This doctorate thesis is an exploratory study of distributed and computer-mediated collaborative learning. The work lies in the intersection of the research domains: Computer Support for Collaborative Learning (CSCL) and ...

The present work deals with the development of an analysis-model applicable to large scale 3D beam structures of reinforced and prestressed concrete. The model is based on the finite element method and allows for large ...

This thesis presents a formal model of object-oriented concepts; in particular we focus on the concepts found useful by experienced designers of reusable software components. The value of the formal model is shown by ...

This research has been initiated on the basis of practical experiences in developing a relatively large SGML system at the University of Oslo. This thesis contributes to the field of information systems, with a particular ...

The recession curve provides important information about the low flow behaviour of rivers, and tells in a general way about the natural water storages feeding the stream. This work has, however, found a high time variability ...