A device and method is disclosed for loading data into and updating a data structure known as a cube forest for use in a batch-load-then-read-intensively system. The device and method perform loading and updating functions efficiently. Hierarchically split cube forests provide a method for efficiently...http://www.google.com/patents/US6334125?utm_source=gb-gplus-sharePatent US6334125 - Method and apparatus for loading data into a cube forest data structure