ArikIturri: An Automatic Question Generator Based on Corpora and NLP Techniques. - Itziar Aldabe; Maddalen Lopez de Lacalle; Montse Maritxalar; Edurne Martinez; Larraitz Uria (Intelligent Tutoring Systems, 2006)

The Question Model inside ArikIturri. - Itziar Aldabe; Maddalen Lopez de Lacalle; Montse Maritxalar; Edurne Martinez (ICALT, 2007)