J.  Börner, Buraczynska, J., Gärtner, J., Nolte, K., Priesmeyer, J., Üstek, A., Stephan, C., Strasdat, S., Manske, S., and Hoppe, H. Ulrich, ?Fake or Real? Analyse physikalischer Phänomene in viralen Videos im forschend-entdeckenden Lernkontext?, in DeLFI 2016 - Die 14. E-Learning Fachtagung Informatik, 11.-14. September 2016, Potsdam, 2016, pp. 89?94.

K.  Angenendt, Bormann, J., Donkers, T., Goebel, T., Kizina, A., Kleemann, T., Michael, L., Raja, H., Sachs, F., Schneegass, C., Sinzig, L. - M., Steffen, J., Manske, S., Hecking, T., and Hoppe, H. U., ?ConceptCloud - Development of an application for the support of reflection processes in the online learning portal Go-Lab,ConceptCloud -entwicklung einer applikation zur unter-stützung von reflexionsprozessen im online-lernportal go-lab?, CEUR Workshop Proceedings, vol. 1443, pp. 132-135, 2015.

S.  Manske, Chounta, I. - A., Rodríguez-Triana, M. J., Gillet, D., and Hoppe, H. U., ?Exploring deviation in inquiry learning: Degrees of freedom or source of problems??, Proceedings of the 23rd International Conference on Computers in Education, ICCE 2015, pp. 238-247, 2015.

A.  Vozniuk, Govaerts, S., Bollen, L., Manske, S., Hecking, T., and Gillet, D., ?AngeLA: Putting the teacher in control of student privacy in the online classroom?, in 2014 Information Technology Based Higher Education and Training (ITHET), 2014.

T.  Göhnert, Ziebarth, S., Malzahn, N., and Hoppe, H. U., ?Einbettung von Learning Analytics in Lernplattformen durch Integration mit einer Analyseworkbench?, in Workshop Learning Analytics im Rahmen der 12. e-Learning Fachtagung Informatik (DeLFI 2014), Freiburg, Deutschland, 2014.

T.  Göhnert, Ziebarth, S., Malzahn, N., and H. Hoppe, U., ?Enriching (Learning) Community Platforms with Learning Analytics Components?, in Collaboration and Technology, vol. 8658, N.  Baloian, Burstein, F., Ogata, H., Santoro, F., and Zurita, G., Eds. Springer International Publishing, 2014, pp. 177-184.

T.  Hecking, Manske, S., Bollen, L., Govaerts, S., Vozniuk, A., and Hoppe, H. U., ?A flexible and extendable learning analytics infrastructure?, Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), vol. 8613 LNCS, pp. 123-132, 2014.

S.  Manske, Hecking, T., Bollen, L., Göhnert, T., Ramos, A., and H. Hoppe, U., ?A Flexible Framework for the Authoring of Reusable and Portable Learning Analytics Gadgets?, in 2014 IEEE 14th International Conference on Advanced Learning Technologies, 2014.

N.  Malzahn, Giemza, A., and Schloetmann, J., ?Fokussierungseffekte bei Multimedia-Guides?, Museum Aktuell, vol. 2014, no. 09, pp. 9-14, 2014.

N.  Krämer, Sträfling, N., Malzahn, N., Ganster, T., and Hoppe, H. U., Lernen im Web 2.0 - Erfahrungen aus Berufsbildung und Studium. Berichte zur beruflichen Bildung. Bielefeld: W. Bertelsmann Verlag, 2014.

S.  Manske, Márquez, J. O. ?lvarez, Giemza, A., and Hoppe, H. U., ?MuPeT: A framework for enabling multi-perspective problem elaboration?, Proceedings of the 22nd International Conference on Computers in Education, ICCE 2014, pp. 218-223, 2014.

E. J.  Hartnett, Malzahn, N., and Goldsmith, R., ?Sharing video making objects to create, reflect & learn. ?, in Workshop on Learning through Video Creation and Sharing at EC-TEL 2014., 2014.

E. J.  Hartnett, Malzahn, N., and Goldsmith, R., ?Video Performances Juxtaposing STEM with Creativity?, in Open Learning and Teaching in Educational Communities, vol. 8719, C.  Rensing, de Freitas, S., Ley, T., and Muñoz-Merino, P. J., Eds. Springer International Publishing, 2014, pp. 570-571.

