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Может стоит посмотреть на вот такую штуку? http://www.knewton.com/adaptive-learning-intro/features/ Knewton recommendations steer students on personalized and even cross-disciplinary paths on the knowledge graph towards ultimate learning objectives based on both what they know and how they learn. The more content that teaches or assesses each concept that is added to the system, the more precise the adaptive course experience becomes.