@article{Preu00a,
author = {G.~Preuner AND M.~Schrefl},
journal = {{World Wide Web Journal, Special Issue on World Wide Web Data Management}},
number = {2},
pages = {125--138},
title = {{A Three-Level Schema Architecture for the Conceptual Design of Web-Based Information Systems: From Web-Data Management to Integrated Web-Data and Web-Process Management}},
volume = {3},
year = {2000}
}