INPROCEEDINGS{SchwartzHB06,
  author    = {Tim Schwartz and Dominik Heckmann and J\"{o}rg Baus},
  title     = {Sharing Sensor Data in Instrumented Environments},
  booktitle = {Proceedings of The Workshop on Ubiquitous Knowledge
               Discovery for Users},
  pages     = {81--88}
  year      = {2006},
  address   = {Berlin, Germany},
  month     = {September}
}