title: cmvf : a novel dimension reduction scheme for efficient indexing in a large image database j shen , a ngu , j shepherd , d huynh , q sheng 2003. authors: nan. venue: sigmod conference. year: nan
title: locally adaptive dimensionality reduction for indexing large time series databases. authors: k chakrabarti , e keogh , s mehrotra , m pazzani. venue: acm transactions on database systems ,. year: 2002.0