Martin Wolpers

Katja Niemann, Martin Wolpers, Giannis Stoitsis, Georgios Chinis, Nikos Manouselis: Aggregating social and usage datasets for learning analytics: data-oriented challenges. LAK 2013: 245-249

Katrien Verbert, Xavier Ochoa, Michael Derntl, Martin Wolpers, Abelardo Pardo, Erik Duval: Semi-automatic assembly of learning resources. Computers & Education 59(4): 1257-1272 (2012)

Katrien Verbert, Nikos Manouselis, Xavier Ochoa, Martin Wolpers, Hendrik Drachsler, Ivana Bosnic, Erik Duval: Context-Aware Recommender Systems for Learning: A Survey and Future Challenges. TLT 5(4): 318-335 (2012)

Maren Scheffel, Katja Niemann, Derick Leony, Abelardo Pardo, Hans-Christian Schmitz, Martin Wolpers, Carlos Delgado Kloos: Key Action Extraction for Learning Analytics. EC-TEL 2012: 320-333

Sarah Leon Rojas, Uwe Kirschenmann, Martin Wolpers: We Have No Feelings, We Have Emoticons ;-). ICALT 2012: 642-646

Katja Niemann, Hans-Christian Schmitz, Uwe Kirschenmann, Martin Wolpers, Anna Schmidt, Tim Krones: Clustering by usage: higher order co-occurrences of learning objects. LAK 2012: 238-247

Martin Friedrich, Martin Wolpers, Ruimin Shen, Carsten Ullrich, Ralf Klamma, Dominik Renzel, Anja Richert, Bodo von der Heiden: Early Results of Experiments with Responsive Open Learning Environments. J. UCS 17(3): 451-471 (2011)

Maren Scheffel, Katja Niemann, Abelardo Pardo, Derick Leony, Martin Friedrich, Kerstin Schmidt, Martin Wolpers, Carlos Delgado Kloos: Usage Pattern Recognition in Student Activities. EC-TEL 2011: 341-355

Marc-Andre Orthmann, Martin Friedrich, Uwe Kirschenmann, Katja Niemann, Maren Scheffel, Hans-Christian Schmitz, Martin Wolpers: Usage-based Clustering of Learning Objects for Recommendation. ICALT 2011: 553-557

Martin Wolpers, Martin Memmel, Katja Niemann, Joris Klerkx, Marcus Specht, Alberto Giretti, Erik Duval: Aggregating metadata to improve access to resources. IRI 2011: 187-192

Katrien Verbert, Hendrik Drachsler, Nikos Manouselis, Martin Wolpers, Riina Vuorikari, Erik Duval: Dataset-driven research for improving recommender systems for learning. LAK 2011: 44-53

Katja Niemann, Hans-Christian Schmitz, Maren Scheffel, Martin Wolpers: Usage contexts for object similarity: exploratory investigations. LAK 2011: 81-85

Kyung-Hun Ha, Katja Niemann, Uta Schwertel, Philipp Holtkamp, Henri Pirkkalainen, Dirk Börner, Marco Kalz, Vassilis Pitsilis, Ares Vidalis, Dimitra Pappa, Markus Bick, Jan M. Pawlowski, Martin Wolpers: A Novel Approach towards Skill-Based Search and Services of Open Educational Resources. MTSR 2011: 312-323

Kerstin Schmidt, Hans-Christian Schmitz, Martin Wolpers: Developing a Network of Cultural Heritage Objects Repositories for Educational Purposes. MTSR 2011: 337-348

Carlos Delgado Kloos, Denis Gillet, Raquel M. Crespo García, Fridolin Wild, Martin Wolpers (Eds.): Towards Ubiquitous Learning - 6th European Conference of Technology Enhanced Learning, EC-TEL 2011, Palermo, Italy, September 20-23, 2011. Proceedings. Lecture Notes in Computer Science 6964, Springer 2011, isbn 978-3-642-23984-7

Katja Niemann, Maren Scheffel, Martin Friedrich, Uwe Kirschenmann, Hans-Christian Schmitz, Martin Wolpers: Usage-based Object Similarity. J. UCS 16(16): 2272-2290 (2010)

