1. A computer readable storage medium storing a program of instructions executable by a machine to perform a method of visualizing and interacting with a given term graph for a given group G defined by a set of values d for a set of dimensions D and topic X, comprising: obtaining the term graph associated with the given group G and the topic X; displaying the topic X in a tag cloud; representing each term from the term graph as a tag in the tag cloud, wherein a distance of a given tag from the displayed topic X in the tag cloud represents a distance of a term represented by the given tag from the topic X in the term graph; and visually representing a tag's importance relative to one or more of resources associated with the given group G in the tag cloud.