PRO-ART: Erfassung und Verwaltung von Anforderungshistorien. - Klaus Pohl; Ralf Dömges; Peter Haumer; Ralf Klamma; Klaus Weidenhaupt 002 (EMISA Forum, 1996)

Industrielles Fehlermanagement mit objektorientierten Technologien. - Tilo Pfeifer; Robert Grob; Pavlos Klonaris; Günter Warnecke; Helmut Förster; Philipp Schülke; Matthias Jarke; Ralf Klamma; Peter Peters 001 (GI Jahrestagung, 1997)

Driving the organizational learning cycle: the case of computer-aided failure management. - Ralf Klamma; Matthias Jarke (ECIS, 1998)

Workflow Support for Failure Management in Federated Organizations. - Ralf Klamma; Peter Peters 001; Matthias Jarke (HICSS (4), 1998)

PRIME - Toward process-integrated modeling environments: 1. - Klaus Pohl; Klaus Weidenhaupt 002; Ralf Dömges; Peter Haumer; Matthias Jarke; Ralf Klamma (ACM Trans. Softw. Eng. Methodol., 1999)

Rapid Knowledge Deployment in an Organizational-Memory-Based Workflow Environment. - Ralf Klamma; Sylvia Schlaphof (ECIS, 2000)

Vernetztes Verbesserungsmanagement. - Ralf Klamma; Peter Peters 001; Matthias Jarke (Wirtschaftsinf., 2000)

Vernetztes Verbesserungsmanagement mit einem Unter-nehmensgedächtnis-Repository. - Ralf Klamma (Künstliche Intell., 2001)

Metadata and Cooperative Knowledge Management. - Matthias Jarke; Ralf Klamma (CAiSE, 2002)

Bootstrapping im Wissensmanagement - Organisations-gedächtnisbasierte Workflow-Systeme. - Ralf Klamma (GI Jahrestagung, 2002)

Das Virtual Entrepreneurship Lab (VEL): Eine MPEG - 7 basierte E-Learning Plattform für potentielle Gründer. - Ralf Klamma; Matthias Jarke; Volker Wulf (GI Jahrestagung, 2002)

Enabling Communities by Constructed Media: The Case of a Web-Based Study Environment for a Talmudic Tractate. - Ralf Klamma; Matthias Jarke; Elisabeth Hollender; Dagmar Börner-Klein (ICWL, 2002)

Data Integration for Multimedia E-learning Environments with XML and MPEG-7. - Marc Spaniol; Ralf Klamma; Matthias Jarke (PAKM, 2002)

Virtual Communities: Analysis and Design Support. - Ralf Klamma; Marc Spaniol; Matthias Jarke (CAiSE Short Paper Proceedings, 2003)

New Approaches to Media-Supported Project Work at the University Level. - Ralf Klamma; Matthias Jarke; Markus Rohde; Volker Wulf (ICALT, 2003)

ATLAS: A Web-Based Software Architecture for Multimedia E-learning Environements in Virtual Communities. - Marc Spaniol; Ralf Klamma; Matthias Jarke (ICWL, 2003)

Digital Media Knowledge Management with MPEG-7. - Ralf Klamma; Marc Spaniol; Matthias Jarke (WWW (Posters), 2003)

Praxisgemeinschaft als didaktische Konzeption: Neue Ansätze medienunterstützter Projektarbeit in der angewandten Informatik. - Markus Rohde; Matthias Jarke; Ralf Klamma; Volker Wulf (i-com, 2003)

Open Hypermedia Management for E-learning in the Humanities. - Ralf Klamma; Marc Spaniol (ICALT, 2004)

SOCRATES: Barrier Free Communities of Aphasics on the Internet. - Marc Spaniol; Luise Springer; Ralf Klamma; Matthias Jarke (ICCHP, 2004)

Aphasics' Communities Learning on the Web. - Marc Spaniol; Ralf Klamma; Luise Springer; Matthias Jarke (ICWL, 2004)

Mediating Ontologies for Communities of Practice. - Marc Spaniol; Ralf Klamma (PAKM, 2004)

Establishing communities of practice among students and start-up companies. - Markus Rohde; Ralf Klamma; Volker Wulf (CSCL, 2005)

LM-DTM: An Environment for XML-Based, LIP/PAPI-Compliant Deployment, Transformation and Matching of Learner Models. - Mohamed Amine Chatti; Ralf Klamma; Christoph Quix; David Kensche (ICALT, 2005)

ACIS: Intergenerational Community Learning Supported by a Hypermedia Afghan Sites and Monuments Database. - Ralf Klamma; Marc Spaniol; Matthias Jarke; Yiwei Cao; Michael Jansen; Georgios Toubekis (ICALT, 2005)

"Do You Know a Similar Project I Can Learn From?" Self-Monitoring of Communities of Practice in the Cultural Sciences. - Ralf Klamma; Marc Spaniol; Matthias Jarke (ICITA (2), 2005)

MECCA-Learn: A Community Based Collaborative Course Management System for Media-Rich Curricula in the Film Studies. - Marc Spaniol; Ralf Klamma; Thomas Waitz (ICWL, 2005)

MECCA: Hypermedia Capturing of Collaborative Scientific Discourses about Movies. - Ralf Klamma; Marc Spaniol; Matthias Jarke (Informing Sci. Int. J. an Emerg. Transdiscipl., 2005)

Community Aware Content Adaptation for Mobile Technology Enhanced Learning. - Ralf Klamma; Marc Spaniol; Yiwei Cao (EC-TEL, 2006)

Pattern-Based Cross Media Social Network Analysis for Technology Enhanced Learning in Europe. - Ralf Klamma; Marc Spaniol; Yiwei Cao; Matthias Jarke (EC-TEL, 2006)

u-Annotate: An Application for User-Driven Freeform Digital Ink Annotation of E-Learning Content. - Mohamed Amine Chatti; Tim Sodhi; Marcus Specht; Ralf Klamma; Roland Klemke (ICALT, 2006)

