Recently, there has been considerable interest in providing “trusted computing platforms” using hardware — TCPA and Palladium being the most publicly visible examples. In th...
David Lie, Chandramohan A. Thekkath, Mark Horowitz
Morphological operators designed for grey-scale functions process every points of the space identically whatever their luminance. In many situations however, it is interesting to ...
—The implementation and optimization of collective communication operations is an important field of active research. Such operations directly influence application performance...
Torsten Hoefler, Christian Siebert, Andrew Lumsdai...
In this paper, we study the effects of compression on bitmap indexes. The main operations on the bitmaps during query processing are bitwise logical operations such as AND, OR, N...
There are three set operators defined in XQuery, namely union, intersect and except. They take node sequences as operands, in which each node is identified by its node-ID and tr...