Concept map assessment includes receiving a first concept map from a learner and preparing an assessment of the first concept map for a learner based on at least one of: an amount of edge differences and an amount of path differences between the first concept map and a second concept map, a similarity detection system to detect similarity in text between the first concept map, the second concept map and learning content, and peer-review of the first concept map by other learners and reviews of the peer-reviews by the learner of other learners' first concept maps.