ģףϢȡо|Ϣȡ
l(f)rg:2020-03-07 Դ: ժ c
[ժҪ]ᘌDeepWebϢYԴÆ}ָMϢȡxϢȡ^̎ԃӿںͳȡY(ji)(gu)(sh)(j)@ɂҪEʹõļg(sh)ûP(gun)I~ԃͽęnģ͵ķ(sh)(j)Mгȡͨ^Y(ji)CȡĜ(zhn)_ָ֮̎ͽQ;_(d)DeepWebϢYԴĿ
[P(gun)I~]Deep WebϢȡԃӿڡwReęnģ
[̖]TP31l
1Deep Webc
SW(wng)j(lu)ϢYԴıըʽLΏЫ@ȡÑҪϢɞ˂P(gun)עĽc}˂ͨ^@ȡҪϢ@ǽ挦W(wng)MĻA(ch)кܶW(wng)o@Щ[ԵľW(wng)퓼ϱ˂Q֮Deep WebHidDdenWeb
Deep WebĸDr.Jill Ellsworth1994ָdzҎ(gu)治ľW(wng)j(lu)YԴ(j)2001Michael K BergmanP(gun)Deep WebоİƤ(sh)(j)ԱSurface WebԣDeep WebҎ(gu)ģ400500(j)īI[2]P(gun)DeepWeb{(dio)棬2000굽2004Ҏ(gu)ģL37߀ڲLϵо(sh)(j)֪܉?q)?gu)ģľW(wng)j(lu)YԴϢ(ni)سȡоǺx
2ȡ
Deep WebеϢYԴ(j)īI[2]еķԾW(wng)j(lu)(sh)(j)ĽY(ji)(gu)Mд惦ôLrҪ(jng)^(sh)(j)Lӿڣͨ治Deep Web(ni)ݵԭҲ䲻ͬWebMнҲ͟oȡÙzY(ji)MôҪF(xin)@NYԴ͵ϢȡҪijȡ߀Ҫ̎픵(sh)(j)ԃӿڵĽ}·փɲMнB
2.1̎ԃӿ
WebΣ䌍|(zh)Ǻ_(sh)(j)ԃӿÑͨ^ԃӿݔ(yng)Ϣԃ(sh)(j)(ni)ȡͨ^ⶨƵıνL(sh)(j)
cԷ֞
2.1.1ͨ^P(gun)I~wķʹԃxظwY(ji)ԭԱ飺oԃqʹP(q)ʾڲԃqi(w)صĽY(ji)ռпܽY(ji)ıôĿ(bio)njһԃ(q1qqn)ʹ÷ؽY(ji)P(q1 V q2 VV qn)ֵڌHԃЃɷNP(gun)I~xԣһSCĺx~SCxȡP(gun)I~ύԃһNm(yng)Բԣͨ^֮ǰԃصĽY(ji)yxԃP(gun)I~ķ攵(sh)ҵܷؔ(sh)ߵP(gun)I~m(yng)ԲһӋ^EϱSCԏ(f)s(j)īI[5]еČY(ji)Փ֪ԃwһҪ(yu)SC
2.1.2(j)ʽIJԃӿMеоY(ji)Ļڲԃӿģ͵ķ(ni)һ㺬³ҊĿؼԪأıxбxo(f)xoȡ@N(ni)NؼԪMКw{ؼԪصĘ(bio)ԪغֵԘ(gu)һԃӿģģ͵ʽԪP(gun)ϵMļϣF={(ED1)(E2,D2)(En,Dn)}F(dng)ǰEǘ(bio)ԪDֵ猣(sh)(j)IJԃͨɌՈ̖QՈ(qun)˵Ԫؘ(gu)½Y(ji)(gu)ģͣ
F={(ͣ{l(f)͌^O(sh)Ӌ})
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@ģ@(sh)(j)IJԃӿ(LV)ĶԪP(gun)ϵʾݔεϢLǘ(bio)Vݔֵе(L,V)P(gun)ϵMɼLabel Value Set(Lvs)ÿ(bio)ԪEĘ(bio)L=label(E)(yng)V={v1v2vn}ֵρMݔlôһFпܵݔ뼯(F,Lvs)=V1v2vnҪݔ뼯ʹP({E1V1EnVn})=1-II(1Mv)MvֵvP(gun)@P(gun)ָԓݔֵcֵP(gun)ӋвͬČF(xin)ҊķӋP(gun)ԙ(qun)ԼӋĊAǵȡ
