presentation

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

trends query research nearest query trends nearest research neighbors privacy return shortest path data inaccuracy lbs group location reverse

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Presentation Transcript

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