Maria Aparecida M. Souto Regina Verdin José Palazzo M. de Oliveira Discovering Web Usage Patterns for Modeling Learner's Cognitive Abilities. 279-285 2005 conf/la-web/2005 LA-WEB http://doi.ieeecomputersociety.org/10.1109/LAWEB.2005.15 db/conf/la-web/la-web2005.html#SoutoVO05