1. A method of providing a visualization graph on a computer comprising: storing data corresponding to a plurality of entities, wherein a semantic net includes the entities and wherein the entities are linked to each other by a plurality of relations; in response to a query with respect to an entity selected from the plurality of entities, providing a visualization graph representing the results of the query; and selecting those entities from the plurality of entities having at least one common relation; and storing the selected entities as a plurality of groups.