Social Software for Professional Learning: Examples and Research Issues. - Ralf Klamma; Mohamed Amine Chatti; Erik Duval; Sebastian Fiedler; Hans G. K. Hummel; Ebba Thora Hvannberg; Andreas Kaibel; Barbara Kieslinger; Milos Kravcik; Effie Lai-Chong Law; Ambjörn Naeve; Peter Scott; et al. (ICALT, 2006)

Reflective Community Information Systems. - Matthias Jarke; Ralf Klamma (ICEIS (Selected Papers), 2006)

Web-Based Learning with Non-linear Multimedia Stories. - Marc Spaniol; Ralf Klamma; Nalin K. Sharda; Matthias Jarke (ICWL, 2006)

Mobile Social Software for Cultural Heritage Management. - Yiwei Cao; Satish Narayana Srirama; Mohamed Amine Chatti; Ralf Klamma (OTM Workshops (1), 2006)

Technology Enhanced Professional Learning - Process, Challenges and Requirements. - Mohamed Amine Chatti; Ralf Klamma; Matthias Jarke; Vana Kamtsiou; Dimitra Pappa; Milos Kravcik; Ambjörn Naeve (WEBIST (2), 2006)

Aphasic Communities of Learning on the Web. - Marc Spaniol; Ralf Klamma; Luise Springer; Matthias Jarke (Int. J. Distance Educ. Technol., 2006)

Evaluating Performance in Spatial Data Infrastructures for Geoprocessing. - Marius Scholten; Ralf Klamma; Christian Kiehle (IEEE Internet Comput., 2006)

Foreword. - Katherine Maillet; Tomaz Klobucar; Denis Gillet; Ralf Klamma (EC-TEL PROLEARN, 2007)

A Media Theoretical Approach to Technology Enhanced Learning in Non-technical Disciplines. - Marc Spaniol; Yiwei Cao; Ralf Klamma (EC-TEL, 2007)

The Web 2.0 Driven SECI Model Based Learning Process. - Mohamed Amine Chatti; Ralf Klamma; Matthias Jarke; Ambjörn Naeve (ICALT, 2007)

Learning as a Service: A Web-Based Learning Framework for Communities of Professionals on the Web 2.0. - Marc Spaniol; Ralf Klamma; Yiwei Cao (ICWL, 2007)

Watching the Blogosphere: Knowledge Sharing in the Web 2.0. - Ralf Klamma; Yiwei Cao; Marc Spaniol (ICWSM, 2007)

The Mobile Interfaces for Geo-hypermedia Databases. - Yiwei Cao; Ralf Klamma; Satish Narayana Srirama; Kaifei Wang (OTM Workshops (1), 2007)

A Toolkit to Support Dynamic Social Network Visualization. - Yiwei Cao; Ralf Klamma; Marc Spaniol; Yan Leng (VISUAL, 2007)

Reality is our laboratory: communities of practice in applied computer science. - Markus Rohde; Ralf Klamma; Matthias Jarke; Volker Wulf (Behav. Inf. Technol., 2007)

Social Software for Life-long Learning. - Ralf Klamma; Mohamed Amine Chatti; Erik Duval; Hans G. K. Hummel; Ebba Thora Hvannberg; Milos Kravcik; Effie Law; Ambjörn Naeve; Peter Scott (J. Educ. Technol. Soc., 2007)

Preface. - Ralf Klamma; Denis Gillet; Tomaz Klobucar; Katherine Maillet (EC-TEL PROLEAN, 2008)

No Guru, No Method, No Teacher: Self-classification and Self-modelling of E-Learning Communities. - Zinayida Petrushyna; Ralf Klamma (EC-TEL, 2008)

Community-Aware Adaptive Systems. - Anna Glukhova; Ralf Klamma; Matthias Jarke (GI Jahrestagung (2), 2008)

The Troll Under the Bridge: Data Management for HugeWeb Science Mediabases. - Ralf Klamma; Zinayida Petrushyna (GI Jahrestagung (2), 2008)

From Story-Telling to Educational Gaming: The Bamiyan Valley Case. - Marc Spaniol; Yiwei Cao; Ralf Klamma; Pablo Moreno-Ger; Baltasar Fernández-Manjón; José Luis Sierra; Georgios Toubekis (ICWL, 2008)

Continuous, Requirements-Driven Support for Organizations, Networks, and Communities. - Matthias Jarke; Ralf Klamma; Gerhard Lakemeyer; Dominik Schmitz (iStar, 2008)

Follow Me, Follow You - Spatiotemporal Community Context Modeling and Adaptation for Mobile Information Systems. - Yiwei Cao; Ralf Klamma; Min Hou; Matthias Jarke (MDM, 2008)

MobSOS - A Testbed for Mobile Multimedia Community Services. - Dominik Renzel; Ralf Klamma; Marc Spaniol (WIAMIS, 2008)

Transkriptivität: Operative Medientheorien als Grundlage von Informationssystemen für die Kulturwissenschaften. - Ludwig Jäger; Matthias Jarke; Ralf Klamma; Marc Spaniol (Inform. Spektrum, 2008)

Imagesemantics: User-Generated Metadata, Content Based Retrieval & Beyond. - Marc Spaniol; Ralf Klamma; Mathias Lux (J. Univers. Comput. Sci., 2008)

Guest Editorial: Special Issue on EC-TEL 2007. - Erik Duval; Ralf Klamma (IEEE Trans. Learn. Technol., 2008)

Multimedia Metadata Standards. - Werner Bailer; Lionel Brunie; Mario Döller; Michael Granitzer; Ralf Klamma; Harald Kosch; Mathias Lux; Marc Spaniol (Encyclopedia of Multimedia, 2008)

Storytelling on the Web 2.0 as a New Means of Creating Arts. - Ralf Klamma; Yiwei Cao; Matthias Jarke (Handbook of Multimedia for Digital Entertainment and Arts, 2009)

You Never Walk Alone: Recommending Academic Events Based on Social Network Analysis. - Ralf Klamma; Manh Cuong Pham; Yiwei Cao (Complex (1), 2009)

Social Network Analysis of 45, 000 Schools: A Case Study of Technology Enhanced Learning in Europe. - Ruth Breuer; Ralf Klamma; Yiwei Cao; Riina Vuorikari (EC-TEL, 2009)

