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The design of collaboration scripts is a new focus of research within the CSCL community. In order to support the design, communication, analysis, simulation and even execution of collaboration scripts, a general specification language to describe collaboration scripts is needed. In this paper, we analyse the suitability and limitations of IMS LD for(More)
IMS LD is a metalanguage that can be used to specify a pedagogical method as a learning design. A learning design is a formal process model, encoded in XML, which can be played by any IMS LD-aware-player to learners online. In order to make it easy to edit learning designs, LD authoring tools are absolutely needed. Through a review of currently available LD(More)
A common problem of CSCL (Computer-Supported Cooperative Learning) is addressed: How can we coordinate goal-directed, effective interaction in a group of learners? We introduce the concept of learning protocols which originates in script theory. We then discuss which dimensions of cooperative learning can be supported by learning protocols and propose how(More)
Problem based learning promotes engagement in meaningful learning and cooperation among students. When applying PBL in distributed groups distance has to be bridged by means of technology. Collaborative virtual environments (CVE) can help to overcome two crucial problems of PBL, if used in a distributed learning situation: Firstly, learners have problems to(More)
In this paper we describe our approach for supporting the use of the problem-based learning (PBL) method in virtual learning environments. We identify two key difficulties. Firstly, neither learners nor tutors, who are used to more traditional methods of teaching, know exactly what to expect from PBL or how to behave appropriately within their new roles.(More)
The theory of situated learning emphasizes the importance of authentic learning contexts and the central role of social interaction. In the light of this theory and based on our previous experience, we propose an approach for the development of context-based virtual learning environments. These are virtual worlds, which the learners themselves can create(More)
Zusammenfassung: Dieser Beitrag skizziert, wie mit Umgebungen für computerunterstütztes kooperatives Lernen (CSCL) traditionelle Pro-bleme computerunterstützten Lernens überwunden werden können. Es werden Einsatzmöglichkeiten derartiger Lernumgebungen in der Schu-le sowie Anforderungen an die Schule aufgezeigt. Als konkretes Bei-spiel wird die am GMD-IPSI(More)
Learning Design offers the possibility of capturing the process , activities, user organization and resources used in a learning experience. But a wider set of scenarios appear when generic services are considered. Integrating such services in a Unit of Learning is difficult due to the lack of a defined bi-directional protocol for information exchange. In(More)
In this paper, we propose a new technical approach to support new forms of e-assessment. This approach is based on international e-learning standards and a service-oriented approach. Through a combined use of IMS LD and IMS QTI, new forms of assessment can be modelled as a unit of assessment, a specific unit of learning with a set of QTI documents or/and(More)