P. A.  Haya, Daems, O., Malzahn, N., Castellanos, J., und H. Hoppe, U., ?Analysing content and patterns of interaction for improving the learning design of networked learning environments?, British Journal of Educational Technology, 2015.

M.  Erkens, Daems, O., und Hoppe, H. U., ?Artifact Analysis around Video Creation in Collaborative STEM Learning Scenarios?, in 2014 IEEE 14th International Conference on Advanced Learning Technologies, Athens, Greece, 2014.

O.  Daems, Erkens, M., Malzahn, N., und Hoppe, H. U., ?Using content analysis and domain ontologies to check learners? understanding of science concepts?, Journal of Computers in Education, S. 1-19, 2014.

O.  Daems, Erkens, M., Malzahn, N., und H. Hoppe, U., ?Using Content Analysis to Check Learners? Understanding of Science Concepts?, in 22nd International Conference on Computers in Education ICCE 2014, Nara, Japan, 2014.

O.  Daems, Haya, P., Malzahn, N., Castellanos, J., und H. Hoppe, U., ?Evaluating the Interaction around Student-generated Videos in an Online Learning Environment?, in Proceedings of the 3rd international workshop on Teaching Analytics IWTA-2013 at EC-TEL, Cyprus, 2013.

H. U.  Hoppe, Erkens, M., Clough, G., Daems, O., und Adams, A., ?Using Network Text Analysis to Characterise Teachers? and Students? Conceptualisations in Science Domains?, in IWTA 2013-1, 2013, Bd. 2, S. 3.

M.  Erkens, Malzahn, N., Daems, O., und H. Hoppe, U., ?Using Text-Analytic Methods to Extract Potential Misconceptions from Video Comments?, in 3rd International Workshop on Teaching Analytics (IWTA-2013) at EC-TEL 2013 - Eighth European Conference on Technology Enhanced Learning, Paphos, Cyprus, 2013.

S.  Ziebarth, Malzahn, N., Daems, O., und H. Hoppe, U., ?Creation and Matching of Competence Profiles in the German Digital Economy using Semantic Methods?, in Competence Management for Open Innovation. Tools and IT support to unlock the innovation potential beyond company boundaries, J.  Hafkesbrink, H. Hoppe, U., und Schlichter, J., Hrsg. EUL Verlag, 2010, S. 69-92.