I worked on the BuddySpace and ELeGI projects. My primary areas are presence visualisation and scientific collaboration support. I'm interested in large scale presence visualisation using different visualisation spaces and techniques as fisheye, etc.

Keys: Presence visualisation, Presence mining, BuddySpace, Jabber, Visualisation of large datasets, Geographical and Spatial Information systems

Page, K., Michaelides, D., Buckingham Shum, S., Chen-Burger, Y., Dalton, J., Roure, D., Eisenstadt, M., Potter, S., Shadbolt, N., Tate, A., Bachler, M. and Komzak, J. (2005) Collaboration in the Semantic Grid: a Basis for e Learning, Applied Artificial Intelligence, 19, 9-10, pp. 881-904, Taylor and Francis

Vogiazou, Y., Eisenstadt, M., Dzbor, M. and Komzak, J. (2005) From Buddyspace to CitiTag: Large scale Symbolic Presence for Community Building and Spontaneous Play, ACM Symposium on Applied Computing, Proceedings of the ACM Symposium on Applied Computing, Santa Fe, New Mexico

Eisenstadt, M., Komzak, J. and Cerri, S. (2005) Peer Conversations For E Learning In The Grid, First Conference of the European Learning Grid Infrastructure, Naples, Italy

Vogiazou, Y., Eisenstadt, M., Dzbor, M. and Komzak, J. (2005) From Buddyspace to CitiTag: Large-scale Symbolic Presence for Community Building and Spontaneous Play, Proceedings of the ACM Symposium on Applied Computing, Sante Fe, New Mexico, USA

Eisenstadt, M., Komzak, J. and Cerri, S. (2004) Enhanced Presence and Messaging for Large Scale e Learning, International Symposium on Tele Education and Lifelong Learning, Havana, Cuba Proceedings of TelEduc04, the Third International Symposium on Tele Education and Lifelong Learning

Bachler, M., Buckingham Shum, S., Burger, J., Dalton, J., Roure, D., Eisenstadt, M., Komzak, J., Michaelides, D., Page, K., Potter, S., Shadbolt, N. and Tate, A. (2004) Collaboration in the Semantic Grid: A Basis for e Learning, Workshop: Semantic Grid Applications at GGF11, Honolulu, Hawaii, USA Proceedings of GGF11 Semantic Grid Applications Workshop, eds. D Michaelides L Moreau

Bachler, M., Buckingham Shum, S., Burger, Y., Dalton, J., Roure, D., Eisenstadt, M., Frey, J., Komzak, J., Michaelides, D., Page, K. and Potter, S. (2004) Chain ReAKTing: Collaborative Advanced Knowledge Technologies in the Comb e Chem Grid, Workshop: E Science All Hands Meeting, Nottingham, UK

Vogiazou, Y., Dzbor, M., Komzak, J. and Eisenstadt, M. (2003) BuddySpace: Large Scale Presence for Communities at Work and Play, The Role of Online Community Spaces in Shaping Virtual Community Interactions (workshop) in the International Conference on Communities and Technologies 2003, Amsterdam, the Netherlands

Vogiazou, Y., Dzbor, M., Komzak, J. and Eisenstadt, M. (2003) BuddySpace: Large Scale Presence for Communities at Work at Play, Workshop: Inhabiting Virtual Places at E CSCW 03, Helsinki, Finland

Komzak, J. and Slavik, P. (2003) Scaleable GIS Data Transmission and Visualisation, The 7th International Conference on Information Visualisation (IV03), IEEE, London, UK Proceedings of the 7th International Conference on Information Visualisation (IV03)

Eisenstadt, M., Komzak, J. and Dzbor, M. (2003) Instant messaging + maps = powerful collaboration tools for distance learning, TelEduc03, Havana, Cuba Proceedings of TelEduc03

Komzak, J. and Slavik, P. (2002) Architecture of System for Configurable GIS Data Compression, WSCG2002, Pilsen, Czech Republic Proceedings of WSCG2002 Posters

Komzak, J. (2001) Hierarchical clustering speed up using position lists and data position hierarchy, KMi Technical report 115

Komzak, J. (2001) Visualisation Of Entity Distribution In Very Large Scale Spatial And Geographic Information Systems, KMi Technical report 116