A. Bozzon, T. Iofciu, W. Nejdl, A. Taddeo, and S. Tönnies. 1st International Workshop on Collaborative Open Environments for Project-Centered Learning, September 2007, Crete, Greece, Sissi, Lassithi, Crete, CEUR Workshop Proceedings, (2007)
A. Bozzon, T. Iofciu, W. Nejdl, and S. Tönnies. 7th International Conference, ICWE 2007 Como, Italy, July 16-20, volume 4607 of Lecture Notes in Computer Science, page 210 -- 225. Berlin, Heidelberg, Springer Berlin Heidelberg, (2007)
Y. Chang, Z. Ren, T. Nguyen, W. Nejdl, and B. Schuller. Interspeech 2022, 23rd Annual Conference of the International Speech
Communication Association, Incheon, Korea, 18-22 September 2022, page 4003--4007. ISCA, (2022)
Y. Chang, Z. Ren, T. Nguyen, W. Nejdl, and B. Schuller. Interspeech 2022, 23rd Annual Conference of the International Speech Communication Association, Incheon, Korea, 18-22 September 2022, page 4003--4007. ISCA, (2022)