@InProceedings{RKSp08, author = {D. Renzel and R. Klamma and M. Spaniol}, title = {{MobSOS} -- {A} {T}estbed for {M}obile {M}ultimedia {C}ommunity {S}ervices}, booktitle = {Proceedings of WIAMIS 2008, Special Session on Multimedia Metadata Management \& Retrieval: 8th Workshop of the Multimedia Metadata Community, Klagenfurt, Austria, May 7 - 9}, pages = {139 -- 142}, year = 2008, editor = {n.n.}, publisher = {IEEE Internet Society}}