A Web 2.0 Personal Learning Environment for Classical Chinese Poetry. - Yiwei Cao; Ralf Klamma; Yan Gao; Rynson W. H. Lau; Matthias Jarke (ICWL, 2009)

Virtual Campfire - Cross-Platform Services for Mobile Social Software. - Yiwei Cao; Xi Chen 034; Niels Drobek; Andreas Hahne; Anna Hannemann; Christian Hocken; Michael Jansen; Holger Janssen; Matthias Jarke; Ralf Klamma; Dejan Kovachev; Zinayida Petrushyna; et al. (Mobile Data Management, 2009)

Mobile Access to MPEG-7 Based Multimedia Services. - Yiwei Cao; Matthias Jarke; Ralf Klamma; Oscar Mendoza; Satish Narayana Srirama (Mobile Data Management, 2009)

Knowledge multimedia processes in technology enhanced learning. - Ralf Klamma; Marc Spaniol; Matthias Jarke (MTDL@MM, 2009)

Social Aspects in Software Engineering. - Anna Hannemann; Hans-Jörg Happel; Matthias Jarke; Ralf Klamma; Steffen Lohmann; Walid Maalej; Volker Wulf (Software Engineering (Workshops), 2009)

Community Driven Elicitation of Requirements with Entertaining Social Software. - Anna Hannemann; Christian Hocken; Ralf Klamma (Software Engineering (Workshops), 2009)

Software Engineering within Social Software Environments (SENSE 2009). - Ralf Klamma; Volker Wulf; Matthias Jarke; Anna Glukhova (Software Engineering, 2009)

Semantic Monitoring and Analyzing Context-aware Collaborative Multimedia Services. - Dominik Renzel; Ralf Klamma (ICSC, 2009)

A Community Success Model for Gaming Communities. - Yiwei Cao; Anna Glukhova; Ralf Klamma; Dominik Renzel (J. Multim., 2009)

The Structure of the Computer Science Knowledge Network. - Manh Cuong Pham; Ralf Klamma (ASONAM, 2010)

Requirements Engineering in Complex Domains. - Matthias Jarke; Ralf Klamma; Klaus Pohl; Ernst Sikora (Graph Transformations and Model-Driven Engineering, 2010)

Enhancing Personal Learning Environments by Context-Aware Tagging. - Yiwei Cao; Dejan Kovachev; Ralf Klamma; Rynson W. H. Lau (ICWL, 2010)

Pattern-Based Competence Management: On the Gap between Intentions and Reality. - Ralf Klamma; Zinayida Petrushyna (PRO-VE, 2010)

Mobile Multimedia Management for Community-Aware Storytelling. - Yiwei Cao; Anna Hannemann; Ralf Klamma; Dejan Kovachev; Dominik Renzel (Mobile Data Management, 2010)

Mobile Community Cloud Computing: Emerges and Evolves. - Dejan Kovachev; Dominik Renzel; Ralf Klamma; Yiwei Cao (Mobile Data Management, 2010)

Augmenting Pervasive Environments with an XMPP-Based Mobile Cloud Middleware. - Dejan Kovachev; Yiwei Cao; Ralf Klamma (MobiCASE, 2010)

Well-Balanced Usability & Annotation Complexity in Interactive Video Semantization. - Yiwei Cao; Dominik Renzel; Matthias Jarke; Ralf Klamma; M. Lottko; Georgios Toubekis; Michael Jansen (MUE, 2010)

Mobile multimedia management for Virtual Campfire - the German excellence research cluster UMIC. - Yiwei Cao; Ralf Klamma; Matthias Jarke (Comput. Syst. Sci. Eng., 2010)

Werkzeuge und Modelle für die übergreifende Untersuchung von Social Software (Tools and Models for Comprehensive Social Software Research). - Ralf Klamma (i-com, 2010)

Liebe Leserinnen und Leser. - Ralf Klamma; Clemens H. Cap (i-com, 2010)

Mashups for Learning - Editorial. - Martin Ebner; Ralf Klamma; Sandra Schaffert (Int. J. Emerg. Technol. Learn., 2010)

On Psychological Aspects of Learning Environments Design. - Milos Kravcik; Ralf Klamma (EC-TEL, 2011)

Learning Analytics at Large: The Lifelong Learning Network of 160, 000 European Teachers. - Ergang Song; Zinayida Petrushyna; Yiwei Cao; Ralf Klamma (EC-TEL, 2011)

How Can Psychology Inform the Design of Learning Experiences? - Milos Kravcik; Ralf Klamma; Zinayida Petrushyna (ICALT, 2011)

Identification of Learning Goals in Forum-based Communities. - Julian Krenge; Zinayida Petrushyna; Milos Kravcik; Ralf Klamma (ICALT, 2011)

Learning Analytics for Communities of Lifelong Learners: A Forum Case. - Zinayida Petrushyna; Milos Kravcik; Ralf Klamma (ICALT, 2011)

Learn-as-you-go: New Ways of Cloud-Based Micro-learning for the Mobile Web. - Dejan Kovachev; Yiwei Cao; Ralf Klamma; Matthias Jarke (ICWL, 2011)

ICT-Based School Collaboration, Teachers' Networks and their Opportunities for Teachers' Professional Development - A Case Study on eTwinning. - Riina Vuorikari; Adriana J. Berlanga; Romina Cachia; Yiwei Cao; Sibren Fetter; Anne Gilleran; Ralf Klamma; Yves Punie; Santi Scimeca; Peter B. Sloep; Zinayida Petrushyna (ICWL, 2011)

Mobile Multimedia Cloud Computing and the Web. - Dejan Kovachev; Yiwei Cao; Ralf Klamma (MMWeb@I-KNOW, 2011)

Trust-Aware Media Quality Profiles in Fake Multimedia Detection. - Khaled Ahmed Nagi Rashed; Dominik Renzel; Ralf Klamma (MMWeb@I-KNOW, 2011)

Causal vs. Effectual Behavior - Support for Entrepreneurs. - Jan Schlueter; Dominik Schmitz; Malte Brettel; Matthias Jarke; Ralf Klamma (iStar, 2011)

