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100   $a20061213h2004----km y1itay5003----ba
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200 1 $aOntologies$ea silver bullet for knowledge management and electronic commerce$fDieter Fensel
205   $a2nd ed. revised and extended
210   $aBerlin [etc.]$cSpringer$dcopyr. 2004
215   $aX, 162 p.$cill.$d25 cm
606 0 $aArchivi di dati$2BNCF
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