%0 Journal Article %A M. S. Ageev %T Improving document ranking based on logs of search engine users %J Numerical methods and programming %D 2012 %P 559-571 %V 13 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMP_2012_13_4_a8/ %G ru %F VMP_2012_13_4_a8