title: the intrinsic problems of structural heterogeneity and an approach to their solution theo härder , joachim thomas , günter sauter. authors: nan. venue: vldb j.. year: 1999.0
title: the intrinsic problems of structural heterogeneity and an approach to their solution the vldb journal -- the international journal on very large data bases 1999. authors: theo h &#228; rder , g &#252; nter sauter , joachim thomas. venue: nan. year: nan