01010nam--2200349---450 99000284495020331620200403174731.03-540-00302-9000284495USA01000284495(ALEPH)000284495USA0120061213h2004----km y1itay5003----baengDEOntologiesa silver bullet for knowledge management and electronic commerceDieter Fensel2nd ed. revised and extendedBerlin [etc.]Springercopyr. 2004X, 162 p.ill.25 cmArchivi di datiBNCF005.74FENSEL,Dieter542875ITsalbcISBD990002844950203316IV.1. 924187054 L.M.IV.1.00119438005.74 FEN31339/CBS005.7400215987000 005.74 FEN12811 DISESBKSCIUMADISESOntologies992548UNISA