Francesco Bergadano Floriana Esposito Céline Rouveirol Stefan Wrobel Panel: Evaluating and Changing Representation in Concept Acquisition. 89-100 1991 conf/ecml/1991 EWSL db/conf/ecml/ewsl91.html#BergadanoERW91 http://dx.doi.org/10.1007/BFb0017006