Rosa Vicari Cecilia Dias Flores Louise J. Seixas João Carlos Gluz Helder Coelho AMPLIA: A Probabilistic Learning Environment. 347-373 2008 18 I. J. Artificial Intelligence in Education 4 http://iospress.metapress.com/content/3163x21w50654m41/ db/journals/aiedu/aiedu18.html#VicariFSGC08