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EUROPKI
2005
Springer
14 years 1 months ago
2005
Springer
Abstract The expansion of inter-organizational scenarios based on different authorization schemes involves the development of integration solutions allowing different authorizatio...
ICALP
2005
Springer
14 years 1 months ago
2005
Springer
In this paper we initiate the study of the AND-OR directed feedback vertex set problem from the viewpoint of approximation algorithms. This AND-OR feedback vertex set problem is m...
EKAW
2004
Springer
14 years 1 months ago
2004
Springer
We present a tool which helps domain experts capture and maintain constraints. The tool displays parts of an ontology (as classes, sub-classes and properties) in the form of a tree...
ICMI
2004
Springer
14 years 1 months ago
2004
Springer
Mobile usage patterns often entail high and fluctuating levels of difficulty as well as dual tasking. One major theme explored in this research is whether a flexible multimodal in...
AOSD
2003
ACM
14 years 1 months ago
2003
ACM
An effective requirements engineering (RE) approach must harmonise the need to achieve separation of concerns with the need to satisfy broadly scoped requirements and constraints....