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ÀÁÐÀÊÀÄÀÁÐÀ (Òîæå ñàìîå íî â ÷èòàåìîì âèäå) Ècnjhbxtcrb ckj;bkjcm, xnj gjbcrjdst cbcntvs bcgjkmpjdfkb eghjotyyst vjltkb lkz bpdktxtybz cbuyfkjd lkz hfy;bhjdfybz b fynbcgfvf. Ïj vtht hjcnf nhfabrf b rkbrcnhbvf cnfk djpvj;ysv gtht[jl r ,jktt htfkbcnbxysv vjltkzv. Ífghbvth, yf cvtye vjltkb ckexfqyjuj ,ke;lfybz PageRank ghbikb vjltkb extnf gjdtltybz htfkmys[ gjkmpjdfntktq (Browserank b fyfkjubxyst fkujhbnvs). Êjytxyj, 'njn gtht[jl yt jpyfxftn ,tpjujdjhjxyjuj jnrfpf jn nhflbwbjyyjuj PageRank, yj jpyfxftn evtymitybt tuj drkflf d hfcxtn htktdfynyjcnb ljrevtynf d gjkmpe yjds[ djpvj;yjcntq. Âf;yj, xnj htfkbcnbxyst vjltkb j,tcgtxbdf.n yt njkmrj kexibq cbuyfk d hfy;bhjdfybb, yj b gjpdjkz.n 'aatrnbdyj gjlfdkznm cgfv. Ðfccvjnhbv ytrjnjhst gjl[jls, jge,kbrjdfyyst d cnfnmt «Identifying Web Spam with User Behavior Analysis», Tsinghua University, Beijing, 2008. Àdnjhs htibkb ldt pflfxb: 1. Âszdktys gjdtltyxtcrbt if,kjys, gjpdjkz.obt 'aatrnbdyj j,yfhe;bdfnm cgfv, 2. Ñjplfyf gkfnajhvf lkz j,yfhe;tybz yjds[ cgjcj,jd cgfvf. Òt[ybxtcrjq ,fpjq lkz 'rcgthbvtynf gjcke;bk ahfuvtyn kjuf gjbcrjdjq cbcntvs sogou.com pf 57 cenjr (ktnj 2007 ujlf). Ýnjn vfccbd lfyys[ cjlth;fk 22.1 vbkkbjyf gjkmpjdfntkmcrb[ ctccbq b 2,74 vbkkbfhlf rkbrjd gj 800 vbkkbjyfv ljrevtynjd. Øf,kjys, [jhjij [fhfrnthbpe.obt cgfvÄjkz seo-nhfabrf yf ljrevtyn Îghtltkbv ljk. seo-nhfabrf (search engine oriented visit, SEOV): 
Ãbgjntpf ghjcnf: yf cgfvyst ljrevtyns gjkmpjdfntkb j,sxyj gjgflf.n njkmrj xthtp gjbcrjde. dslfxe. Ífghjnbd, yf rfxtcndtyyst ljrevtyns j,sxyj ceotcndetn yt seo-nhfabr. Ïhtlgjkfuftv, SEOV lkz cgfvys[ ljrevtynjd ,eltn ,jktt dscjrbv. Ïjcvjnhbv yf hfcghtltktybt rfxtcndtyys[ b cgfvys[ ljrevtynjd gj bynthdfkfv SEOV: 
Âblyj, xnj 82% [jhjib[ ljrevtynjd gjkexbkb vtytt 10% nhfabrf bp gjbcrjds[ cbcntv. Ñ lheujq cnjhjys, lkz gjxnb 60% cgfvys[ ljrevtynjd ljkz seo-nhfabrf 40% b ,jktt. Ïhb 'njv dctuj 1% rfxtcndtyys[ ljrevtynjd bvttn SEOV ,jktt 70%. Äjrevtyn rfr bcnjxybr nhfabrf Ïhb rkbrt gj ccskrt b bcnjxybr, b wtktdfz cnhfybwf gtht[jlf abrcbhe.ncz d web access log’t. Ë.,jq ljrevtyn vj;tn zdkznmcz rfr gjkexfntktv, nfr b bcnjxybrjv nhfabrf. Õjnz cgfvyst ljrevtyns vjuen cjlth;fnm ,jkmijt rjkbxtcndj bc[jlzob[ ccskjr, jyb j,sxyj yt gjhj;lf.n nhfabrf yf wtktdst cnhfybws. Îghtltkbv ljk. ckexftd, d rjnjhs[ ljrevtyn zdkztncz bcnjxybrjv nhfabrf (source page rate, SP): 
