Positioning of learners in learning networks with content, metadata and ontologies. - Marco Kalz; Jan van Bruggen; Ellen Rusman; Bas Giesbers; Rob Koper (Interact. Learn. Environ., 2007)

Wayfinding Services for Open Educational Practices. - Marco Kalz; Hendrik Drachsler; Jan van Bruggen; Hans G. K. Hummel; Rob Koper (Int. J. Emerg. Technol. Learn., 2008)

Placement Services for Learning Networks. - Jan van Bruggen; Marco Kalz; Desirée Joosten-ten Brinke (Learning Network Services for Professional Development, 2009)

A Validation Scenario for a Placement Service in Learning Networks. - Marco Kalz; Jan van Bruggen; Bas Giesbers; Ellen Rusman; Jannes Eshuis; Wim Waterink (Learning Network Services for Professional Development, 2009)

Tools and Techniques for Placement Experiments. - Wim van der Vegt; Marco Kalz; Bas Giesbers; Fridolin Wild; Jan van Bruggen (Learning Network Services for Professional Development, 2009)

SWeMoF: A Semantic Framework to Discover Patterns in Learning Networks. - Marco Kalz; Niels Beekman; Anton Karsten; Diederik Oudshoorn; Peter van Rosmalen; Jan van Bruggen; Rob Koper (EC-TEL, 2009)

The MUPPLE Competence Continuum. - Joanna Wild; Fridolin Wild; Marco Kalz; Marcus Specht; Margit Hofer (MUPPLE@EC-TEL, 2009)

Using Language Technologies to Diagnose Learner's Conceptual Development. - Adriana J. Berlanga; Marco Kalz; Slavi Stoyanov; Peter van Rosmalen; Alisdair Smithies; Isobel Braidman (ICALT, 2009)

Technology Support for Self-Organized Learners (Guest Editorial). - Marco Kalz; Rob Koper; Veronika Hornung-Prähauser (J. Educ. Technol. Soc., 2009)

Ambient Displays and Game Design Patterns. - Sebastian Kelle; Dirk Börner; Marco Kalz; Marcus Specht (EC-TEL, 2010)

Skill-Based Scouting of Open Management Content. - Katja Niemann; Uta Schwertel; Marco Kalz; Alexander Mikroyannidis; Marco Fisichella; Martin Friedrich; Michele Dicerto; Kyung-Hun Ha; Philipp Holtkamp; Ricardo Kawase (EC-TEL, 2010)

A Conceptual Framework for Ambient Learning Displays. - Dirk Börner; Marco Kalz; Marcus Specht (ICCE, 2010)

Supporting the Reuse of Open Educational Resources through Open Standards. - Christian Glahn; Marco Kalz; Marion R. Gruber; Marcus Specht (ICCE, 2010)

Ambient Displays and Game Design Patterns for Social Learning. - Sebastian Kelle; Dirk Börner; Marco Kalz; Marcus Specht; Christian Glahn (ICCE, 2010)

Open educational resources: Conversations in cyberspace - Edited by Susan D'Antoni & Catriona Savage. - Roland Klemke; Marco Kalz; Marcus Specht; Stefaan Ternier (Br. J. Educ. Technol., 2010)

Implementing infrastructures for managing learning objects. - Roland Klemke; Stefaan Ternier; Marco Kalz; Marcus Specht (Br. J. Educ. Technol., 2010)

A Novel Approach towards Skill-Based Search and Services of Open Educational Resources. - 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; et al. (MTSR, 2011)

Language Technologies to Support Formative Feedback. - Adriana J. Berlanga; Marco Kalz; Slavi Stoyanov; Peter van Rosmalen; Alisdair Smithies; Isobel Braidman (J. Educ. Technol. Soc., 2011)

Energy Awareness Displays - Prototype for Personalised Energy Consumption Feedback. - Dirk Börner; Jeroen Storm; Marco Kalz; Marcus Specht (EC-TEL, 2012)

Ambient Learning Displays: Lecture Series and Results from a Participatory Design Study. - Dirk Börner; Marco Kalz; Marcus Specht (mLearn, 2012)

Impact of tablet computers and eBooks on Learning Practices of Law Students. - Marco Kalz; Marcus Specht; Michiel van Oosterzee (mLearn, 2012)

