@conference {2014, title = {Artifact Analysis around Video Creation in Collaborative STEM Learning Scenarios}, booktitle = {2014 IEEE 14th International Conference on Advanced Learning Technologies}, year = {2014}, address = {Athens, Greece}, keywords = {Conceptual change, Network text analysis, STEM learning, Video-based learning}, doi = {10.1109/ICALT.2014.116}, url = {http://dx.doi.org/10.1007/s40692-014-0013-y}, author = {Melanie Erkens and Oliver Daems and Hoppe, H.Ulrich} }