For a discussion of the rich variety of data structures
that can be superimposed as a 'representation layer'
on top of the basic InfinityDB 'engine layer,'
Data Structures" (PDF).
The design principles and implementation of the InfinityDB
engine itself is covered in "The
Design of the Infinity Database Engine" (PDF).
This document explains the patented concurrency system,
which maximizes throughput while reducing inter-Thread interference.