On the combination of ${\it abstract-level}$ classifiers.

L. Bovino Giovanni Dimauro Sebastiano Impedovo On the combination of ${\it abstract-level}$ classifiers. 42-54 2003 6 IJDAR 1 http://dx.doi.org/10.1007/s10032-002-0099-z db/journals/ijdar/ijdar6.html#BovinoDI03