00547nam a2200205 a 450000500170000002000180001708200160003510000220005110000160007324500580008926000450014730000260019250000190021850000260023760000080026363000320027163000260030385600060032985600060033520251203112620.0  a9780195692327  a006.35bSID  aSiddiqui, Tanveer  aTiwary, U.S  aNatural language processing and information retrieval  aNew DelhibOxford University Pressc2015  aix, 406 p.c22cm.bPB  aIncludes index  aFifth impression 2015  bc_  aNatural language processing  aInformation retrieval  f_  a_