▁pages ▁to ▁be ▁evaluated ▁by ▁an ▁expert . ▁Once ▁the ▁re put able ▁seed ▁pages ▁are ▁manually ▁identified , ▁a ▁craw l ▁extending ▁out ward ▁from ▁the ▁seed ▁set ▁see ks ▁out ▁similarly ▁reliable ▁and ▁trust worth y ▁pages . ▁ ▁Trust R ank ' s ▁reli ability ▁dimin ishes ▁with ▁increased ▁distance ▁between ▁documents ▁and ▁the ▁seed ▁set . ▁▁ ▁The ▁logic ▁works ▁in ▁the ▁opposite ▁way ▁as ▁well , ▁which ▁is ▁called ▁Anti - Tr ust ▁Rank . ▁The ▁closer ▁a ▁site ▁is ▁to ▁sp am ▁resources , ▁the ▁more ▁likely ▁it ▁is ▁to ▁be ▁sp am ▁as ▁well . ▁ ▁The ▁research ers ▁who ▁proposed ▁the ▁Trust R ank ▁method ology ▁have ▁continued ▁to ▁ref ine ▁their ▁work ▁by ▁evalu ating ▁related ▁topics , ▁such ▁as ▁meas uring ▁sp am ▁mass . ▁ ▁See ▁also ▁▁ ▁Page R ank ▁ ▁Che i R ank ▁ ▁Ad vers arial ▁information ▁retr ieval ▁ ▁Hill top ▁algorithm ▁ ▁H IT S ▁algorithm ▁ ▁Sp am dex ing ▁ ▁References ▁ ▁External ▁links ▁▁ ▁Z . ▁Gy ö ng yi , ▁H . ▁Gar cia - M ol ina , ▁J . ▁Ped ers en : ▁Com b ating ▁Web ▁Sp am ▁with ▁Trust R ank ▁ ▁Link - based ▁sp am ▁detection ▁Y ahoo ! ▁assigned ▁pat ent ▁application ▁using ▁Trust R ank ▁ ▁Category : Re putation ▁management ▁Category : Link ▁analysis <0x0A> </s> ▁Sh ri ▁G uru ▁Ram ▁R ai ▁University ▁is ▁a ▁Private ▁university ▁located ▁in ▁De hr ad