Patent ID: 6910040

Claim:
A computer readable medium bearing computer readable instructions for carrying out the process of parsing information arranged in a hierarchical order into a plurality of content units arranged in a hierarchical structure comprising at least one parent node, at least one leaf node, and at least one edge relating the parent node and the leaf node wherein the leaf node is indicative of at least one of the plurality of content units, the parent node and the edge are indicative of a hierarchical order of the information; providing a relational database comprising a node table and an edge table; and storing the hierarchical structure in the relational database such that the information indicative of the edge is stored in the edge table, information indicative of the parent node is stored within the node table, and information indicative of the leaf node is stored in the node table; and content units are stored in a location accessible by the database whereby the location of the content unit can be determined from the information indicative of the leaf node.