INPROCEEDINGS{SchwartzJ06,
  author    = {Tim Schwartz and Ralf Jung},
  title     = {A Development Cycle for Ambient System Design},
  booktitle = {Proceedings of Modelling and Designing User Assistance
               in Intelligent Environments (MODIE 2006)},
  pages     = {13--17}
  year      = {2006},
  editor = {Thomas Pederson and Helder Pinto and  Michael Schmitz and Christoph
	Stahl and Lucia Terrenghi},
  publisher = {Saarland University},
  issn = {ISSN 0944-7822}
}