Advertisement
$
.
$
.
$
$
.
$
.
$
'
'
,
,
0
0
0
0
'
'
X
X
D
D
O
O
,
,
Q
Q
/
/
L
L
Q
Q
',00 VR.NHW KDV WRWDO SLQ DQG VXSSRUWV ELW GDWD ,W .DQ EH VLQJOH RU GRXEOH VLGH WKH
JROGHQ ILQJHU VLJQDOV RQ HD.K VLGH RI 3&% DUH GLIIHUHQW WKDW LV ZK\ LW ZDV .DOOHG 'XDO ,Q /LQH
$OPRVW DOO ',00V DUH PDGH E\
PDGH E\
)30('2
DQG RQO\ RSHUDWH DW 9 'R QRW .RQIXVH WKHP ZLWK 6'5$0 ',00
(
&
&
(
U
U
R
U
&
K
H
.
N
(
&
&
(
U
U
R
U
&
K
H
.
N
7KH (&& PRGH QHHGV (&& ELWV IRU ELW GDWD (D.K WLPH PHPRU\ LV D..HVVHG (&& ELWV DUH
XSGDWHG DQG .KH.NHG E\ D VSH.LDO DOJRULWKP 7KH (&& DOJRULWKP KDV WKH DELOLW\ WR GHWH.W
GRXEOHELW HUURU DQG DXWRPDWL.DOO\ .RUUH.W VLQJOHELW HUURU ZKLOH SDULW\ PRGH .DQ RQO\ GHWH.W
VLQJOHELW HUURU
(
'
2
(
[
W
H
Q
G
H
G
'
D
(
'
2
(
[
W
H
Q
G
H
G
'
D
7KH ('2 '5$0 WH.KQRORJ\ LV D.WXDOO\ YHU\ VLPLODU WR )30 )DVW 3DJH 0RGH 8QOLNH WUDGLWLRQDO
)30 WKDW WULVWDWHV WKH PHPRU\ RXWSXW GDWD WR VWDUW WKH SUH.KDUJH D.WLYLW\ ('2 '5$0 KROGV WKH
PHPRU\ GDWD YDOLG XQWLO WKH QH[W PHPRU\ D..HVV .\.OH WKDW LV VLPLODU WR SLSHOLQH HIIH.W DQG
UHGX.HV RQH .OR.N VWDWH
H
H
0
0
H
H
P
P
R
R
U
U
\
\
0
0
R
R
G
G
X
X
O
O
H
H
6'5$0
ZKL.K RSHUDWH DW 9 1RWH WKDW VRPH ROG ',00V DUH
L
Q
J
D
Q
G
&
R
U
U
H
.
W
L
R
Q
L
Q
J
D
Q
G
&
R
U
U
H
.
W
L
R
Q
W
D
2
X
W
S
X
W
0
H
P
R
W
D
2
X
W
S
X
W
0
H
P
R
2
Q
O
L
Q
H
2
Q
O
L
Q
H
U
\
U
\
0
D
Q
X
D
O
0
D
Q
X
D
O
Advertisement
