@inproceedings{Crass-Kuehn-Salzer_IDEAS_2009,
 author = {Cra\ss, Stefan and K\"{u}hn, Eva and Salzer, Gernot},
 title = {Algebraic foundation of a data model for an extensible space-based collaboration protocol},
 booktitle = {IDEAS '09: Proceedings of the 2009 International Database Engineering \&\#38; Applications Symposium},
 year = {2009},
 isbn = {978-1-60558-402-7},
 pages = {301--306},
 location = {Cetraro - Calabria, Italy},
 doi = {http://doi.acm.org/10.1145/1620432.1620466},
 publisher = {ACM},
 address = {New York, NY, USA},
 }