2.2ȡY(ji)(gu)(sh)(j)
ϢȡϢҪ֞飺Y(ji)(gu)ϢY(ji)(gu)ϢɸʽıҪȡDeep WebYԴһY(ji)(gu)IJԃؾW(wng)퓵ʽMϢȡHnjY(ji)(gu)W(wng)퓃(ni)ϢԽY(ji)(gu)ʽȡ^̡
(j)MessageUnderstandingforComprehension(MUC)ϢȡķϢȡă(ni)ݺͳȡϢľۼˮƽϢȡԷ֞wRe(Named Entity Recognition)ZNwRe΄(w)(Multi-lingual Entity Task)ģԪ(Template Element)(coreference)ģP(gun)ϵ(TemplateRelation)龰ģ(scenario Template)@6NϷDeep WebϢȡɚw{
2.2.1wReijȡ wReϢȡеĻA(ch)ȡϵy(tng)ϢԴИ(bio)Rw(yng)ČwMзڙzY(ji)ڴɘ(bio)עϢīIzY(ji)(ni)}ժҪߵȺ͌zY(ji)(ni)Ո?zh)_̖(qun)˵ڌF(xin)һıRe(bio)עıϢƥReᘌͨʹt_(d)ʽƥ(bio)עַt_(d)ʽַQҎ(gu)_(d)ʽָÁƥһϵзij䷨Ҏ(gu)tַĆַ_(d)ʽ(bio)עwҲnjҪȡĔ(sh)(j)(yng)t_(d)ʽȻ(j)@Щt_(d)ʽͿwķгȡ@Nă(yu)ct_(d)ʽ(gu)^̱^zY(ji)ϵw(sh)һ㲻^30ʹ@N܉ٵؘ(gu)ȡҿԱCܸߵĜ(zhn)_(Ҋ1)ȱcwıʾt_(d)ʽľoһl(f)׃͵MИ(bio)ע(do)³ȡȱͨԡ
2.2.2ģijȡMUCϢȡķ ģԪָǏıгȡض͵ČwϢ@ЩϢA(y)ȶxČģģijȡĺľA(y)Ș(gu)ģ^ڌF(xin)rᘌһȌZZɳȡģھW(wng)Ϣȡʹęnģ(Document ObjectModelDOM)ZdzõֶDOMęnе߉Y(ji)(gu)ù(ji)cʽMбͨ^W(wng)MнеԪرD(zhun)DOMęnеĹ(ji)cɵZҲQDOM䣬дȡ(ji)cDOMdzȡģcַƥijȡ^ģijȡͨ^ģ@ȡcȡ˾^ߵͨģهW(wng)퓽Y(ji)(gu)Ȼһľԡ
2.2.3龰ijȡ@龰(Scenario)ָҪȡضϢww֮gP(gun)ϵ@N_ϢdwıY(ji)(gu)ھϢă(ni)(lin)ϵ@NP(gun)ϵȡԓC漰wĘ(bio)RwcͬϵͬwgąģA(ch)ϵģԪgP(gun)ϵijȡɌw¼䲢߀ԭ¼ģ͵ȃ(ni)ݡmȻĿǰӢijȡϵy(tng)w͌wP(gun)ϵRe_(d)ӽõˮƽʹڌw¼߀ԭ¼ģͷ漰ȻZ̎еһЩĆ}ȡ߀д
N߀һЩϢȡģͣZģ͵[Rɷģͺģ(jng)W(wng)j(lu)wԼԪ(sh)(j)(bio)ȳȡDeep WebϢ(ni)ҪɽY(ji)(gu)W(wng)퓘(gu)ɣ@ЩȡЩmЩǰ
3ģČ(sh)(j)ȡ
ڌ(sh)(j)^ֵĶ惦ڌ(sh)(j)(ni)Щͨ^W(wng)j(lu)LČ(sh)(j)옋(gu)Deep WebYԴһҺyʹϢȡ@(sh)(j)MгȡڌоЎͬrҲCY(ji)ϢȡЧԡ
