No longer can courseware providers deal with one homogeneous target group, one learning form and possibly one pedagogical approach. Instead they must develop a broad range of courseware, each serving its specific target group, each adjusted to a specific learning and teaching form, each appealing to its own learning and teaching scenario, and each…

For a single authoring environment to be sufficiently general to be applicable to contexts across the whole lifespan of learning, some of the benefits that come from knowledge-rich domain specificity have to be sacrificed. Consequently, it is an open question as to whether it is possible to achieve effective learning environments from a generic…

It seems a foregone conclusion that repositories for reusable learning objects (RLOs), based on common standards and supported by suitable search facilities, will foster a global economic market in the production of RLOs. Actual reuse will support producers of high-quality RLOs, and other producers will be unable to compete, i.e. competition…

Many educational sites are static and rarely updated, diminishing the dynamism of the Web. An online learning system should be adjustable, expandable and regularly updated, preferably by educational staff without the direct intervention of computer experts, reflecting the dynamic character of education. To achieve this aim, we propose a system…

The role of conceptual modeling in Educational Adaptive Hypermedia Applications (EAHA) is especially important. A conceptual model of an educational application depicts the instructional solution that is implemented, containing information about concepts that must be ac-quired by learners, tasks in which learners must be involved and resources…