@inproceedings{5c2df0bf36b2404fb9ecc1f65cfab27d,
title = "Visualization of Learner's State and Learning Paths with Knowledge Structures",
keywords = "e-learning, education information system, knowledge space theory, knowledge structure, learning system, technology enhanced learning, visualization",
author = "Yu Nakamura and Hiroshi Tsuji and Kazuhisa Seta and Kiyota Hashimoto and Dietrich Albert",
year = "2011",
language = "English",
isbn = "978-3-642-23865-9",
series = "Lecture Notes in Computer Science",
publisher = "Springer Berlin - Heidelberg",
pages = "261--270",
booktitle = "Proceedings of the 15th International Conference on Knowledge-based and Intelligent Information and Engineering Systems - Volume Part IV",
}