@inproceedings{ehls-soecn-06,
  author = {Michael Engelhardt and Arne Hildebrand and Dagmar Lange and Thomas C. Schmidt},
  title = {{Semantic Overlays in Educational Content Networks}},
  booktitle = {Proceedings of TERENA Networking Conference 2006},
  editor = {Ingrid Melve et al},
  year = {2006},
  month = {May},
  address = {Catania},
  url = {http://www.terena.nl/events/tnc2006/core/getfile.php?file_id=751},
  publisher = {TERENA},
  theme = {hp|el}
}