Mobile Cloud Computing: A Comparison of Application Models - Dejan Kovachev; Yiwei Cao; Ralf Klamma (CoRR, 2011)

Non-linear Digital Storytelling for the Battleship "G. Averof". - Ralf Klamma; Yiwei Cao (ERCIM News, 2011)

Der Bazar der Anforderungen - Open Innovation in emergenten Communities. - Ralf Klamma; Matthias Jarke; Anna Hannemann; Dominik Renzel (Inform. Spektrum, 2011)

The Hero's Journey - Template-Based Storytelling for Ubiquitous Multimedia Management. - Yiwei Cao; Ralf Klamma; Matthias Jarke (J. Multim., 2011)

Early Results of Experiments with Responsive Open Learning Environments. - Martin Friedrich; Martin Wolpers; Ruimin Shen; Carsten Ullrich; Ralf Klamma; Dominik Renzel; Anja Richert; Bodo von der Heiden (J. Univers. Comput. Sci., 2011)

A Clustering Approach for Collaborative Filtering Recommendation Using Social Network Analysis. - Manh Cuong Pham; Yiwei Cao; Ralf Klamma; Matthias Jarke (J. Univers. Comput. Sci., 2011)

Development of computer science disciplines: a social network analysis approach. - Manh Cuong Pham; Ralf Klamma; Matthias Jarke (Soc. Netw. Anal. Min., 2011)

Advances in ubiquitous media technologies and applications. - Rynson W. H. Lau; Ralf Klamma; Shu-Ching Chen; Benjamin W. Wah (World Wide Web, 2011)

Enhancing Academic Event Participation with Context-aware and Social Recommendations. - Manh Cuong Pham; Dejan Kovachev; Yiwei Cao; Ghislain Manib Mbogos; Ralf Klamma (ASONAM, 2012)

A real-time collaboration-enabled Mobile Augmented Reality system with semantic multimedia. - Dejan Kovachev; Goekhan Aksakali; Ralf Klamma (CollaborateCom, 2012)

Robust expert ranking in online communities - fighting Sybil Attacks. - Khaled Ahmed Nagi Rashed; Cristina Balasoiu; Ralf Klamma (CollaborateCom, 2012)

The European TEL Projects Community from a Social Network Analysis Perspective. - Michael Derntl; Ralf Klamma (EC-TEL, 2012)

The Social Requirements Engineering (SRE) Approach to Developing a Large-Scale Personal Learning Environment Infrastructure. - Effie Lai-Chong Law; Arunangsu Chatterjee; Dominik Renzel; Ralf Klamma (EC-TEL, 2012)

Social Network Analysis of European Project Consortia to Reveal Impact of Technology-Enhanced Learning Projects. - Michael Derntl; Ralf Klamma (ICALT, 2012)

Supporting Self-Regulation by Personal Learning Environments. - Milos Kravcik; Ralf Klamma (ICALT, 2012)

Developing a Mobile Game Environment to Support Disadvantaged Learners. - Birgit Schmitz; Roland Klemke; Marcus Specht; Marvin Hoffmann; Ralf Klamma (ICALT, 2012)

Learning Analytics for Learning Blogospheres. - Manh Cuong Pham; Michael Derntl; Yiwei Cao; Ralf Klamma (ICWL, 2012)

An embeddable dashboard for widget-based visual analytics on scientific communities. - Michael Derntl; Stephan Erdtmann; Ralf Klamma (I-KNOW, 2012)

Adaptive Computation Offloading from Mobile Devices into the Cloud. - Dejan Kovachev; Tian Yu; Ralf Klamma (ISPA, 2012)

Today's Top "RESTful" Services and Why They Are Not RESTful. - Dominik Renzel; Patrick Schlebusch; Ralf Klamma (WISE, 2012)

Development Patterns of Scientific Communities in Technology Enhanced Learning. - Manh Cuong Pham; Michael Derntl; Ralf Klamma (J. Educ. Technol. Soc., 2012)

Soziale Interaktion in Open-Source-Communitys. - Anna Hannemann; Ralf Klamma; Matthias Jarke (HMD Prax. Wirtsch., 2012)

Framework for Computation Offloading in Mobile Cloud Computing. - Dejan Kovachev; Ralf Klamma (Int. J. Interact. Multim. Artif. Intell., 2012)

Reponsive and Open Learning Environments (ROLE): Requirements, Evaluation and Reflection. - Effie Lai-Chong Law; Hans-Christian Schmitz; Martin Wolpers; Ralf Klamma; Marcel Berthold; Dietrich Albert (IxD&A, 2012)

Serious Games for Personal and Social Learning & Ethics: Status and Trends. - Gonçalo Duarte Garcia Pereira; António Brisson; Rui Prada; Ana Paiva 001; Francesco Bellotti; Milos Kravcik; Ralf Klamma (VS-GAMES, 2012)

Evolution of the CAiSE Author Community: A Social Network Analysis. - Matthias Jarke; Manh Cuong Pham; Ralf Klamma (Seminal Contributions to Information Systems Engineering, 2013)

Shared editing on the web: A classification of developer support libraries. - István Koren; Andreas Guth; Ralf Klamma (CollaborateCom, 2013)

Browser-based collaborative modeling in near real-time. - Petru Nicolaescu; Michael Derntl; Ralf Klamma (CollaborateCom, 2013)

SynC-LD: Synchronous Collaborative IMS Learning Design Authoring on the Web. - Michael Derntl; Petru Nicolaescu; Bezunesh Terkik; Ralf Klamma (EC-TEL, 2013)

DireWolf - Distributing and Migrating User Interfaces for Widget-Based Web Applications. - Dejan Kovachev; Dominik Renzel; Petru Nicolaescu; Ralf Klamma (ICWE, 2013)

Community Learning Analytics - Challenges and Opportunities. - Ralf Klamma (ICWL, 2013)

A Dynamic Topic Model of Learning Analytics Research. - Michael Derntl; Nikou Günnemann; Ralf Klamma (LAK (Data Challenge), 2013)

