title: structured document storage and refined declarative and navigational access mechanisms in hyperstorm. authors: karl aberer , xiaoya yang , klemens böhm , erich j. neuhold. venue: vldb j.. year: 1997
title: structured document storage and refined declarative and navigational access mechanisms in hyperstorm. authors: klemens b &#246; hm , karl aberer , erich j. neuhold , xiaoya yang. venue: the vldb journal -- the international journal on very large data bases. year: 1997