@INPROCEEDINGS{SKR+09, AUTHOR = {Norbert Siegmund and Christian K{\"a}stner and Marko Rosenm{\"u}ller and Florian Heidenreich and Sven Apel and Gunter Saake}, TITLE = {{Bridging the Gap Between Variability in Client Application and Database Schema}}, BOOKTITLE = {13. GI-Fachtagung Datenbanksysteme f{\"u}r Business, Technologie und Web (BTW)}, YEAR = 2009, MONTH = MAR, LOCATION = {M{\"u}nster, Germany}, PUBLISHER = {GI}, NOTE = {to appear} }