From micro to macro: analyzing activity in the ROLE Sandbox. - Dominik Renzel; Ralf Klamma (LAK, 2013)

Community Dynamics in Open Source Software Projects: Aging and Social Reshaping. - Anna Hannemann; Ralf Klamma (OSS, 2013)

Requirements Bazaar: Social requirements engineering for community-driven innovation. - Dominik Renzel; Malte Behrendt; Ralf Klamma; Matthias Jarke (RE, 2013)

An Adaptive Filter-Framework for the Quality Improvement of Open-Source Software Analysis. - Anna Hannemann; Michael Hackstein; Ralf Klamma; Matthias Jarke (Software Engineering, 2013)

Cloud Services for Improved User Experience in Sharing Mobile Videos. - Dejan Kovachev; Yiwei Cao; Ralf Klamma (SOSE, 2013)

An Interactive System for Visual Analytics of Dynamic Topic Models. - Nikou Günnemann; Michael Derntl; Ralf Klamma; Matthias Jarke (Datenbank-Spektrum, 2013)

Supporting Practices in Professional Communities Using Mobile Cloud Services. - Dejan Kovachev; Ralf Klamma (Cloud Computing and Digital Media, 2014)

SeViAnno 2.0: Web-enabled collaborative semantic video annotation beyond the obvious. - Petru Nicolaescu; Ralf Klamma (CBMI, 2014)

Building and Exploring Dynamic Topic Models on the Web. - Michael Derntl; Nikou Günnemann; Alexander Tillmann; Ralf Klamma; Matthias Jarke (CIKM, 2014)

Self-Regulated Learning Nudges. - Milos Kravcik; Ralf Klamma (DMRS, 2014)

Blueprint for Software Engineering in Technology Enhanced Learning Projects. - Michael Derntl; István Koren; Petru Nicolaescu; Dominik Renzel; Ralf Klamma (EC-TEL, 2014)

Boosting informal workplace learning in small enterprises. - Milos Kravcik; Kateryna Neulinger; Ralf Klamma (ARTEL@EC-TEL, 2014)

A Community Information System for Ubiquitous Informal Learning Support. - Petru Nicolaescu; Dominik Renzel; István Koren; Ralf Klamma; Jukka Purma; Merja Bauters (ICALT, 2014)

DireWolf Goes Pack Hunting: A Peer-to-Peer Approach for Secure Low Latency Widget Distribution Using WebRTC. - István Koren; Jens Bavendiek; Ralf Klamma (ICWE, 2014)

CAELUS: Cloud Architecture for Enabling Mobile Multimedia Services. - Dejan Kovachev; Ralf Klamma; Matthias Jarke (Informatiktage, 2014)

i*-REST: Light-Weight i* Modeling with RESTful Web Services. - Zinayida Petrushyna; Alexander Ruppert; Ralf Klamma; Dominik Renzel; Matthias Jarke (iStar, 2014)

Echtzeitmetamodellierung im Web-Browser. - Michael Derntl; Stephan Erdtmann; Petru Nicolaescu; Ralf Klamma; Matthias Jarke (Modellierung, 2014)

Navigation Support in Evolving Open-Source Communities by a Web-Based Dashboard. - Anna Hannemann; Kristjan Liiva; Ralf Klamma (OSS, 2014)

Supporting Workplace Learning in Small Enterprises by Personal Learning Environments. - Milos Kravcik; Kateryna Neulinger; Ralf Klamma (UMAP Workshops, 2014)

Informal Learning at the Workplace via Adaptive Video. - Milos Kravcik; Petru Nicolaescu; Ralf Klamma (UMAP Workshops, 2014)

A Framework for Facilitating Self-Regulation in Responsive Open Learning Environments. - Alexander Nussbaumer; Milos Kravcik; Dominik Renzel; Ralf Klamma; Marcel Berthold; Dietrich Albert (CoRR, 2014)

The Impact of Culture On Smart Community Technology: The Case of 13 Wikipedia Instances. - Zinayida Petrushyna; Ralf Klamma; Matthias Jarke (IxD&A, 2014)

DireWolf Framework for Widget-based Distributed User Interfaces. - Dejan Kovachev; Dominik Renzel; Petru Nicolaescu; István Koren; Ralf Klamma (J. Web Eng., 2014)

Mobile Real-Time Collaboration for Semantic Multimedia - A Case Study with Mobile Augmented Reality Systems. - Dejan Kovachev; Petru Nicolaescu; Ralf Klamma (Mob. Networks Appl., 2014)

Building mobile multimedia services: a hybrid cloud computing approach. - Dejan Kovachev; Yiwei Cao; Ralf Klamma (Multim. Tools Appl., 2014)

Community and trust-aware fake media detection. - Khaled Ahmed Nagi Rashed; Dominik Renzel; Ralf Klamma; Matthias Jarke (Multim. Tools Appl., 2014)

Multimedia on the web - editorial. - Florian Stegmaier; Harald Kosch; Ralf Klamma; Mathias Lux; Ernesto Damiani (Multim. Tools Appl., 2014)

Signed Social Networks: Link Prediction and Overlapping Community Detection. - Mohsen Shahriari; Ralf Klamma (ASONAM, 2015)

IS Success Awareness in Community-Oriented Design Science Research. - Dominik Renzel; Ralf Klamma; Matthias Jarke (DESRIST, 2015)

Learning Analytics: Trends and Issues of the Empirical Research of the Years 2011-2014. - Nicolae Nistor; Michael Derntl; Ralf Klamma (EC-TEL, 2015)

On Modeling Learning Communities. - Zinayida Petrushyna; Ralf Klamma; Milos Kravcik (EC-TEL, 2015)

Near Real-Time Collaborative Conceptual Modeling on the Web. - Michael Derntl; Petru Nicolaescu; Stephan Erdtmann; Ralf Klamma; Matthias Jarke (ER, 2015)

Development of Mobile Serious Game for Self-assessment as Base for a Game-Editor for Teachers. - Andreas Herrler; Simon Grubert; Marko Kajzer; Sadie Behrens; Ralf Klamma (GALA, 2015)

