00788nam0-22002891i-450-990000083550403321000008355FED01000008355(Aleph)000008355FED0100000835520011111d--------km-y0itay50------baitay-------001yyAutomatic keyword classification for information retrievalKaren Sparck Jones.LondonButterworths1971253 p.22 cmDocumentazioneAutomazioneReti informative005.74Spark Jones,KarenITUNINARICAUNIMARCBK99000008355040332113 U 03 1027353FINBCFINBCUNINAING01