D. Sonntag, and M. Möller. Proceedings of the Sixth International Conference on Intelligent Environments (IE 2010), Kuala Lumpur, Malaysia, page 84--89. Los Alamitos, CA, IEEE Computer Society CPS, (2010)
P. Rangel, J. Carvalho Junior, M. Ramirez, and J. de Souza. Proceedings of the Sixth International Conference on Intelligent Environments (IE 2010), Kuala Lumpur, Malaysia, page 116--121. Los Alamitos, CA, IEEE Computer Society CPS, (2010)
F. Nothdurft, G. Bertrand, T. Heinroth, and W. Minker. Proceedings of the Sixth International Conference on Intelligent Environments (IE 2010), Kuala Lumpur, Malaysia, page 90-95. Los Alamitos, CA, IEEE Computer Society CPS, (2010)
B. Liu, H. Chen, and W. He. ICTAI '05: Proceedings of the 17th IEEE International Conference on Tools with Artificial Intelligence, Hong Kong, China, page 254-259. (2005)