The act-function-phase model systematically relates the acts of the dialogue at time-of-use to the acts of the dialogue between author and users at time-of-development. We show ho...
Labels effectively convey co-referential relations between textual and visual elements and are a powerful tool to support learning tasks. Therefore, almost all illustrations in sc...
We introduce a framework based on Wirtinger calculus for nonlinear complex-valued signal processing such that all computations can be directly carried out in the complex domain. Th...
We develop a scheme for representing critical non-functional requirements (NFRs), and apply it to the domain of multimedia educational software (MES) to validate it. Our approach ...
The rich dependency structure found in the columns of real-world relational databases can be exploited to great advantage, but can also cause query optimizers--which usually assum...
Ihab F. Ilyas, Volker Markl, Peter J. Haas, Paul B...