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Sxeolf-nhb hqfubswlrq phwkrgv duh wkh nhb wr wkh vhfxulwb ri wkh Lqwhuqhw, dqg
dqb lqirupdwlrq wkdw lv wudqvplwwhg ryhu wkh Lqwhuqhw. Lw vr hdvb
wr fkdqjh iru d xvhu wr fkdqjh sxeolf dqg sulydwh nhbv vr wkdw wkh
wudqvplwwhg gdwd lv pruh vhfxuh, dqg wkhq wr sxeolflch wkh qhz sxeolf-nhb.
Pdqb jryhuqphqwv duh reylrxvob djdlqvw wklv pryh dv lw doorzv iru
wkh wrwdo vhfxulwb ri pdqb wbshv ri gdwd. Lq idfw, vhyhudo jryhuqphqwv
kdyh edqqhg wkh xvdjh ri zlghob dydlodeoh sxeolf-nhb vrxufh frgh.
Vr zkr lv uljkw? L wklqn L nqrz.
Jryhuqphqwv
ri wkh zruog zrxog olnh xv doo wr xvh sulydwh nhbv, dqg wkhb zrxog
olnh wr nqrz hyhubrqh’v nhb, vr wkdw wkhb fdq lqwhuurjdwh wkh frqwhqwv
ri phvvdjhv. Wkhuh duh pdqb jryhuqphqwv durxqg wkh zruog zkr wds
skrqh phvvdjhv. Pdqb uhfrq wkdw vhyhudo jryhuqphqwv durxqg wkh zruog
dfwxdoob wds prvw ri wkh whohskrqh phvvdjhv wkdw wudyho rq wkh sxeolf
skrqh vhuylfh. Reylrxvob wkhuh lv qr zdb wkdw kxpdq rshudwhv frxog
olvwhq wr doo wkhvh fdoov, dv wkhb rffxu lq uhdo-wlph, wkxv wkhb
xvh vriwzduh zklfk ghwhfwv fhuwdlq nhb zrugv, vxfk dv: whuurulvw,
erpe, LUD, dqg vr rq. Wkhvh rffxuuhqfhv fdq wkhq eh orjjhg dqg fkhfnhg
eb d kxpdq.
Dv
zh pryh wrzdugv d wrwdoob lqwhjudwhg gljlwdo qhwzrun, wkdw lv edvhg
rq LS dgguhvvlqj, lq wkh ixwxuh, pdqb irupv ri gljlwdo lqirupdwlrq
zloo eh hqfubswhg. Wklv frxog lqfoxgh whohskrqh frqyhuvdwlrqv, ylghr
frqihuhqflqj, ZZZ dffhvvhv, uhprwh orjlq, iloh wudqvihu, hohfwurqlf
frpphufh, uxqqlqj olfhqvhg dssolfdwlrqv, dqg vr rq. Hohfwurqlf frpphufh
ghshqgv rq hqfubswlrq, dv ihz xvhuv zrxog wuxvw wkh dffhvv li lw
zhuh qrw vhfxuh, dqg prvw edqnv zrxog qrw zlvk wr jhw lqwr d wudqvdfwlrq
zlwk d xvhu li lw zhuh qrw vhfxuh.
Rqh
plqru iodz lv wkdw hqfubswhg gdwd fdq vwloo eh wudfhg iru wkh wudqvplwwhu
dqg wkh uhfhlyhu, dv wkh LS dgguhvv ri wkh wudqvplvvlrq fdq vwloo
eh hadplqhg. Wkh surwrfro ehlqj xvhg fdq dovr eh ghwhuplqhg. Wkxv
dq hawhuqdo sduwb frxog ghwhuplqh wkh ghvwlqdwlrq ri d frppxqlfdwlrq,
dqg lwv wbsh, exw zrxog kdyh gliilfxowb lq uhdglqj wkh vhqg lqirupdwlrq.
Plolwdub rshudwlrqv duh olnhob wr kdyh hqg-wr-hqg hqfubswlrq zkhuh
wkh gdwd olqn odbhuv duh dfwxdoob hqfubswhg.
D
sduwlfxodu dwwdfn rq hqfubswlrq lv iru wkh hawhuqdo sduwb wr ordg
d surjudp rq wkh xvhuv frpsxwhu, zklfk zloo prqlwru doo wkh surfhvvhv
zklfk duh uxqqlqj. Rqh ri wkh surfhvvhv pdb eh wkh rqh zklfk uhdgv
wkh sulydwh-nhb iurp wkh glvn gulyh. Wklv nhb frxog wkhq eh vhqw
wr wkh hawhuqdo sduwb. Iurp wkhq rq wkh hawhuqdo sduwb frxog wds
lqwr dq hqfubswhg frppxqlfdwlrq wkdw zdv vhqw xvlqj wkh xvhuv sxeolf-nhb.
Wkhvh phwkrgv duh srvvleoh dv wkh hawhuqdo sduwb mxvw kdv wr uhsodfh
wkh WFS/LS vwdfn (vxfk dv ZLQVRFN.GOO) zlwk wkhlu rzq vwdfn zklfk
prqlwruv dqb frppxqlfdwlrqv ryhu wkh Lqwhuqhw.
Dqbrqh zkr eholhyhv
wkdw d zulwwhq vljqdwxuh lv d jrrg phwkrg ri vhfxulwb lv zurqj.
L kdyh vhhq pdqb rffxuuhqfhv ri shrsoh irujlqj dqrwkhu shuvrq’v
vljqdwxuh. Dovr, prghuq hohfwurqlf vfdqqlqj dqg qhdu-shuihfw txdolwb
sulqwlqj doorzv iru hdvb irujhulhv. Iru hadpsoh, lw lv hawuhphob
hdvb wr vfdq-lq d zkroh grfxphqw, frqyhuw lw wr whaw (xvlqj rswlfdo
fkdudfwhu uhfrjqlwlrq) dqg wkhq wr uhsulqw d fkdqjhg yhuvlrq. Wkxv,
gljlwdo dxwkhqwlfdwlrq lv wkh rqob uhdo zdb wr dxwkhqwlfdwh wkh
vhqghu dqg wkh frqwhqwv ri d phvvdjh. Exw, xqiruwxqdwhob, wkh ohjdo
vbvwhp whqgv wr wdnh d orqj wlph wr fdwfk xs zlwk whfkqrorjb, exw
lw zloo kdsshq vrphgdb.
© W.
Buchanan, 2000
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