The successful and efficient querying of information in electronic information pools is becoming increasingly important in today’s information society. At the same time the quantity of existing information is continually growing. Querying scientific literature and selecting relevant hits are typical examples for this. ...

The Electronic Exercise (TEE) is an experimental adaptive learning system which uses knowledge structures to apply an intelligent tutoring algorithm and especially the representation of its surmise relation via HASSE diagrams to navigate within the learning material, to visualize the learning progress and convey the ...