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Excerpt from Hierarchical Timestamping Algorithm Analysis of a set of update transactions T. Against a database consisting of a set of data partitions results in a data partition graph, where the nodes are the data partitions, and the arcs are assigned in such a way that there is an arc from a data partition D, to another data partition DJ if and only if one can hnd a potential transaction in the database system that updates data elements in D.' and accesses reads or writes) data elements in Di. That is, Di - edj, 1°;éj. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.