SOJKA, Petr and Aleš HORÁK. Proceedings of Second Workshop on Recent Advances in Slavonic Natural Languages Processing, RASLAN 2008. Edited by Sojka P., Horák A. prvni. Brno: Masaryk University, 2008, 110 pp. ISBN 978-80-210-4741-9.
SOJKA, Petr and Aleš HORÁK. First Workshop on Recent Advances in Slavonic Natural Languages Processing, RASLAN 2007. Edited by Sojka P., Horák A. prvni. Brno: Masaryk University, 2007, 118 pp. ISBN 978-80-210-4471-5.
SOJKA, Petr, Ivan KOPEČEK and Karel PALA. TSD - Ninth International Conference on TEXT, SPEECH and DIALOGUE (TSD- Ninth International Conference on TEXT, SPEECH and DIALOGUE). 2006.