Èp hfcghtltktybz ljrevtynjd gj ghbdtltyyjve rhbnthb. dblyj, xnj SP lkz rfxtcndtyys[ cnhfybw j,sxyj ,jkmit, xtv lkz cgfvys[: 
Ïjxnb gjkjdbyf cgfvys[ ljrevtynjd, ghbcencnde.ob[ d training set’t, htlrj dscnegf.n bcnjxybrjv nhfabrf (SP < 5%). Ëbim 7.7% cgfvys[ ljrevtynjd ltvjycnhbhe.n SP ,jktt 40%, ljkz rfxtcndtyys[ ljrevtynjd d 'njv ;t lbfgfpjyt SP — ,jktt 53%. Äjkz rjhjnrb[ dbpbnjd Îxtdblyj, rjyntyn cgfvys[ ljrevtynjd yt cnbvekbhetn gjkmpjdfntktq ghjdjlbnm vyjuj dhtvtyb yf cfqnt. Îghtltkbv ljk. rjhjnrb[ dbpbnjd (short-time navigation rate, SN rate): 
Ïthtvtyyfz N vj;tn dfhmbhjdfnmcz, bccktljdfntkb ecnfyjdbkb tt hfdyjq 3. Ôbpbxtcrbq cvsck SN ghjcn — 'nj ljkz ctccbq, d rjnjhs[ ,skj ghjcvjnhtyj vtytt N ljrevtynjd cfqnf. Âblyj, xnj ljkz rjhjnrb[ dbpbnjd gjpdjkztn ytgkj[j htibnm pflfxe dszdktybz cgfvf: 
Àkujhbnv j,yfhe;tybz cgfvf, jcyjdfyysq yf fyfkbpt jcj,tyyjcntq gjdtltybz gjkmpjdfntktqÂszdktybt cgfvf — nbgbxyfz pflfxf rkfccbabrfwbb. Èccktljdfntkb bcgjkmpjdfkb yfbdysq ,fqtcjdcrbq rkfccbabrfnjh b hfccvjnhtkb jlyj- b vyjujafrnjhye. vjltkb. Ènjujdfz aeyrwbz jwtyrb dthjznyjcnb ljrevtynf ,snm cgfvysv:
Ätnfkb htfkbpfwbb ljcnegys d bc[jlyjq cnfnmt. Èynthtcyj, xnj ghtlkj;tyyst afrnjhs jrfpfkbcm ghfrnbxtcrb ytpfdbcbvs: 
Ïj-dblbvjve, 'nj cdzpfyj c hfpkbxyjq ghbhjljq bcnjxybrjd lfyys[. Àkujhbnv dszdktybz cgfvf: 1. Ñ,jh kjuf, 2. Ðfcxtn SEOV b SP lkz rf;ljuj ljrevtynf, 3. Ðfcxtn SEOV b SP lkz rf;ljuj cfqnf (echtlyzz ljrevtynyst lfyyst g.2), 4. Ðfcxtn SN lkz rf;ljuj cfqnf, 5. Ðfcxtn dthjznyjcnb ljrevtynf jrfpfnmcz cgfvysv. ÐtpekmnfnsÎ,exbd rkfccbabrfnjh, hfphf,jnxbrb fkujhbnvf ghjntcnbhjdfkb tuj yf ckexfqyjq ds,jhrt bp 1564 cfqnjd. Àctccjhs cjxkb 345 cfqnjd cgfvysvb, 1060 yt cgfvysvb, 159 — pfnhelybkbcm jwtybnm. Ïjcnhjtyyfz ROC bkk.cnhbhetn, xnj SP b SEOV gjpdjkz.n 'aatrnbdytt j,yfhe;bnm cgfv, xtv SN: 
Èynthtcyf ghj,ktvf crjhjcnb htfrwbb yf gjzdktybt cgfvf. Òhflbwbjyyj yf dszdktybt cgfvf nht,etncz dhtvz. Ýnj [jhjij dblyj yf cktle.otq rhbdjq: 
Ïhtlkj;tyysq fdnjhfvb vtnjl gjpdjkztn ecrjhbnm j,yfhe;tybt cgfvf. Ïhfrnbxtcrbt htrjvtylfwbb×nj,s cybpbnm dthjznyjcnm hfpvtnrb cfqnf rfr cgfvyjuj, ye;yj: 1. Äevfnm j cxfcnmt gjkmpjdfntkz:
3. Ít ghbdktrfnm gkj[j rjydthnbhe.obqcz nhfabr:
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