@(sh)(j)(USPTO)Ї(sh)(j)(ni)IJYԴMгȡO(sh)Ӌ̎r]Ҏ(gu)ģ]вñv(sh)(j)ʽxһЩP(gun)I~I(lng)(ni)MС(ni)Ϣȡ(jng)ɷ(sh)(j)IJԃP(gun)I~l(͵)bHTTP POST(sh)(j)(ni)l(f)͵(w)ȡ÷صęzY(ji)ڌY(ji)MϢȡrڱC(zhn)_ʵǰxm^ߵĻģijȡMнɳȡģ壬wE£
D(zhun)QʹTidyȹߌHTMLʽķȥD(zhun)QXMLXHTMLĸʽԷDOMɡ
DOMvʹDOM߱vD(zhun)Qęn(ni)Ɍ(yng)DOM䡣ĽY(ji)(gu)D1ʾ
ɳȡģDOMϲҪĹ(ji)cüõP(gun)ڳȡ(ji)cСDOMģшDlTDՈ̖TDՈաȶ(bio)ڵ·ȥõĘһwЌϢСDOM
ϢȡڵõȡģͿԌzY(ji)漯MгȡÿMǰɲ̎õDOM䌦ȻСDOMȡģȡØϸ(ji)cֵڳ?q)F(xin)r漰九(ji)cĶλ}õķDzXPath߁QXMLęnXSL(ɔUչʽZԣExtensible Stylesheet Language)ʹXPath(bio)RXMLęnеԪλڳȡģXPath_(d)ʽʽѸ(ji)cλϢӛڙzY(ji)ɵDOMͿʹø(j)ģõXPath_(d)ʽҪĹ(ji)cһһҵшDlՈ̖ՈQ_̖_@ׂ(ji)cλXPath_(d)ʽһµļϣ
ϱʾǸ(ji)cλõһһ(yng)P(gun)ϵеĔ(sh)̖ʾֵܹ(ji)c(D1ͬһwӘ(ni)߅(ji)cλӋ1ֵܹ(ji)cλӋ(sh)f)ôѽ(jng)DOMęzY(ji)ͿʹXPath_(d)ʽλ(ji)c@ȡֵ
Ϸɂ(sh)(j)IJ(sh)(j)MгȡõY(ji)2ʾ
(sh)(j)Ԍɂ(sh)(j)(ni)P(gun){wČ(sh)(j)ȡ100헌һ129P(gun)֪ٻ100129=77.5ԓ(sh)(j)zY(ji)汾ĽY(ji)(gu)ϲ^ԭܶĴȡϢ(ȡ(ji)c(sh))ͬ(do)³ȡģmԲߣֱӰ푳ȡ(zhn)_ʼȡӛP(gun)ӛռȡӛ䛔(sh)ıЇ(sh)(j)Ĝ(zhn)_ʺܸ_(d)98.7ԭԓ(sh)(j)zY(ji)Y(ji)(gu)y(tng)һÿ19ȡϢ˳ȡģ匦ړнy(tng)һY(ji)(gu)ęzY(ji)܉(zhn)_ذÿһ헌ϢȡɌ(sh)(j)֪Y(ji)(gu)y(tng)һr£ģijȡܵõ^ߵĜ(zhn)_෴^Y(ji)(gu)Ҳ˳ȡ(zhn)_
4Y(ji)Z
ᘌDeepwebYԴϢȡY(ji)Ϣȡ^̎ԃӿںͳȡY(ji)(gu)(sh)(j)@ɂҪEʹõļg(sh)CģijȡĿģijȡ^ߵĜ(zhn)_ģY(ji)(gu)ʹóȡ^õĿֲģɺͳȡ(zhn)_^هW(wng)퓽Y(ji)(gu)ľDeepwebY(ji)(gu)ľW(wng)j(lu)YԴȡеMһ(yng)áSȻZ̎g(sh)Mһl(f)չϢdwĽY(ji)(gu)Ϣ(ni)(lin)ϵijȡg(sh)һоc 3.2D^W(xu)Փռ^еЇ