Hendrik Drachsler, Toine Bogers, Riina Vuorikari, Katrien Verbert, Erik Duval, Nikos Manouselis, Günter Beham, Stefanie N. Lindstaedt, Hermann Stern, Martin Friedrich, Martin Wolpers: Issues and considerations regarding sharable data sets for recommender systems in technology enhanced learning. Procedia CS 1(2): 2849-2858 (2010)

Maren Scheffel, Frank Beer, Martin Wolpers: Analysing Contextualized Attention Metadata for Self-regulated Learning - A Supporting Framework for Self-Monitoring and Self-Reflection. CSEDU (1) 2010: 341-346

Uwe Kirschenmann, Maren Scheffel, Martin Friedrich, Katja Niemann, Martin Wolpers: Demands of Modern PLEs and the ROLE Approach. EC-TEL 2010: 167-182

Maren Scheffel, Martin Friedrich, Katja Niemann, Uwe Kirschenmann, Martin Wolpers: A Framework for the Domain-Independent Collection of Attention Metadata. EC-TEL 2010: 426-431

Martin Memmel, Martin Wolpers, Massimiliano Condotta, Katja Niemann, Rafael Schirru: Introducing a Social Backbone to Support Access to Digital Resources. EC-TEL 2010: 560-565

Pedro J. Muñoz Merino, Abelardo Pardo, Carlos Delgado Kloos, Mario Muñoz Organero, Martin Wolpers, Katja Niemann, Martin Friedrich: CAM in the semantic web world. I-SEMANTICS 2010

Pedro J. Muñoz Merino, Carlos Delgado Kloos, Martin Wolpers, Martin Friedrich, Mario Muñoz Organero: An Approach for the Personalization of Exercises Based on Contextualized Attention Metadata and Semantic Web technologies. ICALT 2010: 89-91

Maren Scheffel, Martin Wolpers, Frank Beer: Analyzing Contextualized Attention Metadata with Rough Set Methodologies to Support Self-regulated Learning. ICALT 2010: 125-129

Katja Niemann, Martin Wolpers: Enabling the Use of Real World Objects to Improve Learning. ICALT 2010: 259-263

Martin Wolpers, Paul A. Kirschner, Maren Scheffel, Stefanie N. Lindstaedt, Vania Dimitrova (Eds.): Sustaining TEL: From Innovation to Learning and Practice - 5th European Conference on Technology Enhanced Learning, EC-TEL 2010, Barcelona, Spain, September 28 - October 1, 2010. Proceedings. Lecture Notes in Computer Science 6383, Springer 2010, isbn 978-3-642-16019-6

Martin Wolpers, Martin Memmel, Alberto Giretti: Metadata in Architecture Education - First Evaluation Results of the MACE System. EC-TEL 2009: 112-126

Hans-Christian Schmitz, Maren Scheffel, Martin Friedrich, Marco Jahn, Katja Niemann, Martin Wolpers: CAMera for PLE. EC-TEL 2009: 507-520

Martin Wolpers, Hans-Christian Schmitz: Vorwort der Workshop-Leitung. GI Jahrestagung 2009: 176-177

Maren Scheffel, Martin Friedrich, Marco Jahn, Uwe Kirschenmann, Katja Niemann, Hans-Christian Schmitz, Martin Wolpers: Self-monitoring for Computer Users. GI Jahrestagung 2009: 1680-1687

Martin Wolpers, Katja Niemann, Christian Prause: Metadata Representation of Real-World Objects for Architectural Education. ICALT 2009: 465-467

Martin Memmel, Rafael Schirru, Martin Wolpers, Eleftheria Tomadaki: Towards the Combined Use of Metadata to Improve the Learning Experience. ICALT 2008: 930-932

Katja Niemann, Martin Wolpers: Modeling vocabularies in the architectural domain. ICDIM 2008: 314-319

Martin Wolpers, Jehad Najjar, Katrien Verbert, Erik Duval: Tracking Actual Usage: the Attention Metadata Approach. Educational Technology & Society 10(3): 106-121 (2007)