Distributed Software Engineering in Collaborative Research Projects. - Michael Derntl; Dominik Renzel; Petru Nicolaescu; István Koren; Ralf Klamma (ICGSE, 2015)

Collaborative Drawing Annotations on Web Videos. - István Koren; Petru Nicolaescu; Ralf Klamma (ICWE, 2015)

Yjs: A Framework for Near Real-Time P2P Shared Editing on Arbitrary Data Types. - Petru Nicolaescu; Kevin Jahns; Michael Derntl; Ralf Klamma (ICWE, 2015)

A Methodology and Tool Support for Widget-Based Web Application Development. - Petru Nicolaescu; Ralf Klamma (ICWE, 2015)

A Microservice Approach for Near Real-Time Collaborative 3D Objects Annotation on the Web. - Petru Nicolaescu; Georgios Toubekis; Ralf Klamma (ICWL, 2015)

Tracing Self-Regulated Learning in Responsive Open Learning Environments. - Dominik Renzel; Ralf Klamma; Milos Kravcik; Alexander Nussbaumer (ICWL, 2015)

WebOCD: a RESTful web-based overlapping community detection framework. - Mohsen Shahriari; Sebastian Krott; Ralf Klamma (I-KNOW, 2015)

Community-aware ranking algorithms for expert identification in question-answer forums. - Mohsen Shahriari; Sathvik Parekodi; Ralf Klamma (I-KNOW, 2015)

Smart Ambient Learning with Physical Artifacts Using Wearable Technologies. - István Koren; Ralf Klamma (Intelligent Environments (Workshops), 2015)

Requirements Bazaar: Experiences, Added-Value and Acceptance of Requirements Negotiation between End-Users and Open Source Software Developers. - Dominik Renzel; Ralf Klamma; Matthias Jarke (Software Engineering & Management, 2015)

Disassortative Degree Mixing and Information Diffusion for Overlapping Community Detection in Social Networks (DMID). - Mohsen Shahriari; Sebastian Krott; Ralf Klamma (WWW (Companion Volume), 2015)

Near-Real-Time Social Computing. - Ralf Klamma (Computer, 2015)

A Longitudinal Study of Community-Oriented Open Source Software Development. - Kateryna Neulinger; Anna Hannemann; Ralf Klamma; Matthias Jarke (CAiSE, 2016)

View-Based Near Real-Time Collaborative Modeling for Information Systems Engineering. - Petru Nicolaescu; Mario Rosenstengel; Michael Derntl; Ralf Klamma; Matthias Jarke (CAiSE, 2016)

Boosting Vocational Education and Training in Small Enterprises. - Milos Kravcik; Kateryna Neulinger; Ralf Klamma (EC-TEL, 2016)

DevOpsUse for Rapid Training of Agile Practices Within Undergraduate and Startup Communities. - Peter de Lange; Petru Nicolaescu; Ralf Klamma; István Koren (EC-TEL, 2016)

Near Real-Time Peer-to-Peer Shared Editing on Extensible Data Types. - Petru Nicolaescu; Kevin Jahns; Michael Derntl; Ralf Klamma (GROUP, 2016)

The Direwolf Inside You: End User Development for Heterogeneous Web of Things Appliances. - István Koren; Ralf Klamma (ICWE, 2016)

Using Personal Learning Environments to Support Workplace Learning in Small Companies. - Milos Kravcik; Kateryna Neulinger; Ralf Klamma (ICWL, 2016)

Adaptive Video Techniques for Informal Learning Support in Workplace Environments. - Milos Kravcik; Petru Nicolaescu; Aarij Siddiqui; Ralf Klamma (SETE@ICWL, 2016)

Data Analysis of Workplace Learning with BOOST. - Milos Kravcik; Kateryna Neulinger; Ralf Klamma (CrossLAK, 2016)

Learning analytics for workplace and professional learning. - Tobias Ley; Ralf Klamma; Stefanie N. Lindstaedt; Fridolin Wild (LAK, 2016)

Community Application Editor: Collaborative Near Real-Time Modeling and Composition of Microservice-based Web Applications. - Peter de Lange; Petru Nicolaescu; Michael Derntl; Matthias Jarke; Ralf Klamma (Modellierung (Workshops), 2016)

Predictive Analysis of Temporal and Overlapping Community Structures in Social Media. - Mohsen Shahriari; Stephen Gunashekar; Marven von Domarus; Ralf Klamma (WWW (Companion Volume), 2016)

Smart Ambient Learning with Physical Artifacts UsingWearable Technologies. - István Koren; Ralf Klamma (EAI Endorsed Trans. Future Intell. Educ. Environ., 2016)

In Memoriam: Martin Wolpers, PhD 1969-2016. - Stefaan Ternier; Maren Scheffel; Ralf Klamma; Katherine Maillet; Wolfgang Nejdl; Martin Wolpers (IEEE Trans. Learn. Technol., 2016)

Socio-technical Challenges in the Digital Gap between Building Information Modeling and Industry 4.0. - Peter de Lange; Boris Bähre; Christiane Finetti-Imhof; Ralf Klamma; Andreas Koch 009; Leif Oppermann (STPIS@CAiSE, 2017)

Engineering Web Applications Using Real-Time Collaborative Modeling. - Peter de Lange; Petru Nicolaescu; Ralf Klamma; Matthias Jarke (CRIWG, 2017)

Einführung in das wissenschaftliche Arbeiten und Publizieren mittels Blended Learning in der informatischen Fachdidaktik. - Peter de Lange; Mohsen Shahriari; Ralf Klamma (DeLFI, 2017)

Transferring a Question-Based Dialog Framework to a Distributed Architecture. - Peter de Lange; Tracie Farrell Frey; Bernhard Göschlberger; Ralf Klamma (EC-TEL, 2017)

VIRTUS Virtual VET Centre (V3C): A Learning Platform for Virtual Vocational Education and Training. - Peter de Lange; Petru Nicolaescu; Ralf Klamma (EC-TEL, 2017)

Preparing Research Projects for Sustainable Software Engineering in Society. - Dominik Renzel; István Koren; Ralf Klamma; Matthias Jarke (ICSE-SEIS, 2017)

