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1/22

A survey of context-awareapplications and systems in use

today 818G

Justin Wagner


2/22

Overview Apple Siri Case Study

eatures !evelopment "istory

Current Context-Aware Applications

Google #ow$ S%erpa$ Gro&r Context-Aware Analysis

Context 'sed Context #ot 'sed (et

uture !evelopment Gim)al S!* Anticipatory Computing +ngine

Comparison to Weiser,s vision


3/22

Apple Siri Case Study


4/22

Apple Siri

oice-Activated .ersonal Assistant Allows a user to manage p%one resources

Communication oice and /ext

#avigation .lanning

Calendar 0eeting Setup

Searc% Sports Scores estaurant eviews


5/22

Apple Siri

'ses context to respond to re2uests wit%)etter results

Context reduces searc% space Geograp%ic area for navigation and finding

attractions is confined Activity %istory is used to reduce information

searc% space Overall$ ena)les easy interaction wit% p%one

services


6/22

"istory of Siri

0ilitary 'ser Scenario Commander receives a warning a)out an event All resources availa)le to respond to t%at event

are presented .ersonal Assistant t%at 3earns 4.A35 pro6ect

started at S 7 7nternational wit% support from!A .A around 991

!ata gat%ering and data analysis system !A .A re2uested an office assistant )ecause

of developer familiarity wit% pro)lem


7/22

.A3

:7f you told .A3 w%atinformation youneeded$ and ito)served w%at youdid wit% t%atinformation$ it wouldfigure out a moreefficient pat% to

ac2uiring and sortingrelevant informationt%e next timearound; %ttp>??www;wired;com?dangerroom? 911?19?siri-darpa-ip%one?

igure couresy of>%ttps>??pal;sri;com?.lone?framewor&?framewor&?arc%itecture


8/22

Siri Commerciali@ation

After !A .A pro6ect$ S 7 loo&ed to commerciali@e t%eproduct

7dentified as a way to improve mo)ile data usage

Act as an interface for a user to ma&e use of t%e data-intensive services of t%e emerging mo)ile devices Several points contri)uted to success

7mproved capa)ilities of mo)ile devices

.rocessing .ower G.S and Wi- i for location G networ& speeds

7mprovements in natural-language processing 7n 919$ Apple purc%ased Siri


9/22

Current Context-Aware Applications


10/22

Google #ow oice-Activated interface to services

Google oice Searc% General searc% #avigation

e2uest and manage p%one services manually oice$ text$ and email

Automated Activity 0anagement eceive weat%er at %ome and wor& location in morning Get traffic for way to wor& wit% alternate route

recommendations .re-fetc% airline )oarding pass Get activity summary for given time period


11/22

Google #ow

Automatically maintained connection to ot%erservices Billow> automatic 2uery for property listing )ased on

location andango> eminder to leave for t%eater given t%at

user purc%ased a tic&et !isplay relevant news articles eceive pu)lic alerts


12/22

S%erpa

Android App Attempts to predict w%at information a user will need

next

Anticipates important events )ased on context 3ocation Communication %istory Calendar

Cool eature W%en close to a favorite coffee s%op$ will as& if you want

t%e regular and place t%e order


13/22

Gro&r

i.%one App .redictive Searc%

As opposed to interface for services$ 2uery servicesin advance on users )e%alf

Software agent Suggests routes to wor& )ased on traffic

conditions S%ows sports scores #otifies a)out upcoming events


14/22

Context-Aware Analysis


15/22

Context 'tili@ed 3ocation

G.S$ Wi- i location$ and Cell-tower proximity 'ser Activity and 0ovement

Commercial /ransactions /ransportation style

0eeting and sc%edule information Calendar

/ies to location and activity %istory 'ser Communication "istory

Call and /ext log +mail


16/22

Context #ot 'tili@ed (et

+xact location wit%in )uildings 3i&ely due to mapping constraints

'ser p%ysical gestures and non-ver)al cues 0ore t%an %alf of all communication is non-ver)al 'ser emotional reaction would )e &ey to user

preferences

Conversation context


17/22

uture !evelopment


18/22

Gim)al S!*

Context-Aware S!* developed )y =ualcomm .rovides context-aware development

framewor& for mo)ile platform 0easurement of user activity and application

usage 3ocation and movement trac&ing .us% notification to specific users .rivacy framewor&


19/22

Anticipatory Computing +ngine

!etermine context of a user,s conversation !isplay information relevant to t%e

conversation #ext step is ma&ing decisions )ased on

conversational context .otential downsides are privacy concerns and

tec%nology t%at is intrusive


20/22

Comparison to Weiser,s ision


21/22

Comparison Connection to ot%er devices

Wireless connection to printers and ot%ercomputer perip%erals

!eep connection to external services estaurant ordering$ flig%t reminders$ movies

purc%ases$ etc; #ot as muc% control over p%ysical

environment as envisioned +nvironmental control of lig%ts and temperature


22/22

eferences %ttp>??www;google;com?landing?now? %ttp>??www;itworld;com?mo)ile-wireless? 8 99?explainer-w%at-google-

now-actually-does %ttp>??www;apple;com?ios?siri?

%ttp>??www;newscientist;com?article?mg 1 8 DE; 99-%ow-innovative-is-apples-new-voice-assistant-siri;%tml %ttp>??www;xconomy;com?san-francisco? 919?9D?1F?t%e-story-of-siri-

from-)irt%-at-sri-to-ac2uisition-)y-apple-virtual-personal-assistants-go-mo)ile? singleHpageItrue

%ttps>??developer;2ualcomm;com?mo)ile-development?mo)ile-tec%nologies?c %ttp>??www;@dnet;com?psyc%ic-siri-tec%-gets-cas%-in6ection-from-

samsung-intel-telefonica- 99991F F ?
http://www.google.com/landing/now/https://developer.qualcomm.com/mobile-development/mobile-technologies/context-aware-gimbalhttps://developer.qualcomm.com/mobile-development/mobile-technologies/context-aware-gimbalhttp://www.google.com/landing/now/

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