A.  Giemza, Malzahn, N., and H. Hoppe, U., ?Mobilogue: Creating and Conducting Mobile Learning Scenarios in Informal Settings?, in The 21st International Conference on Computers in Education (ICCE 2013), Denpasar Bali, Indonesia, 2013.

A.  Giemza, Malzahn, N., and H. Hoppe, U., ?Museumsführungen mit Mobilogue ? einem Werkzeug zur Erstellung und Ausführung von mobilen Lernszenarien?, in DeLFI 2013, Bremen, 2013.

A.  Giemza, Manske, S., and Hoppe, H. U., ?Supporting the formation of informal learning groups in a heterogeneous information environment?, Proceedings of the 21st International Conference on Computers in Education, ICCE 2013, pp. 367-374, 2013.

S.  Govaerts, Cao, Y., Vozniuk, A., Holzer, A., Zutin, D. G., Ruiz, E. S. C., Bollen, L., Manske, S., Faltin, N., Salzmann, C., Tsourlidaki, E., and Gillet, D., ?Towards an online lab portal for inquiry-based STEM learning at school?, Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), vol. 8167 LNCS, pp. 244-253, 2013.

A.  Giemza, Verheyen, P., and Hoppe, H. U., ?Challenges in scaling mobile learning applications: the example of quizzer?, in Wireless, Mobile and Ubiquitous Technology in Education (WMUTE 2012) IEEE Seventh International Conference on, 2012, pp. 287?291.

S.  Zeini, Göhnert, T., Hoppe, H. U., and Krempel, L., ?The impact of measurement time on subgroup detection in online communities?, in Proceedings of the 2012 International Conference on Advances in Social Networks Analysis and Mining (ASONAM 2012), 2012, pp. 389?394.

N.  Malzahn, Giemza, A., and Hoppe, H. U., ?IT-Architekturen und Infrastrukturen?, in CSCL-Kompendium 2.0 - Lehr- und Handbuch zum computerunterstützten kooperativen Lernen, J.  Haake, Schwabe, G., and Wessner, M., Eds. 2012.

A.  Wichmann, Giemza, A., Hoppe, H. U., and Krauß, M., ?Effects of awareness support on moderating multiple parallel e-discussions?, in Proceedings of the 9th international conference on Computer supported collaborative learning - Volume 1, 2009.

T.  Göhnert, Malzahn, N., and Hoppe, H. U., ?A flexible multi-mode undo mechanism for a collaborative modeling environment?, in Groupware: Design, Implementation, and Use, Springer, 2009.

S.  Zeini, Malzahn, N., H. Hoppe, U., Hafkesbrink, J., Mill, U., Groh, G., Schauf, T., Westermaier, R., Pfeiffer, O., and Scholl, H., ?Ansätze zur softwareunterstützten Kompetenzentwicklung in innovationsgetriebenen Berufen?, in Proceedings of the German Conference on Virtuelle Organisationen und Medien, 2008, pp. 229?240.

L.  Bollen, Giemza, A., and Hoppe, H. U., ?Flexible analysis of user actions in heterogeneous distributed learning environments?, in Times of Convergence. Technologies Across Learning Contexts, Springer, 2008.

A.  Harrer, Ziebarth, S., Giemza, A., and Hoppe, H. U., ?A framework to support monitoring and moderation of e-discussions with heterogeneous discussion tools?, in  8th IEEE International Conference on Advanced Learning Technologies (ICALT'08), 2008, pp. 41?45.

K.  Shire and Gottschall, K., Understanding Employment Systems from a Gender Perspective-Pitfalls and Potentials of New Comparative Analytical Frameworks. 2007.

M.  Gerhards and Klingler, W., ?Web 2.0: Nutzung und Nutzertypen?, Mediaperspektiven, vol. 4, pp. 215?222, 2007.

A.  Geyer, Hafkesbrink, J., and Kinkel, S., ?Ex-post Evaluation des Forschungsprogramms" Forschung für die Produktion von morgen" für die Jahre 1999 bis 2004?, Wien: Technopolis, 2006.

K.  Shire and Walby, S., ?Gender and the Conceptualization of the Knowledge Economy in Comparison?, in Gendering the New Economy, H.  Gottfried, Gottschall, K., and Osawa, M., Eds. London: Palgrave Macmillan, 2006, pp. 80?125.