- ITC, page 585-592. IEEE Computer Society, (2000)
- ITC, page 1. IEEE, (2009)
- ICSE, page 1001-1003. ACM, (2011)
- GHTC, page 503-505. IEEE, (2011)
- Schools and Society. A Sociological Approach to Education, 3. edition, (2008)
- International Journal on Artificial Intelligence Tools 14(1-2):1-6 (2005)
- AAAI/IAAI, page 411-416. AAAI Press / The MIT Press, (1997)
- AAAI, page 1503. AAAI Press / The MIT Press, (1994)
- SODA, page 111-120. ACM/SIAM, (1997)
- INTERSPEECH, page 261-264. ISCA, (2011)
- CoRR (2010)
- IEEE Visualization, page 597-602. IEEE Computer Society, (2003)
- IEEE Trans. Computers 61(1):18-30 (2012)
- IEEE Visualization, page 387-394. (2002)
- IEEE Visualization, IEEE Computer Society, (2001)
- IEEE Visualization, IEEE Computer Society, (2001)
- EuroPLoP, page 1-18. UVK - Universitaetsverlag Konstanz, (2003)
- EuroPLoP, page 224-254. UVK - Universitaetsverlag Konstanz, (2004)
- T. GIS 15(5):651-665 (2011)
- Theory Appl. Categ. (2008)


author