Excerpt from Searching and Storing Similar Lists This problem arose in the work on the geometric retrieval problem by Cole and Yap [cy], where one wants to solve a variant of problem (b) as efficiently as possible. More generally, in computational geometry it is frequently the case that one wants to store many similar lists, though sometimes only needing to carry out a simpler version of operation (b), namely, to output all the items in a given list It is an issue which arises in graphics also, where it is termed coher ence; the problem is to take advantage of many lists being similar in carrying out processing on the several lists [sss]. 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.