@conference {Manske_2016,
	title = {The "Concept Cloud": Supporting Collaborative Knowledge Construction Based on Semantic Extraction from Learner-Generated Artefacts},
	booktitle = {2016 IEEE 16th International Conference on Advanced Learning Technologies (ICALT)},
	year = {2016},
	month = {jul},
	publisher = {IEEE},
	organization = {IEEE},
	doi = {10.1109/icalt.2016.123},
	url = {https://doi.org/10.1109\%2Ficalt.2016.123},
	author = {Sven Manske and H. Ulrich Hoppe}
}
