1. A method of providing a visualization graph on a computer comprising: storing data corresponding to a plurality of entities and/or nodes, wherein a semantic net includes the entities and/or nodes and wherein the entities and/or nodes are linked to each other by a plurality of relations; generating a query; performing the query on the data, and outputting at least two of the stored data in the form of a visualization graph representing the results of the query, wherein the graph has a focus entity or node defined by a user or the query; and using context information to determine at least one entity and/or node to be output in the results that is indirectly related to the focus entity or node.