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SCSTL
B&BGDSF
CSDS
80
70
60
50
40
30
20
10
0
0
1000
2000
3000
4000
5000
6000
Run Time
(a)
SCSTL
B&BGDSF
CSDS
90
80
70
60
50
40
30
20
10
0
0
1000
2000
3000
4000
5000
6000
Run Time
(b)
SCSTL
B&BGDSF
CSDS
90
80
70
60
50
40
30
20
10
0
0
1000
2000
3000
4000
5000
6000
Run Time
(c)
SCSTL
B&BGDSF
CSDS
90
80
70
60
50
40
30
20
10
0
0
1000
2000
3000
4000
5000
6000
Run Time
(d)
Fig. 3.
The simulation results for the Average Response Time of the following ap-
proaches:
SCSTL
,
B
&
B
GDSF
,and
CSDS
: (a), (b), (c), (d) means the Location degree
focus on
CSDS
and the Semantic degree takes on the values of 1
,
2
,
3
,
4
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