Competence-based knowledge structures for personalised learning J Heller, C Steiner, C Hockemeyer, D Albert International Journal on E-learning 5 (1), 75-88, 2006 | 223 | 2006 |

Knowledge structures D Albert, JC Falmagne, JP Doignon, CE Dowling, J Heller, T Held, ... Springer-Verlag, 1994 | 70 | 1994 |

On the link between cognitive diagnostic models and knowledge space theory J Heller, L Stefanutti, P Anselmi, E Robusto Psychometrika 80, 995-1019, 2015 | 57 | 2015 |

Minimum discrepancy estimation in probabilistic knowledge structures J Heller, F Wickelmaier Electronic Notes in Discrete Mathematics 42, 49-56, 2013 | 48 | 2013 |

Experimentelle Psychologie: Eine Einführung J Heller Oldenbourg Wissenschaftsverlag, 2012 | 39 | 2012 |

Skills, competencies and knowledge structures J Heller, A Ünlü, D Albert Knowledge spaces: Applications in education, 229-242, 2013 | 37 | 2013 |

Recent developments in competence-based knowledge space theory J Heller, T Augustin, C Hockemeyer, L Stefanutti, D Albert Knowledge spaces: Applications in education, 243-286, 2013 | 34 | 2013 |

Assessing the local identifiability of probabilistic knowledge structures L Stefanutti, J Heller, P Anselmi, E Robusto Behavior Research Methods 44, 1197-1211, 2012 | 34 | 2012 |

A necessary and sufficient condition for unique skill assessment J Heller, P Anselmi, L Stefanutti, E Robusto Journal of Mathematical Psychology 79, 23-28, 2017 | 25 | 2017 |

Identifiability in probabilistic knowledge structures J Heller Journal of Mathematical Psychology 77, 46-57, 2017 | 25 | 2017 |

On the psychophysics of binocular space perception J Heller Journal of Mathematical Psychology 41 (1), 29-43, 1997 | 24 | 1997 |

Concept mapping as a means to build e-learning CM Steiner, D Albert, J Heller Advanced principles of effective e-learning, 59-111, 2007 | 23 | 2007 |

Erratum to: On the link between cognitive diagnostic models and knowledge space theory J Heller, L Stefanutti, P Anselmi, E Robusto Psychometrika 81, 250-251, 2016 | 22 | 2016 |

Sprachrhythmus und Schriftspracherwerb K Sauter, J Heller, K Landerl Lernen und Lernstörungen, 2012 | 22 | 2012 |

Activity-and taxonomy-based knowledge representation framework B Marte, CM Steiner, J Heller, D Albert International journal of Knowledge and Learning 4 (2-3), 189-202, 2008 | 20 | 2008 |

Generalizing quasi-ordinal knowledge spaces to polytomous items J Heller Journal of Mathematical Psychology 101, 102515, 2021 | 19 | 2021 |

Learner Modeling to Facilitate Personalized E-Learning Experience. İ Görgün, A Türker, Y Ozan, J Heller CELDA, 231-237, 2005 | 19 | 2005 |

Distributed skill functions and the meshing of knowledge structures J Heller, C Repitsch Journal of Mathematical Psychology 52 (3), 147-157, 2008 | 16 | 2008 |

Cognitive aspects of trails: A stochastic model linking navigation behaviour to the learner’s cognitive state J Heller, M Levene, K Keenoy, D Albert, C Hockemeyer Trails in Education, 119-146, 2007 | 16 | 2007 |

A formal framework for characterizing querying algorithms J Heller Journal of Mathematical Psychology 48 (1), 1-8, 2004 | 16 | 2004 |