The CLAS App - A Mobile Solution to Improve Handover Procedures between Hospital Interface and General Practitioner. - Bridget Maher; Hendrik Drachsler; Marco Kalz; Marcus Specht (mLearn, 2012)

Energy Awareness Displays: Designing a Prototype for Personalised Energy Consumption Feedback at the Workplace. - Dirk Börner; Marco Kalz; Marcus Specht (WMUTE, 2012)

Energy awareness displays: motivating conservation at the workplace through feedback. - Dirk Börner; Jeroen Storm; Marco Kalz; Marcus Specht (Int. J. Mob. Learn. Organisation, 2012)

ARLearn: Augmented Reality Meets Augmented Virtuality. - Stefaan Ternier; Roland Klemke; Marco Kalz; Patricia van Ulzen; Marcus Specht (J. Univers. Comput. Sci., 2012)

Pervasive Interventions to Increase Pro-environmental Awareness, Consciousness, and Learning at the Workplace. - Dirk Börner; Marco Kalz; Stefaan Ternier; Marcus Specht (EC-TEL, 2013)

ARLearn - Open Source Mobile Application Platform for Learning. - Dirk Börner; Stefaan Ternier; Roland Klemke; Birgit Schmitz; Marco Kalz; Bernardo Tabuenca; Marcus Specht (EC-TEL, 2013)

What Happened to the Crossdisciplinarity of Technology-Enhanced Learning in 2004? - Marco Kalz (EC-TEL, 2013)

Designing a Mobile Learning Game to Investigate the Impact of Role-Playing on Helping Behaviour. - Birgit Schmitz; Stefaan Ternier; Marco Kalz; Roland Klemke; Marcus Specht (EC-TEL, 2013)

Design of a Game-Based Pre-hospital Resuscitation Training for First Responders. - Marco Kalz; Birgit Schmitz; Henning Biermann; Roland Klemke; Stefaan Ternier; Marcus Specht (SouthCHI, 2013)

Beyond the channel: A literature review on ambient displays for learning. - Dirk Börner; Marco Kalz; Marcus Specht (Comput. Educ., 2013)

Closer to You: Reviewing the Application, Design, and Evaluation of Ambient Displays. - Dirk Börner; Marco Kalz; Marcus Specht (Int. J. Ambient Comput. Intell., 2013)

Use of Mobile Applications for Hospital Discharge Letters: Improving Handover at Point of Practice. - Bridget Maher; Hendrik Drachsler; Marco Kalz; Cathal Hoare; Humphrey Sorensen; Leonardo Lezcano; Pat Henn; Marcus Specht (Int. J. Mob. Blended Learn., 2013)

EMuRgency: Addressing cardiac arrest with socio-technical innovation in a smart learning region. - Marco Kalz; Joris Klerkx; Gonzalo Parra; Jesko Elsner; Max Haberstroh; Stefaan Ternier; Daniel Schilberg; Sabina Jeschke; Erik Duval; Marcus Specht (IxD&A, 2013)

Creating and understanding mobile game simulations for school children. - Birgit Schmitz; Dirk Börner; Marco Kalz; Roland Klemke; Marcus Specht (BIIML, 2014)

Mobile Inquiry-Based Learning with Sensor-Data in the School: Effects on Student Motivation. - Olga Firssova; Marco Kalz; Dirk Börner; Fleur Prinsen; Ellen Rusman; Stefaan Ternier; Marcus Specht (EC-TEL, 2014)

Immersive Multi-user Decision Training Games with ARLearn. - Roland Klemke; Stefaan Ternier; Marco Kalz; Birgit Schmitz; Marcus Specht (EC-TEL, 2014)

GPIM: Google Glassware for Inquiry-Based Learning. - Angel Suarez; Stefaan Ternier; Marco Kalz; Marcus Specht (EC-TEL, 2014)

Lifelong Learning Hub: A Seamless Tracking Tool for Mobile Learning. - Bernardo Tabuenca; Marco Kalz; Marcus Specht (EC-TEL, 2014)

"Tap it again, Sam": Harmonizing the frontiers between digital and real worlds in education. - Bernardo Tabuenca; Marco Kalz; Marcus Specht (FIE, 2014)

