A powerful and useful approach for modeling knowledge and qualitative reasoning is the Cognitive Map. The background of Cognitive Maps is the research about learning environments c...
The problem of total participation in asynchronous meetings convened with distributed group support systems has been noted frequently but investigated rarely. This paper describes...
This paper demonstrates how activity theoretic concepts can be used in conjunction with an ethnographically informed approach to derive requirements on a work situation. We presen...
Activity theory is based on the concept of tools mediating between subjects and objects. In this theory, an individual's creative interaction with his or her surroundings can ...
Morten Fjeld, Kristina Lauche, Martin Bichsel, Fre...
Abstract— Joint eigenvalue distribution of the noncentral complex Wishart matrix, i.e. HH∗ where H is the nonzero-mean complex Gaussian random channel matrix of a multiple-inpu...