Gamification of Web-Based Learning Services. - Ralf Klamma; Muhammad Abduh Arifin (ICWL, 2017)

Community Learning Analytics Support for Audio-Visual Web-Based Learning Contents: The CIDRE Framework. - Ralf Klamma; Marc Spaniol (ICWL, 2017)

Community Learning Analytics with Industry 4.0 and Wearable Sensor Data. - István Koren; Ralf Klamma (iLRN, 2017)

TCNSVD: A Temporal and Community-Aware Recommender Approach. - Mohsen Shahriari; Martin Barth; Ralf Klamma; Christoph Trattner (RecTemp@RecSys, 2017)

Using Content to Identify Overlapping Communities in Question Answer Forums. - Mohsen Shahriari; Sabrina Haefele; Ralf Klamma (J. Univers. Comput. Sci., 2017)

The Significant Effect of Overlapping Community Structures in Signed Social Networks. - Mohsen Shahriari; Ying Li; Ralf Klamma (Prediction and Inference from Social Networks and Social Media, 2017)

Augmented Reality Lernkontexte - Eine Europäische Perspektive(Augmented Reality Learning Contexts - An European Perspective). - István Koren; Benedikt Hensen; Ralf Klamma (DeLFI Workshops, 2018)

A Microservice Infrastructure for Distributed Communities of Practice. - Peter de Lange; Bernhard Göschlberger; Tracie Farrell Frey; Ralf Klamma (EC-TEL, 2018)

Peer-to-Peer Video Streaming in HTML5 with WebTorrent. - István Koren; Ralf Klamma (ICWE, 2018)

Generation of Web Frontends from API Documentation with Direwolf Interaction Flow Designer. - István Koren; Ralf Klamma (ICWE, 2018)

An Augmented Reality Framework for Gamified Learning. - Benedikt Hensen; István Koren; Ralf Klamma; Andreas Herrler (ICWL, 2018)

Collaborative Non-linear Storytelling Around 3D Objects. - Peter de Lange; Petru Nicolaescu; Jan Benscheid; Ralf Klamma (ICWL, 2018)

Co-Design of Gamified Mixed Reality Applications. - István Koren; Benedikt Hensen; Ralf Klamma (ISMAR Adjunct, 2018)

Enhancing MDWE with Collaborative Live Coding. - Peter de Lange; Petru Nicolaescu; Thomas Winkler; Ralf Klamma (Modellierung, 2018)

The Exploitation of OpenAPI Documentation for the Generation of Web Frontends. - István Koren; Ralf Klamma (WWW (Companion Volume), 2018)

Enabling visual community learning analytics with Internet of Things devices. - István Koren; Ralf Klamma (Comput. Hum. Behav., 2018)

A Scalable Architecture for Real-Time Stream Processing of Spatiotemporal IoT Stream Data - Performance Analysis on the Example of Map Matching. - Marius Laska; Stefan Herlé; Ralf Klamma; Jörg Blankenbach (ISPRS Int. J. Geo Inf., 2018)

An Integrated Learning Analytics Approach for Virtual Vocational Training Centers. - Peter de Lange; Alexander Tobias Neumann; Petru Nicolaescu; Ralf Klamma (Int. J. Interact. Multim. Artif. Intell., 2018)

Near real-time collaborative modeling for view-based Web information systems engineering. - Petru Nicolaescu; Mario Rosenstengel; Michael Derntl; Ralf Klamma; Matthias Jarke (Inf. Syst., 2018)

Preface. - Mario Aehnelt; Ralf Klamma; Viktoria Pammer-Schindler (IxD&A, 2018)

Collaborative Creation and Training of Social Bots in Learning Communities. - Alexander Tobias Neumann; Peter de Lange; Ralf Klamma (CIC, 2019)

Immersive Community Analytics for Wearable Enhanced Learning. - Ralf Klamma; Rizwan Ali; István Koren (HCI (26), 2019)

Decentralized Service Registry and Discovery in P2P Networks Using Blockchain Technology. - Peter de Lange; Tom Janson; Ralf Klamma (ICWE, 2019)

Using Topical Networks to Detect Editor Communities in Wikipedias. - Michael Kretschmer; Bernhard Göschlberger; Ralf Klamma (SNAMS, 2019)

Collaborative Wireframing for Model-Driven Web Engineering. - Peter de Lange; Petru Nicolaescu; Mario Rosenstengel; Ralf Klamma (WISE, 2019)

Investigating Cooperativity of Overlapping Community Structures in Social Networks. - Mohsen Shahriari; Ralf Klamma; Matthias Jarke (CoRR, 2019)

Ranking and Cooperation in Real-World Complex Networks. - Mohsen Shahriari; Ralf Klamma; Matthias Jarke (CoRR, 2019)

Infrastructuring for Crowdsourced Co-Design. - Delcy Carolina Bonilla Oliva; István Koren; Ralf Klamma (IxD&A, 2019)

Gamification Support for Learning in Spatial Computing Environments. - Benedikt Hensen; István Koren; Ralf Klamma (J. Univers. Comput. Sci., 2019)

Advances in Web-Based Learning. - Ralf Klamma; Marc Spaniol; Sayan Unankard (J. Univers. Comput. Sci., 2019)

Integrating 3D Objects in Collaborative Non-Linear Storytelling on the Web. - Peter de Lange; Petru Nicolaescu; Jan Benscheid; Ralf Klamma (J. Univers. Comput. Sci., 2019)

OakStreaming: A Peer-to-PeerVideo Streaming Library. - István Koren; Ralf Klamma (J. Web Eng., 2019)

Enhancing theWeb WithAdvanced Engineering. - Juan Carlos Preciado; Juan Hernández 001; Tommi Mikkonen; Ralf Klamma (J. Web Eng., 2019)

Educational Escape Games for Mixed Reality. - Ralf Klamma; Daniel Sous; Benedikt Hensen; István Koren (EC-TEL, 2020)

Comparing Authoring Workflows and Learning Paths in Web & Mixed Reality Environments. - Benedikt Hensen; Ralf Klamma (ICALT, 2020)