Mobile inquiry-based learning for sustainability education in secondary schools. - Marco Kalz; Olga Firssova; Dirk Börner; Stefaan Ternier; Fleur Prinsen; Ellen Rusman; Hendrik Drachsler; Marcus Specht (ICALT, 2014)

M-Workplace Learning @ ITC-ILO - Design Thinking for Mobile Learning Interventions at Work. - Alessia Messuti; Tom Wambeke; Marco Kalz; Barbara Bruschi (mLearn, 2014)

In the Eye of the Beholder: Promoting Learner-Centric Design to Develop Mobile Games for Learning. - Birgit Schmitz; Marco Kalz; Roland Klemke; Marcus Specht (mLearn, 2014)

Where Is My Time? Identifying Productive Time of Lifelong Learners for Effective Feedback Services. - Bernardo Tabuenca; Marco Kalz; Dirk Börner; Stefaan Ternier; Marcus Specht (CAA, 2014)

Assessing the crossdisciplinarity of technology-enhanced learning with science overlay maps and diversity measures. - Marco Kalz; Marcus Specht (Br. J. Educ. Technol., 2014)

Lead me gently: Facilitating knowledge gain through attention-aware ambient learning displays. - Dirk Börner; Marco Kalz; Marcus Specht (Comput. Educ., 2014)

A Study about Placement Support Using Semantic Similarity. - Marco Kalz; Jan van Bruggen; Bas Giesbers; Wim Waterink; Jannes Eshuis; Rob Koper (J. Educ. Technol. Soc., 2014)

User-Modelled Ambient Feedback for Self-regulated Learning. - Bernardo Tabuenca; Dirk Börner; Marco Kalz; Marcus Specht (EC-TEL, 2015)

They want to tell us: Attention-aware Design and Evaluation of Ambient Displays for Learning. - Dirk Börner; Marco Kalz; Marcus Specht (PerDis, 2015)

Time will tell: The role of mobile learning analytics in self-regulated learning. - Bernardo Tabuenca; Marco Kalz; Hendrik Drachsler; Marcus Specht (Comput. Educ., 2015)

Tap it again, Sam: Harmonizing Personal Environments towards Lifelong Learning. - Bernardo Tabuenca; Marco Kalz; Marcus Specht (Int. J. Adv. Corp. Learn., 2015)

Stop and Think: Exploring Mobile Notifications to Foster Reflective Practice on Meta-Learning. - Bernardo Tabuenca; Marco Kalz; Stefaan Ternier; Marcus Specht (IEEE Trans. Learn. Technol., 2015)

Mindergie: A Pervasive Learning Game for Pro-environmental Behaviour at the Workplace. - Marco Kalz; Dirk Börner; Stefaan Ternier; Marcus Specht (Seamless Learning in the Age of Mobile Connectivity, 2016)

A Value Model for MOOCs. - Yishay Mor; Marco Kalz; Jonatan Castaño-Muñoz (EC-TEL, 2016)

Designing for Open Learning: Design Principles and Scalability Affordances in Practice. - Olga Firssova; Francis Brouns; Marco Kalz (L@S, 2016)

The MOOC and learning analytics innovation cycle (MOLAC): a reflective summary of ongoing research and its challenges. - Hendrik Drachsler; Marco Kalz (J. Comput. Assist. Learn., 2016)

Mobile authoring of open educational resources for authentic learning scenarios. - Bernardo Tabuenca; Marco Kalz; Stefaan Ternier; Marcus Specht (Univers. Access Inf. Soc., 2016)

Towards 'MOOCs with a Purpose': Crowdsourcing and Analysing Scalable Design Solutions with MOOC Learners. - Peter van Rosmalen; Julia Kasch; Marco Kalz; Olga Firssova; Francis Brouns (EC-TEL, 2017)

To Change or Not to Change? That's the Question... On MOOC-Success, Barriers and Their Implications. - Maartje Henderikx; Karel Kreijns; Marco Kalz (EMOOCs, 2017)

Implementation Intentions and How They Influence Goal Achievement in MOOCs. - Karel Kreijns; Marco Kalz; Jonatan Castaño-Muñoz; Yves Punie (EMOOCs, 2017)

Student Perception of Scalable Peer-Feedback Design in Massive Open Online Courses. - Julia Kasch; Peter van Rosmalen; Ansje Löhr; Ad Ragas; Marco Kalz (TEA, 2017)

