Anni-Yasmin Turhan Thomas Springer Michael Berger Pushing Doors for Modeling Contexts with OWL DL a Case Study. 13-17 2006 conf/percom/2006w PerCom Workshops http://doi.ieeecomputersociety.org/10.1109/PERCOMW.2006.114 db/conf/percom/percomw2006.html#TurhanSB06