@inproceedings{CEUR-WS.org/Vol-447/paper4,
  author = {Juri Luca De Coi and Philipp K\{"a}rger and Daniel Olmedilla and Sergej Zerr},
  title = {{Using Natural Language Policies for Privacy Control in Social Platforms}},
  year = {2009},
  crossref = {CEUR-WS.org/Vol-447},
  url = {http://CEUR-WS.org/Vol-447/paper4.pdf}
}

@proceedings{CEUR-WS.org/Vol-447,
  author = {Michael Hausenblas and Philipp K\"{a}rger and Daniel Olmedilla and Alexandre Passant and Axel Polleres},
  title = {Proceedings of the First Workshop on Trust and Privacy on the Social and Semantic Web (SPOT2009)},
  year = {2009},
  month = {Jun},
  day = {1},
  address = {Heraklion, Greece},
  publisher = {CEUR-WS.org},
  url = {http://CEUR-WS.org/Vol-447/}
}