TY - JOUR T1 - Adaptive Item Selection Under Matroid Constraints JF - Journal of Computerized Adaptive Testing Y1 - 2018 A1 - Daniel Bengs A1 - Ulf Brefeld A1 - Ulf Kröhne VL - 6 UR - http://www.iacat.org/jcat/index.php/jcat/article/view/64/32 IS - 2 ER -