Christian Prause, Stefaan Ternier, Tim de Jong, Stefan Apelt, Marius Scholten, Martin Wolpers, Markus Eisenhauer, Bram Vandeputte, Marcus Specht, Erik Duval: Unifying Learning Object Repositories in MACE. LODE 2007

Moritz Stefaner, Elisa Dalla Vecchia, Massimiliano Condotta, Martin Wolpers, Marcus Specht, Stefan Apelt, Erik Duval: MACE - Enriching Architectural Learning Objects for Experience Multiplication. EC-TEL 2007: 322-336

Martin Wolpers, Ralf Klamma, Erik Duval (Eds.): Proceedings of the EC-TEL 2007 Poster Session, Crete, Greece, September 17-20, 2007. CEUR Workshop Proceedings 280, CEUR-WS.org 2007

Erik Duval, Ralf Klamma, Martin Wolpers (Eds.): Creating New Learning Experiences on a Global Scale, Second European Conference on Technology Enhanced Learning, EC-TEL 2007, Crete, Greece, September 17-20, 2007, Proceedings. Lecture Notes in Computer Science 4753, Springer 2007, isbn 978-3-540-75194-6

Erik Duval, Jehad Najjar, Martin Wolpers (Eds.): Proceedings of the International ACM/IEEE Workshop on Contextualized Attention Metadata: Personalized Access to Digital Resources CAMA 2007, Vancouver, Canada, June 23, 2007. CEUR Workshop Proceedings 266, CEUR-WS.org 2007

Martin Memmel, Eric Ras, Stephan Weibelzahl, Daniel Burgos, Daniel Olmedilla, Martin Wolpers: Joint International Workshop on Professional Learning, Competence Development and Knowledge Management LOKMOL and L3NCD (Preface). EC-TEL Workshops 2006

Martin Wolpers, Margit Hofer, Gunnar Martin: Professional Learning in Europe and Beyond Structures for Sustainable TEL-Research. EC-TEL 2006: 715-718

Jehad Najjar, Erik Duval, Martin Wolpers: Towards Effective Usage-Based Learning Applications: Track and Learn from User Experience(s). ICALT 2006: 1022-1024

Martin Wolpers, Guido Grohmann: PROLEARN: technology-enhanced learning and knowledge distribution for the corporate world. IJKL 1(1/2): 44-61 (2005)

Wolfgang Nejdl, Martin Wolpers, Wolf Siberski, Christoph Schmitz, Mario T. Schlosser, Ingo Brunkhorst, Alexander Löser: Super-peer-based routing strategies for RDF-based peer-to-peer networks. J. Web Sem. 1(2): 177-186 (2004)

Alexander Löser, Wolf Siberski, Martin Wolpers, Wolfgang Nejdl: Information Integration in Schema-Based Peer-To-Peer Networks. CAiSE 2003: 258-272

Martin Wolpers: Towards P2P-based information systems for E-learning using semantic web technologies (Keynote Address). CAiSE Workshops 2003

Wolfgang Nejdl, Martin Wolpers, Wolf Siberski, Christoph Schmitz, Mario T. Schlosser, Ingo Brunkhorst, Alexander Löser: Super-peer-based routing and clustering strategies for RDF-based peer-to-peer networks. WWW 2003: 536-543

Martin Wolpers, Ingo Brunkhorst, Wolfgang Nejdl: An O-Telos Provider Peer for the RDF-Based Edutella P2P-Network. AP2PC 2002: 150-157

Hadhami Dhraief, Wolfgang Nejdl, Boris Wolf, Martin Wolpers: Open Learning Repositories and Metadata Modeling. SWWS 2001: 495-514

Nicola Henze, Kabil Naceur, Wolfgang Nejdl, Martin Wolpers: Adaptive Hyperbooks for Constructivist Teaching. KI 13(4): 26-31 (1999)

Nicola Henze, Wolfgang Nejdl, Martin Wolpers: Modeling constructivist teaching functionality and structure in the KBS Hyperbook System. CSCL 1999: 28