Javier Bajo Pérez Juan M. Corchado María N. Moreno García Vicente Julián Philippe Mathieu Joaquín Cañada Bago Alfonso Ortega Antonio Fernández-Caballero Highlights in Practical Applications of Agents and Multiagent Systems - 9th International Conference on Practical Applications of Agents and Multiagent Systems, PAAMS 2011 Special Sessions, Salamanca, Spain, 6-8 April 2011 89 2011 http://dx.doi.org/10.1007/978-3-642-19917-2 978-3-642-19916-5 PAAMS (Special Sessions) Advances in Soft Computing Springer db/conf/paams/paams2011s.html