1. An integrated computer browsing system, comprising: a computer controlled user interface display, processing means for presenting data from a complex lattice data structure in a tree data structure, browsing means for navigating said complex lattice data structure through said tree data structure by means of multi-navigation paths, and display processor means for facilitating navigation without expanding said tree by providing navigation information as displayed categories of information located beyond currently displayed information.
9. The system recited in claim 1 further comprising: means for building, maintaining, and using said multi-inheritance taxonomy, means for providing multiple parents in said taxonomy, and means for storing the nodes of each of said multiple parents wherein each node is stored at a single location, each of said parents being displayed in said taxonomy a plurality of times.