ELECTRONIC	h   t   t   p   c o l o n   s l a s h   s l a s h   h o m e dot d e i b dot p o l i m i dot i   t   s l a s h   s i l v a n o   s l a s h   p a p e r i   u n d e r s c o r e	http://home.deib.polimi.it/silvano/paperi_	1