Yves Demazeau Juan Pavón Juan M. Corchado Javier Bajo 7th International Conference on Practical Applications of Agents and Multi-Agent Systems, PAAMS 2009, Salamanca, Spain, 25-27 March 2009 PAAMS Advances in Intelligent and Soft Computing 55 2009 http://dx.doi.org/10.1007/978-3-642-00487-2 978-3-642-00486-5 Springer db/conf/paams/paams2009.html