1. A system for graphically representing uncertainty in an assisted decision-making application, comprising: a database that contains a class vector for each of a plurality of objects of interest, wherein a given class vector includes a plurality of possible classes for its associated object of interest and a corresponding set of confidence values associated with the plurality of possible classes, the database further containing a set of at least one assumption associated with each confidence value; and a user interface that displays a plurality of graphics representing the objects of interest, a given graphic including a set of at least two class icons, each corresponding to one of the plurality of possible classes associated with its corresponding object of interest, a qualitative indication of the confidence values associated with the plurality of possible classes, and a set of at least one assumption associated with a given confidence value.