@Techreport{cimiano2006sokssxdd, author = "Philipp Cimiano and Duc Thanh Tran and Fabio Ciravegna and Luca Gilardoni and P. Salavazza and Victoria Uren and Daniela Petrelli and Thomas Franz and Vita Lanfranchi and Johannes Busse and Aba-Sah Dadzie and Yuangui Lei and Daniel Rabus", institution = "Institute AIFB, University of Karlsruhe", title = "Specification of Knowledge Sharing Systems. X-Media Deliverable D4.1", year = "2006", }