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Adaptive Authoring of Adaptive Courses on the Semantic Desktop via Malleable Schemas
World Conference on E-Learning in Corporate, Government, Healthcare, and Higher Education(ELEARN)2006:1

Alexandra Cristea, Eindhoven University of Technology, Netherlands; Wolfgang Nejdl, L3S, Germany

Adaptive, personalized courses are an important ingredient for advanced learning environments. Previous research has shown that, as the process of creating such adaptive courses is a tedious one, we should not only provide adaptation catering for...

Who are you working with? Visualizing TEL Research Communities
World Conference on Educational Multimedia, Hypermedia and Telecommunications(EDMEDIA)2010:1

Marco Fisichella, Eelco Herder, Ivana Marenzi & Wolfgang Nejdl, L3S Research Center, Germany

Abstract: Author Co-Citation Analysis (ACA) provides a principled way of analyzing research communities, based on how often authors are cited together in scientific publications. In this paper, we present preliminary results based on ACA to analyze...

European E-Learning: Important Research Issues and Application Scenarios
World Conference on Educational Multimedia, Hypermedia and Telecommunications(EDMEDIA)2004:1

Martin Wolpers & Wolfgang Nejdl, L3S and University of Hannover, Germany

While E-Learning is increasingly influencing university and workplace education in Europe, several critical issues still have to be solved in order to achieve the full potential of technology enhanced learning in many of these learning scenarios....

Instructional Models and Scenarios for an Open Learning Repository - Instructional Design and Metadata
World Conference on E-Learning in Corporate, Government, Healthcare, and Higher Education(ELEARN)2002:1

Christoph Richter, Learning Lab Lower Saxony, Germany; Tobias Kunze, University of Hanover, Germany; Wolfgang Nejdl, Learning Lab Lower Saxony, Germany; Hadhami Dhraief, Tobias Kunze, University of Hanover, Germany; Heidrun Allert, Learning Lab Lower Saxony, Germany

We present and discuss the evolution of a metadata-based course portal, the Open Learning Repository. Different instructional models and learning principles are integrated in order to meet different learning and teaching strategies: different...

Distributed Bayesian Networks for User Modeling
World Conference on E-Learning in Corporate, Government, Healthcare, and Higher Education(ELEARN)2006:1

Roberto Tedesco, Politecnico di Milano - DEI, Italy; Peter Dolog, Aalborg University, Denmark; Wolfgang Nejdl, L3S Research Centre, Hannover, Germany; Heidrun Allert, FH-OO Studienbetriebs GmbH, Austria

The World Wide Web is a popular platform for providing eLearning applications to a wide spectrum of users. However – as users differ in their preferences, background, requirements, and goals – applications should provide personalization mechanisms....

Intelligent Online-Knowledge-Resources for Intentional Learning
World Conference on Educational Multimedia, Hypermedia and Telecommunications(EDMEDIA)2001:1

Wolfgang Nejdl, Hadhami Dhraief & Heidrun Allert, Univ. of Hanover, Germany

This paper presents the instructional design of online knowledge resources. A project that was designed to meet an instructional need rather than to exploit the capabilities of technology. We will present the instructional needs, a solution that...

Learning Objects on the Semantic Web. Explicitly Modelling Instructional Theories and Paradigms
World Conference on E-Learning in Corporate, Government, Healthcare, and Higher Education(ELEARN)2002:1

Christoph Richter, Heidrun Allert & Wolfgang Nejdl, Learning Lab Lower Saxony, Germany

This paper presents a scenario which draws a vision of Learning Services on the Semantic Web. In this context we ask the question of 'What are Learning Objects?' and draft appropriate answers. We describe a datastructure which allows explicitly...

Development of a Virtual Laboratory System for Science Education and the Study of Collaborative Action
World Conference on Educational Multimedia, Hypermedia and Telecommunications(EDMEDIA)2004:1

Gabriele von Voigt, Nils Jensen, Siegfried Raasch, Stephan Olbrich & Wolfgang Nejdl, University of Hanover, Germany; Stefan Seipel, Uppsala University, Sweden

The paper specifies the development of a toolkit to run synthetic science laboratories. The aim was to facilitate collaborative experimenting for problem-based learning in a virtual lab. The goal was to demonstrate virtual experimenting by use of...

How are Learning Objects Used in Learning Processes? Instructional Roles of Learning Objects in LOM
World Conference on Educational Multimedia, Hypermedia and Telecommunications(EDMEDIA)2002:1

Wolfgang Nejdl, Learning Lab Lower Saxony, Germany; Hadhami Dhraief, University of Hanover, Germany; Heidrun Allert, Learning Lab Lower Saxony, Germany

In order to reuse and exchange learning objects we need information about these learning objects. The LOM draft standard defines a set of more than 70 attributes, which specify learning object properties like author, title, subject, and many others, ...

LearnWeb 2.0 - Integrating Social Software for Lifelong Learning
World Conference on Educational Multimedia, Hypermedia and Telecommunications(EDMEDIA)2008:1

Ivana Marenzi, Elena Demidova & Wolfgang Nejdl, L3S Research Center, Germany

Within the TENCompetence project we aim to develop and integrate models and tools into an open source infrastructure for the creation, storage and exchange of learning objects, suitable knowledge resources as well as learning experiences. This paper ...

Social Software for Lifelong Competence Development: Challenges and Infrastructure
International Journal of Emerging Technologies in Learning (iJET)(I-JET)3:2008

Ivana Marenzi, Elena Demidova, Wolfgang Nejdl, Daniel Olmedilla & Sergej Zerr, L3S Research Center

Within the TENCompetence project we aim to develop and integrate models and tools into an open source infrastructure for the creation, storage and exchange of learning objects, suitable knowledge resources as well as learning experiences. This...

Metadata for Adaptive and Distributed Learning Repositories
WebNet World Conference on the WWW and Internet(WEBNETC)2000:1

Wolfgang Nejdl, Universität Hannover

Web-based learning is one of the important applications of the World Wide Web, which makes possible location- and time-independent learning scenarios. Content can also be kept up-to-date, discussions and interactions between instructors and...

Integrating XQuery-Enabled SCORM XML Metadata Repositories into an RDF-Based E-Learning P2P Network
Educational Technology & Society (ISSN-1436-4522) 7:2

Changtao Qu & Wolfgang Nejdl

Edutella is an RDF-based E-Learning P2P network that is aimed to accommodate heterogeneous learning resource metadata repositories in a P2P manner and further facilitate the exchange of metadata between these repositories based on RDF. Whereas...

Reasoning and Ontologies for Personalized E-Learning in the Semantic Web
Educational Technology & Society (ISSN-1436-4522) 7:4

Nicola Henze, Peter Dolog & Wolfgang Nejdl

The challenge of the semantic web is the provision of distributed information with well-defined meaning, understandable for different parties. Particularly, applications should be able to provide individually optimized access to information by...

Combining Ontologies and Peer-to-Peer Technologies for Inter-Organizational Knowledge Management
Learning Organization (ISSN-0969-6474) 12:5

Heiner Stuckenschmidt, Wolf Siberski & Wolfgang Nejdl

Purpose: The purpose of the paper is to review the characteristics of systems that combine P2P technology with explicit ontologies and assess the benefits of these technologies for inter-organizational knowledge management. Design/methodology...

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