7/25/2019 04-50 - 1 -
1/17
7/25/2019 04-50 - 1 -
2/17
#1:
.
;
;
;
2
7/25/2019 04-50 - 1 -
3/17
supermarket
/
supermarket (
)
3
7/25/2019 04-50 - 1 -
4/17
(.. ).
.
, /.
4
7/25/2019 04-50 - 1 -
5/17
WLAN
( IP address)
RFID reader
5
7/25/2019 04-50 - 1 -
6/17
-
.
RFID tag
supermarket online/ (. Paypal)
supermarket ( )
(web service)
6
7/25/2019 04-50 - 1 -
7/17
#2:
: G. Chen, D. Kotz, A Survey of Context-Aware Mobile
Computing Research, Dartmouth Computer ScienceTechnical Report TR2000-381, Department of Computer
Science, Dartmouth College, 2000. :
(application event) .
7
7/25/2019 04-50 - 1 -
8/17
#2:
10 :
(low-level, high-level)
8
/
7/25/2019 04-50 - 1 -
9/17
,
, , ,
, , ,
, ,
, , ,
, , 9
7/25/2019 04-50 - 1 -
10/17
(bandwidth),
,
/
,
:
, , , ,, ,
:
( ),
, , 10
7/25/2019 04-50 - 1 -
11/17
#2:
, Chen Kotz :
,
.
.
.
11
7/25/2019 04-50 - 1 -
12/17
12
7/25/2019 04-50 - 1 -
13/17
(.. Active Map)
(.. )
13
7/25/2019 04-50 - 1 -
14/17
-
( .
; ;
;
14
7/25/2019 04-50 - 1 -
15/17
: RFID reader RFID tag
( .
15
7/25/2019 04-50 - 1 -
16/17
:
..
(
)
16
7/25/2019 04-50 - 1 -
17/17
:
(.. T
( )
17