D^W(xu)cЇD^`һxČW(xu)Y(ji)(gu)ݔ^̴½(jng)vׂAΣЇĬF(xin)Ҫ@ǰfƬ(zhn)(w)\ЇtD^B׃ǰW(xu)(x)(chung)kʽD^ĩrڹD^^ĂD^\ӵdֱ1919Ļ\ԁ팦D^W(xu)ՓMЇF(xin)D^Փ͌`^ʼKSΌW(xu)(x)Ć}@зe۵Ľ(jng)ͽӖ(xn)ڮ(dng)D^W(xu)оЇĆ}ЅrֵڂռŬͻD^ՓļW(xu)g(sh)ٷʹďVP(gun)ע@漰ZD(zhun)QD(zhun)QĆ}ζW(xu)߂HҪڌW(xu)g(sh)һչ߀ҪڌW(xu)g(sh)֮۰l(f)F(xin)}CͨtW(xu)挦ЇD^`rױF(xin)Щeλoܡ@Їо^Ҫͺĵһh(hun)wF(xin)ЇD^`ĬF(xin)ҪcW(xu)֮gď
D^W(xu)֪RwϵF(xin)һ̶ȵռȫУO(sh)ĈD^W(xu)TʿѳҎ(gu)ģձԹl(f)չĻA(ch)ϣЇν(jng)l(f)չĈD^I(y)}@ĿǰЇ}֮ءzW(xu)g(sh)Ŀǰo(j)90ԁF(xin)ԒZڈD^W(xu)еļӺ͑(yng)ág(sh)D^W(xu)ƌW(xu)D^W(xu)ĈD^W(xu)鮔(dng)ǰЇD^W(xu)оԒZ͟oһಽڅČW(xu)g(sh)ՓD^܌W(xu)һdоI(lng)Դ1986ҿȷgW(xu)xġD^܌W(xu)
3.3D^W(xu)ƌW(xu)x(jng)оЇ
D^W(xu)ՓǾwģͬrҲƌW(xu)x(jng)оĂy(tng)СͨtȻ@ЩСͨtԵՓmȻƌW(xu)һЇć顣@ͨtЇ(jng)±CΣͳɞD^W(xu)оЇҪn}҂J(rn)ЩγɵġƌW(xu)ՓP(gun)ՓֻЇ}ąoɱwF(xin)ՓcЇ`֮gľoԪ(sh)(j)һN^֪RMՓ{(dio)ČN(f)sʽ֪RĸʽڬF(xin)֪RM^вЇˣͨÑܺڡԡrЇDͲǡʽ硰ˇԡ@һ䌍·֡ŷNīI˂Ǹ(j)ԁP(gun)ڡˇĽMͿӵP(gun)ϵν̻ϵĹܵȣĻ@һԡīI硶Ď쿂Ŀ??ԊuԡĵīI˱M֪ġĵc˂Ԋux·īI[8]mȻԡƌW(xu)Ļ\нһo(j)ĕrg܂y(tng)ĻѬµЇ֪RȻAT硰ˇԡԊuǘӵĽ(jng)ܶƌW(xu)x[µij@ԺܺõؽጣʲôıĸN֪R(dng)\ЇD^`rןoɹ
4Y(ji)Z
D^W(xu)оЇ緶(ni)D^W(xu)оһn}(dng)ȫ˳һNͷA(y)ڵȫЧ(yng)M屾λĈD^W(xu)ЇP(gun)D^W(xu)оЇ}HYԴh(yun)Ҍh(yun)@D^W(xu)a(chn)ĚvʷW(xu)Y(ji)(gu)QD^W(xu)оЇă(ni)ݰ_SĿǰЇоc(yng)ԓD(zhun)ƵŬl(f)F(xin)Ї(dng)ضr¡ضD^`}ȥCЩһЇD^W(xu)оĵͨt
īI
[1]ο.D^W(xu)W(xu)ƽO(sh)Ҫ.D,1998(1):1.
[2]Ɲ.ՓD^W(xu).Dc,2005(4):13-16.
[3]Ɲ.ԇՓD^W(xu)Ŀc.D^s־,2004, (11):2-7.
[4]ϏV,.D^W(xu)W(xu)оMչ.:D^,1999:64-114.
[5]x.l(f)~.D^,1926(1):1.
[6]U.ȫDDĺ. ,콨A,g.̄(w)ӡ^,2001:57.
[7]˹.ȫW(wng)j(lu)Ļc:ĻԪ,x,ԼһNȫϣ.A,g.ϺW(xu)W(xu),2006(5):11-23.
[8]st.ԡеĺīI.W(xu)D^W(xu),2004(4):69-72.
P(gun)~ȡ о Ϣ ģףϢȡо deepwebW(wng)ֲ(jng)v deepwebW(wng)朽
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