title: principles of optimally placing data in tertiary storage libraries. authors: s christodoulakis , p triantafillou , f zioga. venue: vldb. year: 1997
title: triantaâ ® llou , p. , zioga , f. , 1997 . principles of optimally placing data in tertiary storage. authors: s christodoulakis. venue: proceedings of the 23rd vldb. year: nan