1
Seann A Gibson, William K Gibson: Enhanced metatree data structure for storage indexing and retrieval of information. 1st Desk Systems, Morse Altman & Benson, April 7, 1998: US05737732 (71 worldwide citation)

Data storage space and access time are significantly decreased by use of an Enhanced MTree data structure, in which data is stored in the nodes of the tree. Two kinds of nodes--predecessor nodes and successor nodes--are coexisting in the data structure and are interrelated by a distribution of point ...


2
Seann A Gibson, William K Gibson: Streaming metatree data structure for indexing information in a data base. 1st Desk Systems, Altman & Martin, April 13, 2004: US06721723 (39 worldwide citation)

A streaming metatree data storage structure in which each data item is stored as a procession of nodes and where data units common to more than one data item are stored only once. The nodes are stored in a logically linear fashion, or stream, and information within a node indicates its relationship ...