@conference {2016, title = {{\textquotedblleft}VC/DC{\textquotedblright} - Video versus Domain Concepts in Comments to Learner - generated Science Videos}, booktitle = {Proceedings of the 24th International Conference on Computers in Education (ICCE 2016)}, year = {2016}, address = {Mumbai, India}, author = {H. Ulrich Hoppe and M{\"u}ller, Max and Alissandrakis, Aris and Milrad, Marcelo and Christina Schneegass and Nils Malzahn} }