This paper proposes a highly performance dimension hierarchy (aggregate) cube(DHAC) and its novel incremental update algorithm with the dimension hierarchy(aggregate) technique on the cube,using this algorithm it computes the store of the sparse datacube.

DH++网在热电厂外循环水控制系统中的应用;

Placidly Updating Field Bus from Based on DH++ to Based on Ethernet;

PLC Network Control System for Aluminium Alloy Shape Anodizing and Coloring Based on DH++ Network;