61. The method of claim 60 , further comprising: identifying a hyperlink neighborhood of a start file O, said hyperlink neighborhood being composed of at least one of: all files B having directed links pointing to O, and all files B which are pointed to by O.
61. The method of claim 60 , further comprising: identifying a hyperlink neighborhood of a start file O, said hyperlink neighborhood being composed of at least one of: all files B having directed links pointing to O, and all files B which are pointed to by O. 62. The method of claim 61 , wherein a hyperlink neighbor score (HNW) is calculated for each file in said hyperlink neighborhood, according to the following formula: 
 HNW=d ( HLW ) +e ( LA )+ f ( FQS ), where HLW=a hyperlink weight, LA is a link analysis score for the neighbor, FQS equals a file quality score for the neighbor, and d, e, and f are tuning parameters.