Adaptation Schemes for Question's Level to be Proposed by Intelligent Tutoring Systems. - Rina Azoulay; Esther David; Dorit Hutzler; Mireille Avigal (ICAART (1), 2014)

Learning Methods for Rating the Difficulty of Reading Comprehension Questions. - Dorit Hutzler; Esther David; Mireille Avigal; Rina Azoulay (SwSTE, 2014)