TY - JOUR AU - M. S. Ageev TI - Improving document ranking based on logs of search engine users JO - Numerical methods and programming PY - 2012 SP - 559 EP - 571 VL - 13 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMP_2012_13_4_a8/ LA - ru ID - VMP_2012_13_4_a8 ER -