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http://www.extrovert-

gadgets.net/sites/default/files/02eGadgets6MB.wmv

http://localhost/var/www/apps/conversion/tmp/scratch_4/00_egadgets.mpghttp://localhost/var/www/apps/conversion/tmp/scratch_4/00_egadgets.mpghttp://www.extrovert-gadgets.net/sites/default/files/02eGadgets6MB.wmvhttp://localhost/var/www/apps/conversion/tmp/scratch_4/00_egadgets.mpghttp://localhost/var/www/apps/conversion/tmp/scratch_4/00_egadgets.mpghttp://localhost/var/www/apps/conversion/tmp/scratch_4/00_egadgets.mpg

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http://www.chrisoakley.com/the-catalogue

http://www.chrisoakley.com/the-cataloguehttp://www.chrisoakley.com/the-cataloguehttp://www.chrisoakley.com/the-cataloguehttp://www.chrisoakley.com/the-cataloguehttp://www.chrisoakley.com/the-catalogue

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(): : (mainframe)

/

: (PC)

: (ubiquitouscomputing)

,

( , PDAs,/ )

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():

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http://a/Sld004.htm

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6

Low

Low

High

High

Pervasive

Computing

Mobile

Computing

Traditional

Business

Computing

Ubiquitous

Computing

Level of Mobility

Level of Embeddedness

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()

:

. .

Mark Weiser, Scientific American, 1991

,

: Ubiquitous computing, pervasivecomputing, invisible computing, calm computing( , , )

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: ,

(voice, video, touchpad, keypad, )

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11

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Physical Links: (Hybrid multi-links)

/ (Logical/Virtual links)

( ) video ( )

12

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:

(Directory services)

(Discovery services)

(Authentication services) (Computation services)

(Storage services)

(Translation services)

(location-based services)

(Context-awareservices)

13

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: (drivers)

(middleware) (web services)

(File systems)

(IDEs)

14

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15/23

15

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:

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18

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: Tsunami Warning,

Forest Fire Warning,

Volcanic Eruption Warning,

Flood-warning.

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Wildlife monitoring,

Baggage / cargo monitoring,

Intelligent Transportation Systems

Wearable and Vehicular Computing Systems

19

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: @GeorgiaTech

() / ,

20

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:

Java applet (ZenPad). To ZenPad (whiteboard) . /, , video, Web browser

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HTML Web . (timeline) video,

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21

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: (TCU Smart Home)

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TV Menu

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> 15, TV &

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/.

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hardware software

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23