00518nam a22001217a 4500020002400000082001600024100004800040245003300088260005800121300003400179500007100213650011200284  a9788131709771 (pbk)  a025.04bYAT  aYates, Ricardo BaezaaBertheir Ribiero-Neto  aModern information retrieval  aNoidabPearson India Education Services Pvt.Ltdc2007  axx,  513 p.b: ill.c; 23 cm.  aIncludes glossary, appendix, bibliographical references and index.  aInformation retrievalv Retrieval evaluationv Query operation vQuery languagev Motivationv ModelingvFC