A. Hubmann-Haidvogel, A. Scharl, и A. Weichselbraun. 14th Brazilian Symposium on Multimedia and the Web (WebMedia-2008), стр. 5--8. Vila Velha, Brazil, Brazilian Computing Society, (2008)
A. Dickinger, A. Scharl, и A. Weichselbraun. Proceedings of the 5th International Conference on Knowledge Management
(I-KNOW 2005), стр. 20--27. Graz, Austria, (2005)