title: the a-tree : an index structure for high-dimensional spaces using relative approximation. authors: y sakurai , m yoshikawa , s uemura , h kojima. venue: vldb. year: 2000
title: the a-tree : an index structure for high-dimensional spaces using relative approximation. authors: y sakurai , m yoshikawa , s uemura , h kojima. venue: vldb ,. year: 2000.0