A method is disclosed for creating a bit stream from an indexing tree including a plurality of hierarchical levels, to each of which one or several index nodes are assigned. The index nodes contain index data which is sorted in the indexing tree according to one or several given criteria. Index data...http://www.google.de/patents/US7330854?utm_source=gb-gplus-sharePatent US7330854 - Generating a bit stream from an indexing tree