Does digital competence and occupational setting influence MOOC participation? Evidence from a cross-course survey. - Jonatan Castaño-Muñoz; Karel Kreijns; Marco Kalz; Yves Punie (J. Comput. High. Educ., 2017)

Validation of the self-regulated online learning questionnaire. - Renée S. Jansen; Anouschka van Leeuwen; Jeroen Janssen; Liesbeth Kester; Marco Kalz (J. Comput. High. Educ., 2017)

Editorial for the special issue on advancing research on open education. - Marco Kalz; Mohammad Khalil; Martin Ebner (J. Comput. High. Educ., 2017)

A Framework towards Educational Scalability of Open Online Courses. - Julia Kasch; Peter van Rosmalen; Marco Kalz (J. Univers. Comput. Sci., 2017)

Digitalisierungswahnsinn oder Nebeneffekte des Mainstreaming. - Marco Kalz (DeLFI, 2018)

A Classification of Barriers that Influence Intention Achievement in MOOCs. - Maartje Henderikx; Karel Kreijns; Marco Kalz (EC-TEL, 2018)

Creating engaging experiences in MOOCs through in-course redeemable rewards. - Alejandro Ortega-Arranz; Marco Kalz; Alejandra Martínez-Monés (EDUCON, 2018)

Intention-Behavior Dynamics in MOOC Learning; What Happens to Good Intentions Along the Way? - Maartje Henderikx; Karel Kreijns; Marco Kalz (LWMOOCS, 2018)

A review of the types of mobile activities in mobile inquiry-based learning. - Ángel Suárez; Marcus Specht; Fleur Prinsen; Marco Kalz; Stefaan Ternier (Comput. Educ., 2018)

Eliciting the challenges and opportunities organizations face when delivering open online education: A group-concept mapping study. - Martine Schophuizen; Karel Kreijns; Slavi Stoyanov; Marco Kalz (Internet High. Educ., 2018)

MoocCast: evaluating mobile-screencast for online courses. - Bernardo Tabuenca; Marco Kalz; Ansje Löhr (Univers. Access Inf. Soc., 2018)

Identifying Critical Features for Formative Essay Feedback with Artificial Neural Networks and Backward Elimination. - Mohsin Abbas; Peter van Rosmalen; Marco Kalz (EC-TEL, 2019)

Enjoyed or Bored? A Study into Achievement Emotions and the Association with Barriers to Learning in MOOCs. - Maartje Henderikx; Ansje Löhr; Marco Kalz (EC-TEL, 2019)

The Influence of Self-regulation, Self-efficacy and Motivation as Predictors of Barriers to Satisfaction in MOOCs. - Eyal Rabin; Maartje Henderikx; Yoram M. Kalman; Marco Kalz (EC-TEL, 2019)

Identifying Learning Activity Sequences that Are Associated with High Intention-Fulfillment in MOOCs. - Eyal Rabin; Vered Silber-Varod; Yoram M. Kalman; Marco Kalz (EC-TEL, 2019)

Goal Setting and Striving in MOOCs: A Peek Inside the Black Box of Learner Behaviour. - Maartje Henderikx; Marco Kalz (EMOOCs, 2019)

Educational scalability in MOOCs: Analysing instructional designs to find best practices. - Julia Kasch; Peter van Rosmalen; Marco Kalz (Comput. Educ., 2021)

Does project focus influence challenges and opportunities of open online education? A sub-group analysis of group-concept mapping data. - Martine Schophuizen; Karel Kreijns; Slavi Stoyanov; Scott Rosas; Marco Kalz (J. Comput. High. Educ., 2021)

Effects of an Ambient Learning Display on Noise Levels and Perceived Learning in a Secondary School. - Bernardo Tabuenca; Dirk Börner; Marco Kalz (IEEE Trans. Learn. Technol., 2021)

GamiTool: Supporting Instructors in the Gamification of MOOCs. - Alejandro Ortega-Arranz; Juan I. Asensio-Pérez; Alejandra Martínez-Monés; Miguel L. Bote-Lorenzo; Hector Ortega-Arranz; Marco Kalz (IEEE Access, 2022)

A Data-Driven Approach for the Identification of Features for Automated Feedback on Academic Essays. - Mohsin Abbas; Peter van Rosmalen; Marco Kalz (IEEE Trans. Learn. Technol., 2023)