1. A computer implemented method for visualizing concepts within a collection of information, the method comprising: analyzing, by a computer system, a set of materials from at least one collection of information; defining, by the computer system, an attribute space associated with the set of materials; determining automatically, by the computer system, similarity of members of the attribute space; generating, by a computer system, a graphical model of the members of the attribute space, wherein generating the graphical model includes generating a display of the members of the attribute space, each of the members having a respective display distance from other respective members of the attribute space reflective of the determined similarity.