title: smooth - a distributed multimedia database system. authors: h kosch , l bіszіrmщnyi , a bachlechner , c hanin , c hofbauer , m lang , c riedler , r tusch. venue: vldb. year: 2001
title: system level concurrency control for distributed database systems. authors: dj rosenkrantz , re stearns , pm lewis. venue: acm transactions on database systems ,. year: 1978.0