Intelligent Mentoring Bots in Learning Management Systems - Concepts, Realizations and Evaluations. - Alexander Tobias Neumann; Peter de Lange; Ralf Klamma; Norbert Pengel; Tamar Arndt (ICWL/SETE, 2020)

Developing a Model Augmented Reality Curriculum. - Mikhail Fominykh; Fridolin Wild; Ralf Klamma; Mark Billinghurst; Lisandra S. Costiner; Andrey Karsakov; Eleni E. Mangina; Judith Molka-Danielsen; Ian Pollock; Marius Preda; Aljosa Smolic (ITiCSE, 2020)

Model Augmented Reality Curriculum. - Mikhail Fominykh; Fridolin Wild; Ralf Klamma; Mark Billinghurst; Lisandra S. Costiner; Andrey Karsakov; Eleni E. Mangina; Judith Molka-Danielsen; Ian Pollock; Marius Preda; Aljosa Smolic (ITiCSE-WGR, 2020)

Scaling Mentoring Support with Distributed Artificial Intelligence. - Ralf Klamma; Peter de Lange; Alexander Tobias Neumann; Benedikt Hensen; Milos Kravcik; Xia Wang 003; Jakub Kuzilek (ITS, 2020)

Direwolf Model Academy: An Extensible Collaborative Modeling Framework on the Web. - István Koren; Ralf Klamma; Matthias Jarke (Modellierung (Companion), 2020)

IEEE Standard for Augmented Reality Learning Experience Models. - Fridolin Wild; Christine Perey; Benedikt Hensen; Ralf Klamma (TALE, 2020)

Incentivizing Contribution in DecentralizedCommunity Information Systems. - Peter de Lange; Michal Slupczynski; Ralf Klamma (WWW (Companion Volume), 2020)

A Link Generator for Increasing the Utility of OpenAPI-to-GraphQL Translations. - Dominik Adam Kus; István Koren; Ralf Klamma (CoRR, 2020)

Integrating Web-Based Collaborative Live Editing and Wireframing into a Model-Driven Web Engineering Process. - Peter de Lange; Petru Nicolaescu; Alexander Tobias Neumann; Ralf Klamma (Data Sci. Eng., 2020)

Mixed Reality and Wearables in Industrial Training. - Ralf Klamma; István Koren; Matthias Jarke (ERCIM News, 2020)

Adaptive Indoor Area Localization for Perpetual Crowdsourced Data Collection. - Marius Laska; Jörg Blankenbach; Ralf Klamma (Sensors, 2020)

Decentralized Learning Infrastructures for Community Knowledge Building. - Peter de Lange; Bernhard Göschlberger; Tracie Farrell; Alexander Tobias Neumann; Ralf Klamma (IEEE Trans. Learn. Technol., 2020)

VIAProMa: An Agile Project Management Framework for Mixed Reality. - Benedikt Hensen; Ralf Klamma (AVR, 2021)

MILKI-PSY Cloud: Facilitating multimodal learning analytics by explainable AI and blockchain. - Michal Slupczynski; Ralf Klamma (MILeS@EC-TEL, 2021)

ImPres: An Immersive 3D Presentation Framework for Mixed Reality Enhanced Learning. - Benedikt Hensen; Lukas Liß; Ralf Klamma (ICWL, 2021)

Supplemental Mobile Learner Support Through Moodle-Independent Assessment Bots. - Alexander Tobias Neumann; Aaron David Conrardy; Ralf Klamma (ICWL, 2021)

Chatbots as a Tool to Scale Mentoring Processes: Individually Supporting Self-Study in Higher Education. - Alexander Tobias Neumann; Tamar Arndt; Laura Köbis; Roy Meissner; Anne Martin; Peter de Lange; Norbert Pengel; Ralf Klamma; Heinz-Werner Wollersheim (Frontiers Artif. Intell., 2021)

Privacy and Security in Mixed Reality Learning Environments by Input and User/Bot Interaction Protection. - Lan Anh Tran; Benedikt Hensen; Ralf Klamma; Soamsiri Chantaraskul (APIT, 2022)

Mixed Reality Agents for Automated Mentoring Processes. - Benedikt Hensen; Danylo Bekhter; Dascha Blehm; Sebastian Meinberger; Ralf Klamma (XR (2), 2022)

Collaborative Community Knowledge Building with Personalized Question Recommendations. - Alexander Tobias Neumann; Simon Breuer; Ralf Klamma (CollabTech, 2022)

IMPECT-Sports: Using an Immersive Learning System to Facilitate the Psychomotor Skills Acquisition Process. - Khaleel Asyraaf Mat Sanusi; Michal Slupczynski; Mai Geisen; Deniz Iren; Ralf Klamma; Stefanie Klatt; Roland Klemke (MILeS@EC-TEL, 2022)

MILKI-PSY Cloud: MLOps-based Multimodal Sensor Stream Processing Pipeline for Learning Analytics in Psychomotor Education. - Michal Slupczynski; Ralf Klamma (MILeS@EC-TEL, 2022)

3D Skill Trees in Mixed Reality for Creating and Visualizing Learning Plans. - Benedikt Hensen; Ralf Klamma (ICALT, 2022)

A Mixed Reality Teaching Course for Formal Higher Education. - Benedikt Hensen; Ralf Klamma (iLRN, 2022)

Retrofitting Industrial Machines with WebAssembly on the Edge. - Otoya Nakakaze; István Koren; Florian Brillowski; Ralf Klamma (WISE, 2022)

Editorial: Intelligence Support for Mentoring Processes in Higher Education (and Beyond). - Ralf Klamma; Milos Kravcik; Viktoria Pammer-Schindler; Elvira Popescu (Frontiers Artif. Intell., 2022)

HAICO: A Monitoring and Transaction Chatbot for Distributed Analytics Workflows. - Alexander Tobias Neumann; Sascha Welten; Julia Kunz; Ralf Klamma; Stefan Decker (ICWS, 2023)

Adaptive retrofitting for industrial machines: utilizing webassembly and peer-to-peer connectivity on the edge. - Otoya Nakakaze; István Koren; Florian Brillowski; Ralf Klamma (World Wide Web (WWW), 2024)