Matrix decomposition methods provide representations of an object-variable data matrix by a product of two different matrices, one describing relationship between objects and hidd...
OMG’s Model-Driven Architecture (MDA) has emerged as a new approach for the development of software. For this, the Query/View/Transformation (QVT) standard plays a central role,...
Angelika Kusel, Wieland Schwinger, Manuel Wimmer, ...
IMS Learning Design (IMS LD) is a powerful and expressive educational modeling language, which is becoming a “de facto” encoding and interchange standard for activity-based co...
When a computer program requires legitimate access to confidential data, the question arises whether such a program may illegally reveal sensitive information. This paper proposes...
The nature of data in enterprises and on the Internet is changing. Data used to be stored in a database first and queried later. Today timely processing of new data, represented ...